Re: [EVDL] Juicebox

[corbin dunn via EV]

Hi Paul,
I have a Juice box and a PFC30; it can’t do 30 amps for a long time, and starts 
to overheat. Eventually it fails if I charge at more than 20 amps (I’ve 
returned it two or three times for repair). 
http://www.corbinstreehouse.com/blog/2012/09/plug-bug-pfc-30-charger-failed-again/

Do you have a frame voltage leak? I’m wondering if that is tripping the GFCI, 
and it is back feeding into the Jukebox. I had this problem with my VW and it 
would trip some some public EV charging stations, but not others. I traced it 
to my controller, and put it’s pre-high-voltage check wires on a relay. 

http://www.corbinstreehouse.com/blog/2015/06/plug-bug-killing-chargepoint-charging-stations/
 


Anyways..just some more ideas to try to help.

Corbin


> On Jun 15, 2018, at 1:40 PM, Paul Wallace via EV  wrote:
> 
> Cor, 
> finally, someone with some background with the Juicebox Classic silver case 
> unit. I've got a Juicebox classic 40A on a 50amp outlet which should put out 
> enough power for my PFC40 charger. It works fine with both the 2017 Volt and 
> the 2015 Spark, but they can only manage around 3.3kw. The problem comes when 
> I plug in my S10 with the PFC40. If I turn up the charger power past about 
> 4kw or so, the Juicebox works for a while, 10 to 15 minutes, but then faults 
> with a GFCI error. I managed to find an old build document online for the kit 
> which explains how to monitor the serial stream and also put a volt meter on 
> the GFCI sense pin to the microcontroller and watch the offset voltage. I 
> think that the Juicebox is a factory version as the GFCI transformer has a 
> glob of white RTV fixing the 240VAC input wires in what should be the best 
> position for minimizing the offset voltage. Everything starts out relatively 
> good. The offset voltage is in the 50mv range as I remember. After about 5 
> minutes
> , the offset begins to increase while charging current remains steady. Once 
> the offset voltage gets up to around 200mv, the fault occurs. 
> 
> Is there anything I can do to improve the offset voltage so this doesn't 
> happen? I'd like to be able to use the full power of the Juicebox since the 
> PFC40 will handle it. 
> 
> thanks, 
> Paul Wallace 
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Re: [EVDL] Juicebox, and sealed boxes

[Paul Wallace via EV]

Cor,
thanks for checking into this.  I contacted EMW on the subject last year, but 
found that the JBs from around 2015 are no longer supported and in fact there 
was only one person in support other than the original designer who had any 
history with them.  I did replace the little AC/DC power supply, which they 
still carry in spare parts.  These supplies are running very close to their 
design limits and get very hot, as I’m sure you have noticed.
My ultimate fix, if I can’t get the GFCI problem solved, is to buy another 
OpenEVSE kit without cables and then transfer the 2 cables from the JB to the 
OpenEVSE.  The kits are going for $259 with a no cost upgrade to the color 
display.  Adding the current measurement transformer adds another $24.50, and 
they have a special 20% off sale running this summer.  I’ve got one already and 
it has no issues with the PFC40.  Assembly time is around 1 hour.  It will take 
longer to get the cables out of the JB I think.  I would like both of my 
charging stations to be able to support full 9.6kw charging.  You never know 
when a Tesla might drop by:)

On the subject of sealed boxes, I design tablet computers for industrial 
applications with ratings from IP65 to IP68.  As was noted, absolutely sealing 
a box against water ingress, or dust for that matter, is extremely difficult.  
You would need to seal the box in a dry nitrogen atmosphere or similar to even 
start to approach the problem and then as the temperature changes, the box will 
want to breath, which will cause lots of stresses on the seals.  We approach 
the problem in a different way.  We install a tiny Gore vent in the enclosure 
wall.  This allows the box to breath while maintaining our IP rating.  It also 
gives us the opportunity to test the seals with a small vacuum pump.  Bottom 
line is that we can pass the IP68 test with even the 10” tablet which amounts 
to dropping the tablet into a 2 meter tall column of water for 1/2 hour with no 
ingress.

Paul Wallace
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Re: [EVDL] Juicebox

[Cor van de Water via EV]

Hi Robert,
The ground was the original ground, not affected by the transformer.
In fact, even the Neutral was not affected, only the phase.
I hope this schematic will help:
https://groups.yahoo.com/neo/groups/uselectricar/photos/albums/1584880742/lightbox/1970633556

Cor.

Sent from Mail for Windows 10

From: ROBERT via EV
Sent: Friday, June 15, 2018 9:34 PM
To: Electric Vehicle Discussion List
Cc: ROBERT
Subject: Re: [EVDL] Juicebox

Cor van de Water, after you installed the xfmr, where did you get the ground?



From: EV  on behalf of Cor van de Water via EV 

Sent: Friday, June 15, 2018 5:29 PM
To: Electric Vehicle Discussion List
Cc: Cor van de Water
Subject: Re: [EVDL] Juicebox

Paul,
I will ask around about this.
I had a similar problem (not JuiceBox related) where my US Electricar S10 had 
internal GFCI detection on the incoming AC line.
It usually worked on 110V and it probably also should work on a residential 
240V which is 2 balanced 120V legs, but the place where I wanted to charge at 
240V had only commercial 480V 3-phase available anywhere near the parking lot. 
So, I took one leg of that (277V) which was powering the light in the parking 
lot on a timer, and I attached a step-down transformer which was an industrial 
dry type transformer that used to have 240V primary and about 36V secondary. I 
put the two in series and connected that to the 277V, giving me a 36V step down 
(auto-transformer) to 240V.
Since the transformer only sees the difference between input and output and the 
truck never draws more than approx. 3kW (13A typically) the transformer never 
saw more than ½ kVA.

However, what I discovered was that on this single phase 240V power, the 
truck’s GFCI would always trigger, while on 110v it would only occasionally 
pop. So, I disabled the built-in GFCI. Why can toasters and RVs be plugged in 
without GFCI and our super-protected EVs struggle with hair-trigger GFCI that 
disables charging at inconvenient times?
Anyway, while disabling the GFCI may not be your preferred solution and I will 
try to find out what can be done – it would be my own preferred solution…
BTW, I did charge Lawrence’s 2016 Leaf with 30kWh battery on my JuiceBox 
without trouble. I had forgotten to adjust the pilot, so it pulled full power 
(32A = 7.7kW) for over an hour on my NEMA 14-30 circuit – indeed slightly 
overloading the 10 gauge wiring, but it survived. As far as I know, the GFCI is 
original in my JuiceBox.
Cor.

Sent from Mail for Windows 10

From: Paul Wallace via EV
Sent: Friday, June 15, 2018 1:40 PM
To: ev@lists.evdl.org
Cc: Paul Wallace
Subject: Re: [EVDL] Juicebox

Cor,
finally, someone with some background with the Juicebox Classic silver case 
unit. I've got a Juicebox classic 40A on a 50amp outlet which should put out 
enough power for my PFC40 charger. It works fine with both the 2017 Volt and 
the 2015 Spark, but they can only manage around 3.3kw. The problem comes when I 
plug in my S10 with the PFC40. If I turn up the charger power past about 4kw or 
so, the Juicebox works for a while, 10 to 15 minutes, but then faults with a 
GFCI error. I managed to find an old build document online for the kit which 
explains how to monitor the serial stream and also put a volt meter on the GFCI 
sense pin to the microcontroller and watch the offset voltage. I think that the 
Juicebox is a factory version as the GFCI transformer has a glob of white RTV 
fixing the 240VAC input wires in what should be the best position for 
minimizing the offset voltage. Everything starts out relatively good. The 
offset voltage is in the 50mv range as I remember. After about 5 minutes
 , the offset begins to increase while charging current remains steady. Once 
the offset voltage gets up to around 200mv, the fault occurs.

Is there anything I can do to improve the offset voltage so this doesn't 
happen? I'd like to be able to use the full power of the Juicebox since the 
PFC40 will handle it.

thanks,
Paul Wallace
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Re: [EVDL] Juicebox

[Willie via EV]

On 06/15/2018 09:13 PM, Cor van de Water via EV wrote:

Hi Willie,
We are now a daughter company (still independent in many areas) of the energy 
company Enel.

When I got my kit for the silver enclosure JuiceBox from Kickstarter, I noticed 
that it was difficult to properly tighten the nuts with the special washers 
with gasket, in order to weatherproof the enclosure, so I suspect that the 
majority of self-built kits would not be properly weather proofed. And even if 
the enclosure is properly weather-proofed, there are still several ways that 
moisture can get in there, even through condensation out of the air – I have 
seen water-logged enclosures that had the most sophisticated weather proofing, 
but simply the fact that moist air could get in there and collecting 
condensation could not get out, meant that over time the circuit inside failed. 
This happens all over the telecom industry where you find outdoor installed 
enclosures for electronics – I have seen many good and bad cases in the many 
years I worked for a wireless company. It is a tricky field.


All my JBs were bought assembled.  I wonder how many, if any, JBs out 
there have survived in un-protected locations?


Once, I removed cables to facilitate shipping back for repair and did 
notice the tight and difficult clearances and later decided to ship 
other repair jobs with cables.


I did get the impression that the JBs were intended to be sealed and not 
allow entrance (or exit) of water.



Sometimes the simplest solutions are the best – I had great luck with an 
enclosure that had almost no water proofing, but was essentially just a tube 
closed at the top (cast in one piece of plastic) with the bottom wide open. The 
actual board was mounted on a plastic carrier to slide into the tube and had a 
bottom cover that was inserted into and went up 2 inches inside the tube. It 
had several holes for power and Ethernet and the locking tabs, so it would 
always drain out if ever water collected inside. It never did. I believe the 
biggest issue was bugs could collect inside and affect the operation of the 
(also integrated) antenna, but other than that it just had some spray-on 
conformal coating and that was it. Never had so few issues related to water 
intrusion. So, all my later designed enclosures actually had two drain holes in 
opposite corners.

The “JuicePlug” J1772 WiFi adaptor apparently had serious setbacks. I think it 
did not receive the attention it deserved, but it is not dead.


Thanks for the info.  I have not heard from EMW for a long while and do 
not remember what they last said.


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Re: [EVDL] Juicebox

[ROBERT via EV]

Cor van de Water, after you installed the xfmr, where did you get the ground?



From: EV  on behalf of Cor van de Water via EV 

Sent: Friday, June 15, 2018 5:29 PM
To: Electric Vehicle Discussion List
Cc: Cor van de Water
Subject: Re: [EVDL] Juicebox

Paul,
I will ask around about this.
I had a similar problem (not JuiceBox related) where my US Electricar S10 had 
internal GFCI detection on the incoming AC line.
It usually worked on 110V and it probably also should work on a residential 
240V which is 2 balanced 120V legs, but the place where I wanted to charge at 
240V had only commercial 480V 3-phase available anywhere near the parking lot. 
So, I took one leg of that (277V) which was powering the light in the parking 
lot on a timer, and I attached a step-down transformer which was an industrial 
dry type transformer that used to have 240V primary and about 36V secondary. I 
put the two in series and connected that to the 277V, giving me a 36V step down 
(auto-transformer) to 240V.
Since the transformer only sees the difference between input and output and the 
truck never draws more than approx. 3kW (13A typically) the transformer never 
saw more than ½ kVA.

However, what I discovered was that on this single phase 240V power, the 
truck’s GFCI would always trigger, while on 110v it would only occasionally 
pop. So, I disabled the built-in GFCI. Why can toasters and RVs be plugged in 
without GFCI and our super-protected EVs struggle with hair-trigger GFCI that 
disables charging at inconvenient times?
Anyway, while disabling the GFCI may not be your preferred solution and I will 
try to find out what can be done – it would be my own preferred solution…
BTW, I did charge Lawrence’s 2016 Leaf with 30kWh battery on my JuiceBox 
without trouble. I had forgotten to adjust the pilot, so it pulled full power 
(32A = 7.7kW) for over an hour on my NEMA 14-30 circuit – indeed slightly 
overloading the 10 gauge wiring, but it survived. As far as I know, the GFCI is 
original in my JuiceBox.
Cor.

Sent from Mail for Windows 10

From: Paul Wallace via EV
Sent: Friday, June 15, 2018 1:40 PM
To: ev@lists.evdl.org
Cc: Paul Wallace
Subject: Re: [EVDL] Juicebox

Cor,
finally, someone with some background with the Juicebox Classic silver case 
unit. I've got a Juicebox classic 40A on a 50amp outlet which should put out 
enough power for my PFC40 charger. It works fine with both the 2017 Volt and 
the 2015 Spark, but they can only manage around 3.3kw. The problem comes when I 
plug in my S10 with the PFC40. If I turn up the charger power past about 4kw or 
so, the Juicebox works for a while, 10 to 15 minutes, but then faults with a 
GFCI error. I managed to find an old build document online for the kit which 
explains how to monitor the serial stream and also put a volt meter on the GFCI 
sense pin to the microcontroller and watch the offset voltage. I think that the 
Juicebox is a factory version as the GFCI transformer has a glob of white RTV 
fixing the 240VAC input wires in what should be the best position for 
minimizing the offset voltage. Everything starts out relatively good. The 
offset voltage is in the 50mv range as I remember. After about 5 minutes
 , the offset begins to increase while charging current remains steady. Once 
the offset voltage gets up to around 200mv, the fault occurs.

Is there anything I can do to improve the offset voltage so this doesn't 
happen? I'd like to be able to use the full power of the Juicebox since the 
PFC40 will handle it.

thanks,
Paul Wallace
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Re: [EVDL] Juicebox

[Cor van de Water via EV]

Hi Willie,
We are now a daughter company (still independent in many areas) of the energy 
company Enel.

When I got my kit for the silver enclosure JuiceBox from Kickstarter, I noticed 
that it was difficult to properly tighten the nuts with the special washers 
with gasket, in order to weatherproof the enclosure, so I suspect that the 
majority of self-built kits would not be properly weather proofed. And even if 
the enclosure is properly weather-proofed, there are still several ways that 
moisture can get in there, even through condensation out of the air – I have 
seen water-logged enclosures that had the most sophisticated weather proofing, 
but simply the fact that moist air could get in there and collecting 
condensation could not get out, meant that over time the circuit inside failed. 
This happens all over the telecom industry where you find outdoor installed 
enclosures for electronics – I have seen many good and bad cases in the many 
years I worked for a wireless company. It is a tricky field.
Sometimes the simplest solutions are the best – I had great luck with an 
enclosure that had almost no water proofing, but was essentially just a tube 
closed at the top (cast in one piece of plastic) with the bottom wide open. The 
actual board was mounted on a plastic carrier to slide into the tube and had a 
bottom cover that was inserted into and went up 2 inches inside the tube. It 
had several holes for power and Ethernet and the locking tabs, so it would 
always drain out if ever water collected inside. It never did. I believe the 
biggest issue was bugs could collect inside and affect the operation of the 
(also integrated) antenna, but other than that it just had some spray-on 
conformal coating and that was it. Never had so few issues related to water 
intrusion. So, all my later designed enclosures actually had two drain holes in 
opposite corners.

The “JuicePlug” J1772 WiFi adaptor apparently had serious setbacks. I think it 
did not receive the attention it deserved, but it is not dead.
If I remember correctly one of the updates on Kickstarter actually indicated 
that there were (too) big setbacks, the first revision did not work out as 
expected and people were advised that they should contact the company if they 
did not want to wait longer. I was not in a hurry to get the JuicePlug, so I 
opted to wait. I believe that it is awaiting some long leadtime components and 
then the new revision can be tested, but I am not directly involved in that 
project so I have no full visibility.

We should talk about CHAdeMO charging. You will be responsible for any 
weather-proofing as the 25kW charger that is used, is forced-air cooled.

I hope this gives some background – as far as I am aware.
Cor.

Sent from Mail for Windows 10

From: Willie via EV
Sent: Friday, June 15, 2018 11:03 AM
To: ev@lists.evdl.org
Cc: Willie
Subject: Re: [EVDL] Juicebox



On 06/15/2018 12:12 PM, Cor van de Water via EV wrote:
> Hi Damon,
> That would be me 
> Although the JuiceBox is created by another department, I was an early 
> adopter and participated in the very first Kickstarter for the JuiceBox.
> With the 50 Amp outlet and the 40 Amp JuiceBox you are prepared to enjoy 
> faster charging of other vehicles, even of visiting friends with Tesla’s 
> At eMotorWerks I am mostly working on DC Fast Charging, a very exciting field.
> Cor.

Seems like I've read that EMW has been bought out by somebody?

I, too, started buying JuiceBoxes back in the first Kickstarted stage. 
I think I eventually bought three of the "Premium" versions in the half 
cylinder cases and, later, about three in at least two versions of the 
square cases.  A couple of years ago, I went with the Kickstarter deal 
for the J1772 adapter with wifi.  Your message reminded me that I'm 
still waiting for that one.

Early on, the JBs were attractive when they could supposedly do 60 amps 
for ~$300 while the Tesla "Wall Connectors" cost ~$1k for 80 amps.  Now, 
the Wall Connectors are only ~$500 while JBs have gone up in price and 
down in capacity.

I've found JBs to be very poorly weather proofed.  I've had little 
trouble with JBs installed in protected areas but have about three dead 
ones that were mounted un-protected.  I think I have two dead with 
square cases and one dead half cylinder

When an exposed JB died a year or so ago, I replaced it with a very 
cheap Duosida which has given me no trouble just dangling from a chain 
link fence.  I've just mentally adapted to the reduced 16 amp charge 
rate or charge in a less convenient location if I need faster charging.

Especially the older JBs had illegible displays and troublesome key fob 
controllers.

Can you tell us anything of what is in the works with DC charging?  At 
one time, I was considering trying to set up a poor man's chademo with 
two of the EMW products.  The idea was to charge imievs at around 20kw 
where the AC limit is 3kw.  

Re: [EVDL] Juicebox

[Cor van de Water via EV]

Paul,
I will ask around about this.
I had a similar problem (not JuiceBox related) where my US Electricar S10 had 
internal GFCI detection on the incoming AC line.
It usually worked on 110V and it probably also should work on a residential 
240V which is 2 balanced 120V legs, but the place where I wanted to charge at 
240V had only commercial 480V 3-phase available anywhere near the parking lot. 
So, I took one leg of that (277V) which was powering the light in the parking 
lot on a timer, and I attached a step-down transformer which was an industrial 
dry type transformer that used to have 240V primary and about 36V secondary. I 
put the two in series and connected that to the 277V, giving me a 36V step down 
(auto-transformer) to 240V.
Since the transformer only sees the difference between input and output and the 
truck never draws more than approx. 3kW (13A typically) the transformer never 
saw more than ½ kVA.

However, what I discovered was that on this single phase 240V power, the 
truck’s GFCI would always trigger, while on 110v it would only occasionally 
pop. So, I disabled the built-in GFCI. Why can toasters and RVs be plugged in 
without GFCI and our super-protected EVs struggle with hair-trigger GFCI that 
disables charging at inconvenient times?
Anyway, while disabling the GFCI may not be your preferred solution and I will 
try to find out what can be done – it would be my own preferred solution…
BTW, I did charge Lawrence’s 2016 Leaf with 30kWh battery on my JuiceBox 
without trouble. I had forgotten to adjust the pilot, so it pulled full power 
(32A = 7.7kW) for over an hour on my NEMA 14-30 circuit – indeed slightly 
overloading the 10 gauge wiring, but it survived. As far as I know, the GFCI is 
original in my JuiceBox.
Cor.

Sent from Mail for Windows 10

From: Paul Wallace via EV
Sent: Friday, June 15, 2018 1:40 PM
To: ev@lists.evdl.org
Cc: Paul Wallace
Subject: Re: [EVDL] Juicebox

Cor, 
finally, someone with some background with the Juicebox Classic silver case 
unit. I've got a Juicebox classic 40A on a 50amp outlet which should put out 
enough power for my PFC40 charger. It works fine with both the 2017 Volt and 
the 2015 Spark, but they can only manage around 3.3kw. The problem comes when I 
plug in my S10 with the PFC40. If I turn up the charger power past about 4kw or 
so, the Juicebox works for a while, 10 to 15 minutes, but then faults with a 
GFCI error. I managed to find an old build document online for the kit which 
explains how to monitor the serial stream and also put a volt meter on the GFCI 
sense pin to the microcontroller and watch the offset voltage. I think that the 
Juicebox is a factory version as the GFCI transformer has a glob of white RTV 
fixing the 240VAC input wires in what should be the best position for 
minimizing the offset voltage. Everything starts out relatively good. The 
offset voltage is in the 50mv range as I remember. After about 5 minutes
 , the offset begins to increase while charging current remains steady. Once 
the offset voltage gets up to around 200mv, the fault occurs. 

Is there anything I can do to improve the offset voltage so this doesn't 
happen? I'd like to be able to use the full power of the Juicebox since the 
PFC40 will handle it. 

thanks, 
Paul Wallace 
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Re: [EVDL] Juicebox

[Rush Dougherty via EV]

TucsonEV.com sells the KHONS 32A EVSE for $350. It has a readout that shows 
Charging Status, Accumulated kWh, Charging time, Supply Amps and Volts, Elapsed 
charge time, charging Amps, EVSE temperature and kW. It is a very compact and 
portable unit, about the size of a Tesla UMC. It comes with a 14-50 plug.

Here is a link to a review by John Woodell -
https://medium.com/@JohnWoodell/khons-32-amp-charging-cable-review-4d6a389e26c6

Rush Dougherty
Tucson AZ 85719


> -Original Message-
> From: EV [mailto:ev-boun...@lists.evdl.org] On Behalf Of Cor van de Water via
> EV
> Sent: Friday, June 15, 2018 11:13 AM
> To: Electric Vehicle Discussion List
> Cc: Cor van de Water
> Subject: Re: [EVDL] Juicebox
>
> Hi Evan,
> For the DC chargers, it was decided that there is not enough market to make
> direct sales worthwhile, that is why the links were removed from the website.
> We do still sell complete built chargers to integrators, please contact 
> Dorian 
> in
> sales.
>
> Can't help you with a CCS inlet, I have (privately) bought DC fast charge 
> inlets 
> on
> Ebay from dismantlers.
>
> I do believe that we sell the Mennekes 3-phase inlet. 22kW would be the 32
> Amp variant.
> Our DC chargers can take either DC, single phase or 3-phase input, with as 
> only
> limitations The voltage in/out combinations depending on architecture (buck or
> boost or both) and max current.
> Hope this clarifies,
> Cor.
>
> Sent from Mail for Windows 10
>
> From: Evan Tuer via EV
> Sent: Friday, June 15, 2018 10:28 AM
> To: Electric Vehicle Discussion List
> Cc: Evan Tuer
> Subject: Re: [EVDL] Juicebox
>
> On Fri, Jun 15, 2018 at 6:12 PM, Cor van de Water via EV 
> wrote:
>
> > Hi Damon,
> > That would be me ??
> > Although the JuiceBox is created by another department, I was an early
> > adopter and participated in the very first Kickstarter for the JuiceBox.
> > With the 50 Amp outlet and the 40 Amp JuiceBox you are prepared to
> > enjoy faster charging of other vehicles, even of visiting friends with
> > Tesla's ??
> > At eMotorWerks I am mostly working on DC Fast Charging, a very
> > exciting field.
> >
>
>
> Hi Cor, it sure is exciting!  I remember a few years ago, EMW had for sale 
> kits 
> of
> serious chargers - 12kW or even more. What has happened to those, I was keen
> to buy one?
> I am currently looking for a CCS combo-type 2 inlet to add to my conversion,
> and/or an onboard AC 3 phase charger, 22kW or so.
>
> Cheers
> EVan
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Re: [EVDL] Juicebox

[Jay Summet via EV]

I had a similar problem with my S-10 conversion where a silver JuiceBox 
Pro was suffering GFCI trips after about 50 minutes of charging.


The problem turned out to be my chargers overheating, and when they shut 
down something in their shutdown procedure tripped the GFCI.


I have dual ThunderStruck TSM2500 (rebranded CH4100) chargers, and was 
able to fix the issue by ducting in more air w/ fans.


Not saying this is your problem, but just pointing out that I did a lot 
of debugging on the GFCI fault with the JuiceBox before I discovered 
that the ultimate cause was the chargers.


Jay

On 06/15/2018 04:40 PM, Paul Wallace via EV wrote:

Cor,
finally, someone with some background with the Juicebox Classic silver case 
unit. I've got a Juicebox classic 40A on a 50amp outlet which should put out 
enough power for my PFC40 charger. It works fine with both the 2017 Volt and 
the 2015 Spark, but they can only manage around 3.3kw. The problem comes when I 
plug in my S10 with the PFC40. If I turn up the charger power past about 4kw or 
so, the Juicebox works for a while, 10 to 15 minutes, but then faults with a 
GFCI error. I managed to find an old build document online for the kit which 
explains how to monitor the serial stream and also put a volt meter on the GFCI 
sense pin to the microcontroller and watch the offset voltage. I think that the 
Juicebox is a factory version as the GFCI transformer has a glob of white RTV 
fixing the 240VAC input wires in what should be the best position for 
minimizing the offset voltage. Everything starts out relatively good. The 
offset voltage is in the 50mv range as I remember. After about 5 minut

es

  , the offset begins to increase while charging current remains steady. Once 
the offset voltage gets up to around 200mv, the fault occurs.

Is there anything I can do to improve the offset voltage so this doesn't 
happen? I'd like to be able to use the full power of the Juicebox since the 
PFC40 will handle it.

thanks,
Paul Wallace
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Re: [EVDL] Juicebox

[Paul Wallace via EV]

Cor, 
finally, someone with some background with the Juicebox Classic silver case 
unit. I've got a Juicebox classic 40A on a 50amp outlet which should put out 
enough power for my PFC40 charger. It works fine with both the 2017 Volt and 
the 2015 Spark, but they can only manage around 3.3kw. The problem comes when I 
plug in my S10 with the PFC40. If I turn up the charger power past about 4kw or 
so, the Juicebox works for a while, 10 to 15 minutes, but then faults with a 
GFCI error. I managed to find an old build document online for the kit which 
explains how to monitor the serial stream and also put a volt meter on the GFCI 
sense pin to the microcontroller and watch the offset voltage. I think that the 
Juicebox is a factory version as the GFCI transformer has a glob of white RTV 
fixing the 240VAC input wires in what should be the best position for 
minimizing the offset voltage. Everything starts out relatively good. The 
offset voltage is in the 50mv range as I remember. After about 5 minutes
 , the offset begins to increase while charging current remains steady. Once 
the offset voltage gets up to around 200mv, the fault occurs. 

Is there anything I can do to improve the offset voltage so this doesn't 
happen? I'd like to be able to use the full power of the Juicebox since the 
PFC40 will handle it. 

thanks, 
Paul Wallace 
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Re: [EVDL] Juicebox

[Evan Tuer via EV]

Hi Cor,

> For the DC chargers, it was decided that there is not enough market to make 
> direct sales worthwhile, that is why the links were removed from the website. 
> We do still sell complete built chargers to integrators, please contact 
> Dorian in sales.

Thanks, I will try.

> Can’t help you with a CCS inlet, I have (privately) bought DC fast charge 
> inlets on Ebay from dismantlers.

Yes that’s the obvious route. To be honest getting an inlet *and* charger from 
a breaker might be the most cost effective route these days.

> I do believe that we sell the Mennekes 3-phase inlet. 22kW would be the 32 
> Amp variant.

Yes I have the type 2 32A inlet already, just considering adding either chademo 
or CCS.

> Our DC chargers can take either DC, single phase or 3-phase input, with as 
> only limitations
> The voltage in/out combinations depending on architecture (buck or boost or 
> both) and max current.
> Hope this clarifies,

Very good, thanks!

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Re: [EVDL] Juicebox

[Evan Tuer via EV]

> On 15 Jun 2018, at 19:32, John Lussmyer via EV  wrote:
> 
> On Fri Jun 15 10:19:07 PDT 2018 ev@lists.evdl.org said:
>> kits of serious chargers - 12kW or even more. What has happened to those, I
>> was keen to buy one?
> 
> Manzanita Micro sells a 12KW (and 18KW) charger.
> I'm using one of the PFC-50 (12KW) units all the time

Yes I still use a PFC20b myself.  The higher power charging is normally 
available on 3 phase, 32A max per phase, so a 3 phase charger is what I was 
interested in (otherwise yes, PFC30 would be a good upgrade).

Thanks
Evan

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Re: [EVDL] Juicebox

[John Lussmyer via EV]

On Fri Jun 15 10:19:07 PDT 2018 ev@lists.evdl.org said:
>kits of serious chargers - 12kW or even more. What has happened to those, I
>was keen to buy one?

Manzanita Micro sells a 12KW (and 18KW) charger.
I'm using one of the PFC-50 (12KW) units all the time.


--

Worlds only All Electric F-250 truck! 
http://john.casadelgato.com/Electric-Vehicles/1995-Ford-F-250

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Re: [EVDL] Juicebox

[Cor van de Water via EV]

Hi Evan,
For the DC chargers, it was decided that there is not enough market to make 
direct sales worthwhile, that is why the links were removed from the website. 
We do still sell complete built chargers to integrators, please contact Dorian 
in sales.

Can’t help you with a CCS inlet, I have (privately) bought DC fast charge 
inlets on Ebay from dismantlers.

I do believe that we sell the Mennekes 3-phase inlet. 22kW would be the 32 Amp 
variant.
Our DC chargers can take either DC, single phase or 3-phase input, with as only 
limitations
The voltage in/out combinations depending on architecture (buck or boost or 
both) and max current.
Hope this clarifies,
Cor.

Sent from Mail for Windows 10

From: Evan Tuer via EV
Sent: Friday, June 15, 2018 10:28 AM
To: Electric Vehicle Discussion List
Cc: Evan Tuer
Subject: Re: [EVDL] Juicebox

On Fri, Jun 15, 2018 at 6:12 PM, Cor van de Water via EV 
wrote:

> Hi Damon,
> That would be me 
> Although the JuiceBox is created by another department, I was an early
> adopter and participated in the very first Kickstarter for the JuiceBox.
> With the 50 Amp outlet and the 40 Amp JuiceBox you are prepared to enjoy
> faster charging of other vehicles, even of visiting friends with Tesla’s 
> At eMotorWerks I am mostly working on DC Fast Charging, a very exciting
> field.
>


Hi Cor, it sure is exciting!  I remember a few years ago, EMW had for sale
kits of serious chargers - 12kW or even more. What has happened to those, I
was keen to buy one?
I am currently looking for a CCS combo-type 2 inlet to add to my
conversion, and/or an onboard AC 3 phase charger, 22kW or so.

Cheers
EVan
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Re: [EVDL] Juicebox

[Willie via EV]

On 06/15/2018 12:12 PM, Cor van de Water via EV wrote:

Hi Damon,
That would be me 
Although the JuiceBox is created by another department, I was an early adopter 
and participated in the very first Kickstarter for the JuiceBox.
With the 50 Amp outlet and the 40 Amp JuiceBox you are prepared to enjoy faster 
charging of other vehicles, even of visiting friends with Tesla’s 
At eMotorWerks I am mostly working on DC Fast Charging, a very exciting field.
Cor.


Seems like I've read that EMW has been bought out by somebody?

I, too, started buying JuiceBoxes back in the first Kickstarted stage. 
I think I eventually bought three of the "Premium" versions in the half 
cylinder cases and, later, about three in at least two versions of the 
square cases.  A couple of years ago, I went with the Kickstarter deal 
for the J1772 adapter with wifi.  Your message reminded me that I'm 
still waiting for that one.


Early on, the JBs were attractive when they could supposedly do 60 amps 
for ~$300 while the Tesla "Wall Connectors" cost ~$1k for 80 amps.  Now, 
the Wall Connectors are only ~$500 while JBs have gone up in price and 
down in capacity.


I've found JBs to be very poorly weather proofed.  I've had little 
trouble with JBs installed in protected areas but have about three dead 
ones that were mounted un-protected.  I think I have two dead with 
square cases and one dead half cylinder


When an exposed JB died a year or so ago, I replaced it with a very 
cheap Duosida which has given me no trouble just dangling from a chain 
link fence.  I've just mentally adapted to the reduced 16 amp charge 
rate or charge in a less convenient location if I need faster charging.


Especially the older JBs had illegible displays and troublesome key fob 
controllers.


Can you tell us anything of what is in the works with DC charging?  At 
one time, I was considering trying to set up a poor man's chademo with 
two of the EMW products.  The idea was to charge imievs at around 20kw 
where the AC limit is 3kw.  I gave up on that idea when my JBs became so 
consistently troublesome.

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Re: [EVDL] Juicebox

[Evan Tuer via EV]

On Fri, Jun 15, 2018 at 6:12 PM, Cor van de Water via EV 
wrote:

> Hi Damon,
> That would be me 
> Although the JuiceBox is created by another department, I was an early
> adopter and participated in the very first Kickstarter for the JuiceBox.
> With the 50 Amp outlet and the 40 Amp JuiceBox you are prepared to enjoy
> faster charging of other vehicles, even of visiting friends with Tesla’s 
> At eMotorWerks I am mostly working on DC Fast Charging, a very exciting
> field.
>


Hi Cor, it sure is exciting!  I remember a few years ago, EMW had for sale
kits of serious chargers - 12kW or even more. What has happened to those, I
was keen to buy one?
I am currently looking for a CCS combo-type 2 inlet to add to my
conversion, and/or an onboard AC 3 phase charger, 22kW or so.

Cheers
EVan
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Re: [EVDL] Juicebox

[Cor van de Water via EV]

Hi Damon,
That would be me 
Although the JuiceBox is created by another department, I was an early adopter 
and participated in the very first Kickstarter for the JuiceBox.
With the 50 Amp outlet and the 40 Amp JuiceBox you are prepared to enjoy faster 
charging of other vehicles, even of visiting friends with Tesla’s 
At eMotorWerks I am mostly working on DC Fast Charging, a very exciting field.
Cor.

Sent from Mail for Windows 10

From: Damon Henry via EV
Sent: Friday, June 15, 2018 9:33 AM
To: EV List
Cc: Damon Henry
Subject: [EVDL] Juicebox

I just added a 50 amp Nema 14-50 circuit in my garage and ordered a Juicebox 40 
Light to charge my wife's Prius Prime faster.  I have to say that it is a very 
nice setup and works as advertised.   I could have bought a cheaper L2 charge 
station that would have worked just as well on the Prius Prime as it is limited 
to the 3.3kw charger it comes with, but I felt the Juicebox had more to offer 
for any future EVs I might bring home, especially ones with a higher charge 
rate.  I selected the Lite model over the standard as most of the features that 
are missing are available native in the Prius Prime already, and a software 
upgrade is available if I ever feel I need it.  Interestingly, with the current 
pricing it  is actually a couple of bucks cheaper to buy the Lite model and pay 
for the upgrade...

If my memory servers correctly one of our long time list contributors recently 
went to work for eMotorWerks.  So congratulations to him for joining a company 
that sells a quality product that is helping the EV movement march forward.

Damon
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Re: [EVDL] Juicebox contactor problem

[Cor van de Water via EV]

My GE EV-100 / EVT-15 controller does something similar using
the battery contactor and the motor contactor:
Before closing the battery contactor it will check pre-charge and
battery voltage, then it will close the battery contactor and check the
motor output, which is attached to a pair of identical high value
resistors, one to battery + and one to battery - so that the open motor
output should be at 50% battery voltage unless either the IGBT is
leaking to - battery or the flyback diode is leaking to + battery.
If the motor output is not too much from a mid voltage, then the motor
contactor will close and the controller can drive the vehicle.
During operation it will also monitor for overcurrent and limit the
current, but if the IGBT shows de-saturation then it assumes a short
circuit is happening and it opens the contactors.
Note that this has prevented several run-away cases or blowing stuff up
when one component failed.

Cor van de Water 
Chief Scientist 
Proxim Wireless 
  
office +1 408 383 7626Skype: cor_van_de_water 
XoIP   +31 87 784 1130private: cvandewater.info 

http://www.proxim.com

This email message (including any attachments) contains confidential and
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this message in error, please delete it and notify the sender.  Any
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-Original Message-
From: EV [mailto:ev-boun...@lists.evdl.org] On Behalf Of Lee Hart via EV
Sent: Monday, February 01, 2016 12:41 PM
To: Electric Vehicle Discussion List
Subject: Re: [EVDL] Juicebox contactor problem

Cor van de Water via EV wrote:
> I am sure that this test is done in software just to verify that
> everything works, just like there is a special relay that will
> *create* a GFCI event just to test the detection of GFCI before
> relying on it. Most standards actually do not specify what happens in
> transition (such as power up)

I agree. It is common practice for a product to test its own safety 
circuits automatically, one way or another. The standards were written 
to allow and even encourage this.

Relay contacts can stick closed. If you want to be sure a relay opens, 
then monitor its contacts and operate it.

I recall one product where it was vital that its AC output could be 
turned off in an emergency. So we had *two* relays, with their contacts 
in series (one switching one hot lead, the other switching the other). 
The safety test circuit closed and opened one relay while measuring its 
output to be sure it worked. Then it repeated this test with the other 
relay. Only if both passed did it turn on BOTH relays to power the load.
-- 
Knowledge is better than belief. Belief is when someone else does
your thinking.  -- anonymous
--
Lee Hart, 814 8th Ave N, Sartell MN 56377, www.sunrise-ev.com
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Re: [EVDL] Juicebox contactor problem

[Rush Dougherty via EV]

Actually Cor, when I tested the Juicebox I had a meter in the J1772 Power pins
and it showed 240vac from the first thunk to the 2nd thunk, when the contactor
closed and when it opened. And the easiest way the contactor can be tested is to
put power thru it and that is what the Juicebox does.

Best to all

Rush Dougherty
Tucson AZ 85719

> -Original Message-
> From: EV [mailto:ev-boun...@lists.evdl.org] On Behalf Of Cor van de Water via
EV
> Sent: Monday, February 01, 2016 12:56 PM
> To: Electric Vehicle Discussion List
> Subject: Re: [EVDL] Juicebox contactor problem
>
> I am sure that this test is done in software just to verify that everything
works, just like there
> is a special relay that will *create* a GFCI event just to test the detection
of GFCI before
> relying on it.
> Most standards actually do not specify what happens in transition (such as
power up) but if
> it is important - the software is open source so you can simply comment out
this test and if
> you want to still get the proper test results, you do the test at the (first)
plug-in event.
> Problem solved.
>
> Cor van de Water
> Chief Scientist
> Proxim Wireless
>
> office +1 408 383 7626Skype: cor_van_de_water
> XoIP   +31 87 784 1130private: cvandewater.info
>
> http://www.proxim.com
>
> This email message (including any attachments) contains confidential and
proprietary
> information of Proxim Wireless Corporation.  If you received this message in
error, please
> delete it and notify the sender.  Any unauthorized use, disclosure,
distribution, or copying of
> any part of this message is prohibited.
>
> -Original Message-
> From: EV [mailto:ev-boun...@lists.evdl.org] On Behalf Of Ing. Marco Gaxiola
via EV
> Sent: Sunday, January 31, 2016 10:44 PM
> To: 'Electric Vehicle Discussion List'
> Subject: Re: [EVDL] Juicebox contactor problem
>
> Well, according to the SAE-J1772 standard, the contactor shall not be
energized during a
> startup test nor any other condition than when plugging it to a car. Maybe
that is one of the
> reasons is not been approved.
>
>
> Marco Gaxiola
> CEO/Director
> Tel: +52(662)301.1070
> Skype: info.energyev
> www.energyev.com
>
>
>
> -Mensaje original-
> De: EV [mailto:ev-boun...@lists.evdl.org] En nombre de Cruisin via EV Enviado
el:
> domingo, 31 de enero de 2016 01:44 p.m.
> Para: ev@lists.evdl.org
> Asunto: Re: [EVDL] Juicebox contactor problem
>
> You can get support from the people who sold you the non approved charging
stations.
>
> --
> View this message in context:
> http://electric-vehicle-discussion-list.413529.n4.nabble.com/Juicebox-co
> ntac
> tor-problem-tp4680179p4680186.html
> Sent from the Electric Vehicle Discussion List mailing list archive at
Nabble.com.
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> -
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Re: [EVDL] Juicebox contactor problem

[Cor van de Water via EV]

I am sure that this test is done in software just to verify that
everything works, just like there is a special relay that will *create*
a GFCI event
just to test the detection of GFCI before relying on it.
Most standards actually do not specify what happens in transition (such
as power up) but if it is important - the software is open source so you
can simply comment out this test and if you want to still get the proper
test results, you do the test at the (first) plug-in event. Problem
solved.

Cor van de Water 
Chief Scientist 
Proxim Wireless 
  
office +1 408 383 7626Skype: cor_van_de_water 
XoIP   +31 87 784 1130private: cvandewater.info 

http://www.proxim.com

This email message (including any attachments) contains confidential and
proprietary information of Proxim Wireless Corporation.  If you received
this message in error, please delete it and notify the sender.  Any
unauthorized use, disclosure, distribution, or copying of any part of
this message is prohibited.

-Original Message-
From: EV [mailto:ev-boun...@lists.evdl.org] On Behalf Of Ing. Marco
Gaxiola via EV
Sent: Sunday, January 31, 2016 10:44 PM
To: 'Electric Vehicle Discussion List'
Subject: Re: [EVDL] Juicebox contactor problem

Well, according to the SAE-J1772 standard, the contactor shall not be
energized during a startup test nor any other condition than when
plugging
it to a car. Maybe that is one of the reasons is not been approved.


Marco Gaxiola
CEO/Director
Tel: +52(662)301.1070
Skype: info.energyev
www.energyev.com 



-Mensaje original-
De: EV [mailto:ev-boun...@lists.evdl.org] En nombre de Cruisin via EV
Enviado el: domingo, 31 de enero de 2016 01:44 p.m.
Para: ev@lists.evdl.org
Asunto: Re: [EVDL] Juicebox contactor problem

You can get support from the people who sold you the non approved
charging
stations.

--
View this message in context:
http://electric-vehicle-discussion-list.413529.n4.nabble.com/Juicebox-co
ntac
tor-problem-tp4680179p4680186.html
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Re: [EVDL] Juicebox contactor problem

[Lee Hart via EV]

Cor van de Water via EV wrote:

I am sure that this test is done in software just to verify that
everything works, just like there is a special relay that will
*create* a GFCI event just to test the detection of GFCI before
relying on it. Most standards actually do not specify what happens in
transition (such as power up)


I agree. It is common practice for a product to test its own safety 
circuits automatically, one way or another. The standards were written 
to allow and even encourage this.


Relay contacts can stick closed. If you want to be sure a relay opens, 
then monitor its contacts and operate it.


I recall one product where it was vital that its AC output could be 
turned off in an emergency. So we had *two* relays, with their contacts 
in series (one switching one hot lead, the other switching the other). 
The safety test circuit closed and opened one relay while measuring its 
output to be sure it worked. Then it repeated this test with the other 
relay. Only if both passed did it turn on BOTH relays to power the load.

--
Knowledge is better than belief. Belief is when someone else does
your thinking.  -- anonymous
--
Lee Hart, 814 8th Ave N, Sartell MN 56377, www.sunrise-ev.com
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Re: [EVDL] Juicebox contactor problem

[Cor van de Water via EV]

Oh that was clear from the beginning: energize the contactor and power
goes to the J1772 plug. What I meant was that the choice to energize the
contactor and measure the 240V output presence is a software
implementation.
Remove the lines of code that energize the contactor on startup and you
will not see 240V on the J1772 plug. This means that the test if the
contactor works must be postponed until the first plug-in event.
Probably the GFCI test requires the contactor closed as well, so that
test can then also only be done after an EV plugged in, not on power-up.

Hope this clarifies,

Cor van de Water 
Chief Scientist 
Proxim Wireless 
  
office +1 408 383 7626Skype: cor_van_de_water 
XoIP   +31 87 784 1130private: cvandewater.info 

http://www.proxim.com

This email message (including any attachments) contains confidential and
proprietary information of Proxim Wireless Corporation.  If you received
this message in error, please delete it and notify the sender.  Any
unauthorized use, disclosure, distribution, or copying of any part of
this message is prohibited.


-Original Message-
From: EV [mailto:ev-boun...@lists.evdl.org] On Behalf Of Rush Dougherty
via EV
Sent: Monday, February 01, 2016 12:46 PM
To: 'Electric Vehicle Discussion List'
Subject: Re: [EVDL] Juicebox contactor problem

Actually Cor, when I tested the Juicebox I had a meter in the J1772
Power pins
and it showed 240vac from the first thunk to the 2nd thunk, when the
contactor
closed and when it opened. And the easiest way the contactor can be
tested is to
put power thru it and that is what the Juicebox does.

Best to all

Rush Dougherty
Tucson AZ 85719

> -Original Message-
> From: EV [mailto:ev-boun...@lists.evdl.org] On Behalf Of Cor van de
Water via
EV
> Sent: Monday, February 01, 2016 12:56 PM
> To: Electric Vehicle Discussion List
> Subject: Re: [EVDL] Juicebox contactor problem
>
> I am sure that this test is done in software just to verify that
everything
works, just like there
> is a special relay that will *create* a GFCI event just to test the
detection
of GFCI before
> relying on it.
> Most standards actually do not specify what happens in transition
(such as
power up) but if
> it is important - the software is open source so you can simply
comment out
this test and if
> you want to still get the proper test results, you do the test at the
(first)
plug-in event.
> Problem solved.
>
> Cor van de Water
> Chief Scientist
> Proxim Wireless
>
> office +1 408 383 7626Skype: cor_van_de_water
> XoIP   +31 87 784 1130private: cvandewater.info
>
> http://www.proxim.com
>
> This email message (including any attachments) contains confidential
and
proprietary
> information of Proxim Wireless Corporation.  If you received this
message in
error, please
> delete it and notify the sender.  Any unauthorized use, disclosure,
distribution, or copying of
> any part of this message is prohibited.
>
> -Original Message-
> From: EV [mailto:ev-boun...@lists.evdl.org] On Behalf Of Ing. Marco
Gaxiola
via EV
> Sent: Sunday, January 31, 2016 10:44 PM
> To: 'Electric Vehicle Discussion List'
> Subject: Re: [EVDL] Juicebox contactor problem
>
> Well, according to the SAE-J1772 standard, the contactor shall not be
energized during a
> startup test nor any other condition than when plugging it to a car.
Maybe
that is one of the
> reasons is not been approved.
>
>
> Marco Gaxiola
> CEO/Director
> Tel: +52(662)301.1070
> Skype: info.energyev
> www.energyev.com
>
>
>
> -Mensaje original-
> De: EV [mailto:ev-boun...@lists.evdl.org] En nombre de Cruisin via EV
Enviado
el:
> domingo, 31 de enero de 2016 01:44 p.m.
> Para: ev@lists.evdl.org
> Asunto: Re: [EVDL] Juicebox contactor problem
>
> You can get support from the people who sold you the non approved
charging
stations.
>
> --
> View this message in context:
>
http://electric-vehicle-discussion-list.413529.n4.nabble.com/Juicebox-co
> ntac
> tor-problem-tp4680179p4680186.html
> Sent from the Electric Vehicle Discussion List mailing list archive at
Nabble.com.
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Re: [EVDL] Juicebox contactor problem

[Tom Jones via EV]

I also have a JuiceBox and it has always cycled the main relay when you 
reset the unit, or apply power. The relay is closed for a very short 
time. The relay is cycled if the EVSE is connected to the car or not. 
Mine was a kit and I have had it for some time now but I recall that 
characteristic being mentioned in the kit documentation.


I look at it as a very simple functional test. Yes, the main relay can 
be activated, if you hear it close and open.


Tom

On 1/31/2016 9:49 AM, Rush Dougherty via EV wrote:

Hi all,

A friend has a Juicebox, one of the earlier ones, and when he plugged the power
cord in, I heard a thunk, thunk, like the contactor was engaging and
disengaging. I asked him if that was new and he said nope, whenever I plug it in
it does that. So I guess it was doing a contactor test.

Then I thought, is the J1772 plug must be hot when that happens? I plugged my
meter into the hot leads of the J1772, plugged in the power cord and heard the
thunk, the meter jumped to 220, heard another thunk and the meter went back to
zero.

Do you people that have a Juicebox experience the same sequence of thunk, thunk
when you initially plug the EVSE into a power source?

Rush Dougherty
Tucson AZ 85719




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Re: [EVDL] Juicebox contactor problem

[corbin dunn via EV]

Yes, it does a power cycle test on plugin. That’s normal, and you can see it in 
their open source arduino code.

corbin

> On Jan 31, 2016, at 9:49 AM, Rush Dougherty via EV  wrote:
> 
> Hi all,
> 
> A friend has a Juicebox, one of the earlier ones, and when he plugged the 
> power
> cord in, I heard a thunk, thunk, like the contactor was engaging and
> disengaging. I asked him if that was new and he said nope, whenever I plug it 
> in
> it does that. So I guess it was doing a contactor test.
> 
> Then I thought, is the J1772 plug must be hot when that happens? I plugged my
> meter into the hot leads of the J1772, plugged in the power cord and heard the
> thunk, the meter jumped to 220, heard another thunk and the meter went back to
> zero.
> 
> Do you people that have a Juicebox experience the same sequence of thunk, 
> thunk
> when you initially plug the EVSE into a power source?
> 
> Rush Dougherty
> Tucson AZ 85719
> 
> 
> 
> 
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Re: [EVDL] Juicebox contactor problem

[Cruisin via EV]

You can get support from the people who sold you the non approved charging
stations.

--
View this message in context: 
http://electric-vehicle-discussion-list.413529.n4.nabble.com/Juicebox-contactor-problem-tp4680179p4680186.html
Sent from the Electric Vehicle Discussion List mailing list archive at 
Nabble.com.
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Re: [EVDL] Juicebox contactor problem

[Ing. Marco Gaxiola via EV]

Well, according to the SAE-J1772 standard, the contactor shall not be
energized during a startup test nor any other condition than when plugging
it to a car. Maybe that is one of the reasons is not been approved.


Marco Gaxiola
CEO/Director
Tel: +52(662)301.1070
Skype: info.energyev
www.energyev.com 



-Mensaje original-
De: EV [mailto:ev-boun...@lists.evdl.org] En nombre de Cruisin via EV
Enviado el: domingo, 31 de enero de 2016 01:44 p.m.
Para: ev@lists.evdl.org
Asunto: Re: [EVDL] Juicebox contactor problem

You can get support from the people who sold you the non approved charging
stations.

--
View this message in context:
http://electric-vehicle-discussion-list.413529.n4.nabble.com/Juicebox-contac
tor-problem-tp4680179p4680186.html
Sent from the Electric Vehicle Discussion List mailing list archive at
Nabble.com.
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