Re: [EVDL] V2G at L1 is practical

2014-06-06 Thread Haudy Kazemi via EV
://www.proxim.com Email: cwa...@proxim.com Private: http://www.cvandewater.info Skype: cor_van_de_water Tel: +1 408 383 7626 -Original Message- From: EV [mailto:ev-boun...@lists.evdl.org] On Behalf Of Haudy Kazemi via EV Sent: Friday, June 06, 2014 10:44 AM To: Robert E CIV USNA Annapolis Bruninga

Re: [EVDL] Turning over a new Leaf...

2014-12-14 Thread Haudy Kazemi via EV
I recommend building an OpenEVSE, or buying one someone else has built. They come up from time to time on the MyNissanLeaf forums. On Sun, Dec 14, 2014 at 2:51 PM, corbin dunn via EV ev@lists.evdl.org wrote: On Dec 12, 2014, at 9:07 PM, Lee Hart via EV ev@lists.evdl.org wrote: Hi Cor,

Re: [EVDL] Turning over a new Leaf...

2014-12-14 Thread Haudy Kazemi via EV
Repairability, software and hardware component availability, and the forums are significant factors why I think the OpenEVSE based solutions are preferable to many of the alternatives. Depending on your contactors and control electronics you may be able to have a dual voltage EVSE. OpenEVSE

Re: [EVDL] Supercharging is not the way.

2015-05-13 Thread Haudy Kazemi via EV
The Leaf is not always 250 Wh/mile (4 mi/kWh). It can be under comfortable weather and clean roads, but in deep cold, or slushy highways, with the resistance heat on, even with smooth driving, it can exceed 350 Wh/mile (2.9 mi/kWh). Aggressive high speed driving in rainy conditions with the heat

Re: [EVDL] Off-grid solar house and electric car charging

2016-06-07 Thread Haudy Kazemi via EV
I would agree. Lower priced mass produced commodity AC appliances and lower wiring/switch/outlet costs will make up for the inverter inefficiencies. Keep in mind the amount of useful energy that you need to get out of a system and then choose components that will get you there. Max technical

Re: [EVDL] 2011 Leaf pack disassembly

2016-05-29 Thread Haudy Kazemi via EV
Anyone know if pack swapping was on the mind of the Leaf engineers? I heard it used the same cells as the Better Place 24 kwh packs that were definitely designed with swapping in mind. Different packaging though. IIRC, those BP packs were eventually sold for about $2500 each when they finally

Re: [EVDL] Prius Engine rebuilt?

2016-06-18 Thread Haudy Kazemi via EV
I second Cor on finding a used engine out of a lower mile wreck. I encouraged some friends to do just that when their 2010 Prius engine failed. That story began with knocking (only some of the time and only when moderately or heavily loaded) somewhere 170-180k. This was traced to a cracked

Re: [EVDL] Clear stick-on film for protecting your EV

2017-10-01 Thread Haudy Kazemi via EV
Vinyl wrap is similar to some of the protective films but not identical. I don't believe any heat shrinking is used for Xpel clear films. Xpel is also thicker and more resilient making it more effective against rock chips and scratches. There are some pretty impressive threads with photos on

Re: [EVDL] Clear stick-on film for protecting your EV

2017-10-02 Thread Haudy Kazemi via EV
nd you >try to remove it. >Cor. > >-Original Message- >From: EV [mailto:ev-boun...@lists.evdl.org] On Behalf Of Haudy Kazemi >via EV >Sent: Sunday, October 01, 2017 4:37 PM >To: Electric Vehicle Discussion List; Bill Woodcock via EV >Cc: Haudy Kazemi; Bill Woodcock >Su

Re: [EVDL] Towing with a Bolt

2017-12-01 Thread Haudy Kazemi via EV
A more complex answer is manufacturers promote or don't promote towing abilities as part of market segmentation. In some parts of the world, a vehicle model is tow rated but in other parts the same vehicle isn't rated. Depending on local factors this may either encourage or even force people to

Re: [EVDL] Combating ICED EV parking spaces

2017-12-14 Thread Haudy Kazemi via EV
A mix of options would be preferable IMO. L1 outlets in most places, and some L2 stations marked with signs saying 4 hour limits. A notification system that charging is done or that a space is available would be a nice enhancement. One thing is I'm not convinced that providing L1 120v outlets

Re: [EVDL] $200k Tesla 2020 Roadster $50k reserve 0-60:1.9s ts:250mph | (2019 semi e-truck r:300mi)

2017-11-18 Thread Haudy Kazemi via EV
It's a Spaceballs movie reference for the fastest starship speed. Like turning it up to 11 is a reference to the film This Is Spinal Tap. Tesla likes to make certain pop cultural references in their vehicle user interface options for drive motor and fan speed performance settings. On November

Re: [EVDL] Solar trailer calculation

2017-12-30 Thread Haudy Kazemi via EV
How about we put solar cells on the road surface and either conductively or inductively transfer the energy to the car? :) No wind problems this way. No large trailers needed either. It would have localized shading by snow and rush hour, though, amongst other issues pointed out elsewhere for

Re: [EVDL] Solar trailer

2017-12-29 Thread Haudy Kazemi via EV
:55:32 AM CST, EVDL Administrator via EV <ev@lists.evdl.org> wrote: >On 29 Dec 2017 at 1:43, Haudy Kazemi via EV wrote: > >> 13.75 kWh/55 miles at 55 mph) > >That might be accurate, but to me it seems like a convoluted way to >state >the power required. The miles an

Re: [EVDL] Solar trailer (a 1000-to-1 waste)

2017-12-29 Thread Haudy Kazemi via EV
Small lightly loaded trailers with little wind resistance can add 50-80 Wh/mile. Taller/heavier trailers can double vehicle energy consumption. On December 29, 2017 2:20:20 PM CST, Bill Dube via EV wrote: >I agree 100%. >Folks forget that it takes significant energy to tow

Re: [EVDL] EVLN: GM sez their EVs will be profitable by 2021

2018-02-04 Thread Haudy Kazemi via EV
I guess that's a good development. Makes one go hmmm when you think about past claims about the GM EV1 (and also EVs in general) being impossible to make profitably. Sunk costs and ongoing R costs can be manageable when you look at them with the right scale. On February 4, 2018 9:19:19 PM

Re: [EVDL] Fast Charging... (Flywheel?)

2018-02-09 Thread Haudy Kazemi via EV
Tesla does load balancing and load limiting at its superchargers. Although most of their stations are rated at 120, 135, or 145 kW, they usually deliver less based on these factors: -utility ordered power limits. Drivers see this when their low SoC cars start out with high kW and in under a

Re: [EVDL] Solar trailer calculation

2017-12-28 Thread Haudy Kazemi via EV
A solar trailer with a conventional EV is not well suited to sustained highway speed transport. It can however be useful for range extension (if you can charge while driving or use the trailer as a pusher) or for slow charging while camping at non-electric camp sites. Getting 1 kW on a trailer

Re: [EVDL] Solar trailer

2017-12-28 Thread Haudy Kazemi via EV
Leaf power level demands at 55 mph are easily 4 mi/kWh or 250 Wh/mi (or 13.75 kWh/55 miles at 55 mph). It would be awesome if Leaf energy consumption was as low as you mentioned but most owner experiences indicate otherwise. With your numbers a Leaf could easily do 150 miles. Many owners get

Re: [EVDL] Solar trailer calculation

2017-12-27 Thread Haudy Kazemi via EV
If you really want a directly solar powered vehicle, you will want to look at the low profile lightweight solar racers that many university teams put together. These tend to use bicycle-like components. Making it work for a conventional vehicle for sustained highway speeds runs into space,

Re: [EVDL] EVjacker: Stymied by Bolt EV controls> arrested, $20k-bail Austin-TX

2018-02-28 Thread Haudy Kazemi via EV
That sounds like a plausible scenario. If the car were a Prius Gen 3 put in park, I think the behavior without a key fob is it will stay running but will not allow you to shift out of P. If already in D/drive, the fob is not needed (however the car will warn you) until the car is put back in

Re: [EVDL] EVLN: EV packs optimized 4longevity, Phone Batteries 4co$t

2018-04-05 Thread Haudy Kazemi via EV
As for electric airplane flight endurance... we have already seen small conventional type aircraft with 1 hour endurance, and experimental type aircraft (100% solar+battery) with multiple day endurance with transpacific and transatlantic flights. On April 5, 2018 5:17:26 PM CDT, EVDL

Re: [EVDL] Why I Won't Buy a Tesla, Edison-Tesla Deja Vu [Free Supercharging!]

2018-10-17 Thread Haudy Kazemi via EV
Prices are posted at https://www.tesla.com/support/supercharging Some states are per kWh, others are per minute (with different rates for above or below 60 kW charging rates). Some existing cars are grandfathered into unlimited transferrable free supercharging for the life of the vehicle,

Re: [EVDL] Why I Won't Buy a Tesla

2018-10-08 Thread Haudy Kazemi via EV
Readings of the owners forums indicate that complete battery failures on Teslas are quite rare. They have a good redundancy model of parallel cells within a module, with 14-16 large modules that are in series to provide 350-400v DC, and thermal regulation. There are issues, however: -diagnostics

Re: [EVDL] EVtax: $150yr, $75yr for pih& hevs in MS (v)

2018-10-11 Thread Haudy Kazemi via EV
On Wed, Oct 10, 2018, 23:55 Lee Hart via EV wrote: > > It sounds like a *penalty* for driving hybrid or electric. /sarcasm on Well, everyone knows electrics are heavy and slow, and they say heavy stuff damages roads, and we don't like slow cars blocking our ultralight weight SUVs and rolling

Re: [EVDL] Has Tesla gone too far?

2018-09-22 Thread Haudy Kazemi via EV
Which models have SAE ports? The only adapter I know of is Chademo. I don't know if that adapter would be disabled in this case. I mention it because I have read that Tesla counts Chademo as a supercharging session in regard to battery usage metrics. There is another controversy that Tesla may be

Re: [EVDL] Has Tesla gone too far?

2018-09-22 Thread Haudy Kazemi via EV
There is an effort called Right To Repair, that is trying to get a legislative solution to some of these problems. On Sat, Sep 22, 2018, 08:35 Sean Korb via EV wrote: > This will not be unique to Tesla. Toyota is using Kubernetes and > cloud applications to maintain operation of their

Re: [EVDL] Products with temperature sensing in the AC plug?

2018-09-25 Thread Haudy Kazemi via EV
There are BSafe thermal fault circuit interrupter (TFCI) outlets from 2009. They are about $11 each. I don't find much discussion about them, though. https://www.zmantechnologies.com/store/zman/outlet.html https://www.prweb.com/releases/2009/10/prweb3005524.htm

Re: [EVDL] Has Tesla gone too far?

2018-09-25 Thread Haudy Kazemi via EV
I agree. Supercharger network access is a significant, and for some owners, a primary reason for buying Tesla vehicles. Turning off features of a customer's vehicle is problematic, and even more so while away from home. Imagine your ICE car's gas inlet suddenly only allowing a pencil stream of

Re: [EVDL] Buying a leaf, SOH, GID etc

2018-12-12 Thread Haudy Kazemi via EV
Gen 1 Leafs may make good candidates for battery pack retrofits IF someone figures out how to keep the car happy with the replacement pack using better cells with higher energy density. Compared to traditional ICE conversions...a lot of useful hardware is already in place, but using that hardware

Re: [EVDL] what do tmc need Prius for anymore?: 2 PHEVs ...

2018-12-17 Thread Haudy Kazemi via EV
Can anyone say 'Model 3'? Prius is amongst the top 5 in trade ins for a Model 3. https://www.forbes.com/sites/brookecrothers/2018/09/09/tesla-model-3-era-is-real-crushes-toyota-prius-others/ https://electrek.co/2018/08/01/tesla-model-3-top-5-trade-in-cars/ On Mon, Dec 17, 2018, 15:42 brucedp5

Re: [EVDL] poor 2011 Leaf performance

2018-12-06 Thread Haudy Kazemi via EV
Leaf owners can benefit greatly from the LeafSpy app (not free) and a quality bluetooth OBD2 adapter. They can then look at the detailed health and capacity stats in app. My guess is 9 bars would be about 16 kWh capacity. You may also be losing energy to sticky brakes. Some brake exercise,

Re: [EVDL] What to do with used LiOn CALB batteries?

2018-09-12 Thread Haudy Kazemi via EV
Are these cells still available? How big is each cell physically? I have an inverter charger that can handle lithium...and needs batteries. Any idea on what their capacity looked like when you took them out of the vehicle? Asked differently...how was your range at the end vs when newly installed

Re: [EVDL] NMC cells ran below 2.5 vots n left

2019-03-19 Thread Haudy Kazemi via EV
Here is an article has some info on restoring LiPo cells. Batteries tend to exhibit increased internal resistance as voltages fall. The article empasizes that restoration doesn't mean the cells will be like new. They may have lost capacity and may have increased self discharge rates, but may also

Re: [EVDL] EVSE damaging a Leaf

2019-06-01 Thread Haudy Kazemi via EV
What year was the Leaf and which model was the EVSE? There were some reported compatibility issues with certain EVSEs and early Leaf years (2011-2012) with older Leaf software, specifically when used in combination with a GE WattStation:

Re: [EVDL] Dual voltage EVSE?

2019-05-29 Thread Haudy Kazemi via EV
120v 15a outlets have two vertical flat blades. In contrast, 120v 20a outlets turn one of those blades horizontal. You can see this in the 120v 20a outlets as they usually are built to accept both 15a and 20a plugs. A device that has a 15a type plug (NEMA 5-15) should only draw 12a on a

Re: [EVDL] EVLN: Failed Tesla eMMC bricks(kills) pack> warranty-over= sol

2019-05-11 Thread Haudy Kazemi via EV
It's mostly just Linux console logs. The same standard Linux messages you'd see on any Linux logging console as you interact with a Linux system. On Sat, May 11, 2019, 08:33 EVDL Administrator via EV wrote: > On 11 May 2019 at 4:20, brucedp5 via EV wrote: > > > On the specific issue, the eMMC

Re: [EVDL] Formally complain to Nissan If you want an e-NV200 in North America.

2019-05-18 Thread Haudy Kazemi via EV
>have enough ground clearance for forest service roads (can the Bolt suspension be modified without compromising range?) I'd expect any vehicle modification that increases the frontal area of a vehicle, while holding all other factors constant, to result in increased drag and increased energy

[EVDL] Bless This Mess / Gen 1 Nissan Leaf

2019-04-16 Thread Haudy Kazemi via EV
Hello, Did anyone else notice that the episode premier trailer for the new ABC comedy 'Bless This Mess' appears to feature a blue Gen 1 Nissan Leaf SL pulling a UHaul trailer? Trailer or no trailer, that's going to make for a bit of a challenge for a cross country move from NYC to Nebraska. The

Re: [EVDL] EVLN: Why EV range estimates differ> NEDC.eu, WLTP, EPA.us

2019-08-12 Thread Haudy Kazemi via EV
Something to keep in mind when reading the article: there are several places in this article where the WLTP and NEDC acronyms have been mixed up/swapped. This reverses the meaning of what I believe was intended. Some of the swaps have been pointed out on the website comments, and have been

Re: [EVDL] sources for 12vdc to 24vdc converters

2019-08-20 Thread Haudy Kazemi via EV
On Tue, Aug 20, 2019, 18:04 Willie via EV wrote: > > > On 8/20/19 4:12 PM, EVDL Administrator via EV wrote: > > > The idea of using an EV for backup power is eminently sensible. A > 50/60Hz, > > 100/120/240v (depending on where the car is sold) inverter operating from > > the traction battery

Re: [EVDL] Stella Era

2019-08-22 Thread Haudy Kazemi via EV
Even conventional solar PV cells on current EV designs can provide useful range extension improvements. It doesn't need to cover 100% of demands to be useful. Range improvements are useful, as is neutralizing of vampire load losses, or providing enough energy for limited cooling (some Priuses do

Re: [EVDL] Range+grip: Leaf EV tires that increase range

2019-07-21 Thread Haudy Kazemi via EV
Mr.Sharky... what size were you looking for on which car model? As for the Gen 1 Leaf, it comes stock with 16 inch rims (on at least some model years). Leaf Gen 1 can accept certain 15 inch rims, which allows you access to inexpensive highly mass produced 195/65R15 tires. Gen 3 Prius can use the

Re: [EVDL] sierraclub.org will hold fed's illegal Attack on Clean Air Act accountable

2019-09-26 Thread Haudy Kazemi via EV
This was not intended as a joke or as a pseudo-The Onion article. If pollution cannot be mitigated at the source (for whatever reason), and that pollution is causing problems, and those affected have a way to take action or are required to take action...things will probably be tried*. (The tunnel

Re: [EVDL] sierraclub.org will hold fed's illegal Attack on Clean Air Act accountable

2019-09-20 Thread Haudy Kazemi via EV
If California loses its ability to directly set higher state-level emissions standards (states rights?) ... expect to see workarounds tried. The CA agreement with several automakers is one approach. Stationary and portable air scrubbers* in cities and along highways are another approach (possibly

Re: [EVDL] Tesla Remotely Removed Autopilot Features from Used Model S After 'Audit'

2020-02-10 Thread Haudy Kazemi via EV
Tesla finds out about some ownership changes when a new Tesla account is created and the car is moved to the new account. They also had several different SuC programs, some tied to car (transferable), some tied to owner/account for duration of ownership of a particular car (nontransferable), and

Re: [EVDL] Musk asks that only he be arrested> reopens CA-plant

2020-05-12 Thread Haudy Kazemi via EV
There are more than a couple parallels to Howard Hughes. And, yes, goodwill is being unnecessarily lost, partially to things done or said by the CEO himself, and partially by things the company as a whole does or does not do in actions and communication. Also, the CEO's Twitter account is, or at

Re: [EVDL] Ego vs Greenworks? 7aH EGO battery?

2020-06-24 Thread Haudy Kazemi via EV
. I have manually charged the cells while > checking all the voltages and they seem to be OK . > > But in the mower or charger they only show the RED light. > System is maybe 3 years old? > > Bob > > -Original Message----- > From: EV On Behalf Of Haudy Kazemi vi

Re: [EVDL] George's farm truck/van EV project

2020-06-18 Thread Haudy Kazemi via EV
In all this discussion...I don't think I saw using a car + small 4x8 or 5x8 utility trailer mentioned. Torklift Ecohitches are available for Tesla vehicles, Nissan Leafs, Toyota Priuses, and many other cars. There is a *lot* you can do with a 2000 lb budget. 500 lb utility trailer+1500 lbs load.

Re: [EVDL] Ego vs Greenworks?

2020-06-24 Thread Haudy Kazemi via EV
No experience with Stihl electrics., but I do have 2-3 years experience using 2 EGO manual drive mowers (and 2 blowers). They're much better than the previous Pb-acid mower and corded mowers I have used. The 7.5 Ah 56v battery (14s3p, using 2.5Ah 18650 cells) (14 x 4.0v = 56v nominal, 14x4.2=58.8

Re: [EVDL] EV AC cooling efficiency vs ICE

2020-07-28 Thread Haudy Kazemi via EV
ehicle chosen Maybe 4 times less > compared to a highy efficient Prius hybrid with electric heatpump or 15 > times less than a big SUV or pickup with belt driven compressor." > > Just looking for a simple comparison... > > Bob > On Tue, Jul 28, 2020 at 1:26 AM Haudy Kazemi

Re: [EVDL] EV AC cooling efficiency vs ICE

2020-07-27 Thread Haudy Kazemi via EV
This is very long, so I made it into sections. I hope at least some people read it, or least parts of it, and share feedback. Thanks! --- On the paper: My interpretation of Figure 6 in the Vaghela/Kapadia paper "The Load Calculation of Automobile Air Conditioning System": this shows net values

Re: [EVDL] prius as generator

2020-07-30 Thread Haudy Kazemi via EV
Willie, thanks for the details. I suggest trying again but this time, in addition to the true east/west orientation, also put them 90 degrees apart from each other at their peaks. In other words, each should be at 45 degree angles to the ground. This will limit total illumination as the sun cannot

Re: [EVDL] prius as generator

2020-07-30 Thread Haudy Kazemi via EV
On Thu, Jul 30, 2020, 12:51 Willie via EV wrote: > > > On 7/30/20 9:29 AM, John Lussmyer via EV wrote: > > On Thu Jul 30 09:49:15 PDT 2020 ev@lists.evdl.org said: > >> On 7/30/20 7:03 AM, Robert Bruninga wrote: > >>> Yes, that looks promising.. How much is the 3 or 5kw model? > >> > >> >

Re: [EVDL] prius as generator

2020-07-29 Thread Haudy Kazemi via EV
On Wed, Jul 29, 2020, 14:46 Lee Hart via EV wrote: > John Lussmyer via EV wrote: > >> I have a 5kw on order for testing. Maximum VDC of 450 will, I think, > >> require some adjustment in the way I've been doing things. > > > Except that the 450VDC Max is only for the PV Input which has a MPPT >

Re: [EVDL] prius as generator

2020-07-29 Thread Haudy Kazemi via EV
On Wed, Jul 29, 2020, 18:36 Willie via EV wrote: > > > Perhaps you can comment on some trouble I've run into. > > After observing that some microinverters worked on battery input and > that string inverters worked well with combined strings of both east and > west facing panels, I became

Re: [EVDL] Leaf Busbar Ampacity

2020-08-02 Thread Haudy Kazemi via EV
ed service disconnect and from the > contactors to the front plug, plus the 3 lengths of high voltage wire. > Cor. > > On Sat, Aug 1, 2020, 8:35 PM Haudy Kazemi via EV > wrote: > >> I wouldn't recommend using the Nissan Leaf busbars in pack locations that >> exceed 114 amps. The bars

Re: [EVDL] Leaf Busbar Ampacity

2020-08-01 Thread Haudy Kazemi via EV
Gen 1 Leaf is rated at 80 kW. Pack is 96s2p. Leaf modules have 4 cells in each (48 modules x 4 cells each=192). Voltage is 96x 3.65 V=350.4 V 80 kW / 350.4 V = 228.3 amps 228.3 amps / 2 parallel strings = 114 amps per string NEC ampacity (conservative) rating for 1 gauge wire is 110 amps with

Re: [EVDL] Leaf Busbar Ampacity

2020-08-01 Thread Haudy Kazemi via EV
I wouldn't recommend using the Nissan Leaf busbars in pack locations that exceed 114 amps. The bars should be fine within the series strings, which is what I meant in my prior reply. The ends of each of the 5 parallel sets should be connected some other way. I have heard of copper pipe being

Re: [EVDL] Leaf Busbar Ampacity

2020-08-01 Thread Haudy Kazemi via EV
On Sat, Aug 1, 2020, 23:46 John Lussmyer via EV wrote: > Comments on multiple postings... > > On Sat Aug 01 20:34:51 PDT 2020 ev@lists.evdl.org said: > >I wouldn't recommend using the Nissan Leaf busbars in pack locations that > >exceed 114 amps. The bars should be fine within the series

Re: [EVDL] Can a DC fast charging option be added to a Chevy Bolt ?

2020-08-04 Thread Haudy Kazemi via EV
Fixed fees on charging station sessions discourage the use of stations when only a small amount of energy is needed. These fees encourage long sessions. Per minute rates discourage EVs from charging at the station when they cannot charge at the maximum rate the station is capable of. This