ist" <ev@lists.evdl.org>
Cc:
Sent: 24-Dec-16 7:39:06 AM
Subject: Re: [EVDL] Sequence of Events contactors
Hello Damon,
Just came up from the dungeon, I mean from the EV lab. I normally do a
pre-drive inspection about 30 minutes I leave. Make sure the cab
heaters and battery he
nt: Thursday, December 22, 2016 8:23 AM
To: Robert Bruninga; Electric Vehicle Discussion List
Subject: Re: [EVDL] Sequence of Events contactors
There is no standard way of handling startup, so to say "most" is a bit
misleading. What you describe certainly does not fit the sequence of
Sounds like a challenge. Anyone got one they want to sell cheap.
From: Robert Bruninga via EV <ev@lists.evdl.org>
To: Electric Vehicle Discussion List <ev@lists.evdl.org>
Sent: Thursday, December 22, 2016 11:33 AM
Subject: Re: [EVDL] Sequence of Events contac
Behalf Of damon henry via
> EV
> Sent: Thursday, December 22, 2016 7:23 AM
> To: Robert Bruninga; Electric Vehicle Discussion List
> Subject: Re: [EVDL] Sequence of Events contactors
>
> There is no standard way of handling startup, so to say "most" is
part of
this message is prohibited.
-Original Message-
From: EV [mailto:ev-boun...@lists.evdl.org] On Behalf Of damon henry via
EV
Sent: Thursday, December 22, 2016 7:23 AM
To: Robert Bruninga; Electric Vehicle Discussion List
Subject: Re: [EVDL] Sequence of Events contactors
On 22 Dec 2016 at 12:33, Robert Bruninga via EV wrote:
> a 4kw plasma engulfs a... board full of surface mount high density
> electronics ...the board is completely inaccessible and the entire 700
> lb battery box has to be removed from the car from below to get at it.
Ouch. :-(
To prevent
> A software glitch in the THINK CITY made the mistake of leaving the 4
> kW heater possibly on, so that on the third step above, the 4kW is
> trying to go through a 5W 47 ohm resistor and it blows up. This kills
> the car, and all replacement b0oards are gone, most cannot be repaired
>
On 12/22/2016 10:29 AM, EVDL Administrator via EV wrote:
On 22 Dec 2016 at 10:10, Robert Bruninga via EV wrote:
A software glitch in the THINK CITY made the mistake of leaving the 4
kW heater possibly on, so that on the third step above, the 4kW is
trying to go through a 5W 47 ohm resistor
On 22 Dec 2016 at 10:10, Robert Bruninga via EV wrote:
> A software glitch in the THINK CITY made the mistake of leaving the 4
> kW heater possibly on, so that on the third step above, the 4kW is
> trying to go through a 5W 47 ohm resistor and it blows up. This kills
> the car, and all
converter, and what kind of motor controller are you using.
Damon
From: EV <ev-boun...@lists.evdl.org> on behalf of Robert Bruninga via EV
<ev@lists.evdl.org>
Sent: Thursday, December 22, 2016 7:10:20 AM
To: Electric Vehicle Discussion List
Subjec
Most EVs and Hybrids have at least three contactors. The sequence is:
* Close One battery lead and check for leakage
* Drop that relay and close the other lead with a series resistor and
check for leaks
* Bring the first one back in to power up still via the series resistor
for a few
11 matches
Mail list logo
