[EVDL List]

Well my Kelly Controller came the other day and The first thing I seen to
notice is.. And tell me if I am wrong,, Do you guys use the chassis of your
cars for the ground?? I would have thought that that would have been more
dangerous than running a separate wire..
Your Commits please.


Mitchell

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[EVDL List]

On 17 Oct 2007 at 14:04, Mitch or Terri wrote:

> Kelly Controller ... chassis ... ground??

Are you saying that one side of the traction battery is grounded to the case
of the controller? That would not be a good thing, IMO.

I was under the impression that these cheapies were a Chinese knockoff of
Curtis controllers, but if I read you aright, that can't be. AFAIK, Curtis
has never built a controller in which the traction battery was tied to
ground.

David Roden - Akron, Ohio, USA
EVDL Administrator

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[EVDL List]

OK it looks like the pos lead goes to the motor and then the controller. I
was thinking that there would be both a pos and neg out from the controller
. So ok the chassis is not the ground .. The on off switching of the
controller must be done on the neg side only.
Mitchell

-------Original Message-------

From: David Roden
Date: 10/17/2007 2:14:51 PM
To: Electric Vehicle Discussion List
Subject: Re: [EVDL] Chassis Ground

On 17 Oct 2007 at 14:04, Mitch or Terri wrote:

> Kelly Controller ... Chassis ... Ground??

Are you saying that one side of the traction battery is grounded to the case

Of the controller? That would not be a good thing, IMO.

I was under the impression that these cheapies were a Chinese knockoff of
Curtis controllers, but if I read you aright, that can't be. AFAIK, Curtis
Has never built a controller in which the traction battery was tied to
Ground.

David Roden - Akron, Ohio, USA
EVDL Administrator

= = = = = = = = = = = = = = = = = = = = = = = = = = = = =
EVDL Information: http://www.evdl.org/help/
= = = = = = = = = = = = = = = = = = = = = = = = = = = = =
Note: mail sent to "evpost" or "etpost" addresses will not
Reach me. To send a private message, please obtain my
Email address from the webpage http://www.evdl.org/help/ .
= = = = = = = = = = = = = = = = = = = = = = = = = = = = =


_______________________________________________
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http://lists.sjsu.edu/mailman/listinfo/ev


_______________________________________________
For subscription options, see
http://lists.sjsu.edu/mailman/listinfo/ev