;mailto:ev-requ...@lists.evdl.org>
Sent: Friday, August 22, 2014 4:34 PM
Subject: Re: [EVDL] Conversion advice (regen)
> From: Lee Hart via EV mailto:ev@lists.evdl.org>>
>
> An easy way to get modest "engine braking" style regen is to add a
> second small generat
From: Lee Hart via EV
>When you increase the voltage, you reduce the current proportionately.
>I.e. a 12v 100amp alternator becomes a 120v 10amp alternator. Rather
>than use the special oddball automotive diode packages, just bring out
>the 3 phase wires, and use an external bridge rectifier. It's
Jan Steinman via EV wrote:
I have a friend who owns a motor service/rewinding shop. He says it
would be cost-prohibative to do so, if you had to pay someone to do
it.
I'm sure that would be the case. If shop time is $100/hour and it took 4
hours, the rewind would cost $400. Nobody will pay that
> From: Lee Hart via EV
>
> An easy way to get modest "engine braking" style regen is to add a
> second small generator, optimized for regen. This can be as simple as
> rewinding the stock ICE alternator to work as a high voltage generator.
I have a friend who owns a motor service/rewinding sh
Ben Goren via EV wrote:
once I started driving it, I realized I hardly ever used the
brakes... the amount from regen is not worth it (I am going on the
assumption that regen in DC traction motors causes undue arcing of
the commutator...)
A DC motor needs to be designed with regen in mind. The o
oren via EV"
> To: "Robert Bruninga" ; "Electric Vehicle Discussion
> List"
> Sent: 11-Aug-14 12:59:19 PM
> Subject: Re: [EVDL] Conversion advice (regen)
>
> On Aug 11, 2014, at 12:49 PM, Robert Bruninga via EV
>> wrote:
>>
>> As for re
ga" ; "Electric Vehicle Discussion
List"
Sent: 11-Aug-14 12:59:19 PM
Subject: Re: [EVDL] Conversion advice (regen)
On Aug 11, 2014, at 12:49 PM, Robert Bruninga via EV
wrote:
As for regen, the efficiency improvement you get over DC will
vary...
Typically the improvement is small
On Aug 11, 2014, at 12:49 PM, Robert Bruninga via EV wrote:
>> As for regen, the efficiency improvement you get over DC will vary...
>> Typically the improvement is small, because you just don't spend
>> that much time braking. ... Learn to make use of coasting and
>> you can probably match the
> As for regen, the efficiency improvement you get over DC will vary...
> Typically the improvement is small, because you just don't spend
> that much time braking. ... Learn to make use of coasting and
> you can probably match the range improvement of regen.
Amen. With my CITY car I agonized o
