Re: this regen thing again

["steve.richardson" <steve.richardson@cwix.com>]

Hello Lee;

Thanks for the input.  Do you mean switch a resistor across the field
without disconnecting from the armature, or switch it out of the motor
circuit and then across a resistor ?

Thanks

Steve


-----Original Message-----
From: LEE A HART <XURQ03A@prodigy.com>
To: ev@listproc.sjsu.edu <ev@listproc.sjsu.edu>
Date: Sunday, January 31, 1999 10:45 AM
Subject: Re: this regen thing again


>Steve Richardson wrote:
>> can't add alternator, dynamic brake, or other motor attached device...
>
>First, let me compliment you on a fantastic first EV! Your pickup sounds
like
>a real winner!
>
>Dynamic brakes use the existing traction motor. They just dump the energy
into
>resistors instead of batteries. Resistors don't care what the voltage is,
so
>you need less sophisticated circuitry.
>
>Crudely speaking, switch a resistor across that Kostov and you'll have all
the
>braking you could ever want! The value of the resistor determines the
braking
>force. You may want several values (selectable with contactors) because the
>current (and thus braking force) varies with motor speed.
>
>Lee Hart                     If you would not be forgotten
>4209 France Ave. N.          Soon as you are dead and rotten
>Robbinsdale, MN 55422 USA    Either write things worth the reading
>phone (612) 533-3226         Or do things worthy of the writing
>e-mail XURQ03A@prodigy.com   (Ben Franklin, Poor Richard's Almanac)
>
>