The Back EMF is a constant resistance given a constant RPM on a series wound motor and does not pulse.
In order to get the resistive effect to fade requires more battery voltage. That is why higher voltage battery packs have become popular. It takes the same amount of motor loop power to do the same work and since the battery voltage is higher, the battery current is less. Joe Smalley Rural Kitsap County WA Fiesta 48 volts NEDRA 48 volt street conversion record holder [EMAIL PROTECTED] ----- Original Message ----- From: "Sam Uzi" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Saturday, September 28, 2002 12:58 PM Subject: Re: How much power am I losing? > > The motor continues to accelerate so the Back EMF continues to go up > > and the current draw starts dropping. > > I will go ahead and ask what is probably yet another very stupid question, > but > > is it not possible to somehow "mirror" the back EMF pulse(s) so that their > resistive effect fades? (much like inverse-wave noise-cancelling) > > I'm guessing that even if it is possible, the energy budget required to > do it would exceed the recovered losses, in any case > > ...sorry, had to ask... >
