Try Quick Cable, seems that they have it if I remember correctly. Bob
On Fri, Aug 22, 2008 at 11:41 AM, <[EMAIL PROTECTED]> wrote: > Anybody know a source for braided grounding wire? Internet search > fruitless...... > > Holt E. Kelly > Holtek Fireplace & Solar Products > 500 Jewell Dr. > Waco,Tx. 76712 > 254-751-9111 > 254-228-9621 (cell) > [EMAIL PROTECTED] > > ----- Original Message ----- > *From:* Kurt Albershardt <[EMAIL PROTECTED]> > *To:* RE-wrenches <[email protected]> > *Sent:* Friday, August 22, 2008 12:57 AM > *Subject:* Re: [RE-wrenches] motor starting issues (was: offgrid > systemquestion) > > --On Tuesday, August 19, 2008 7:57 AM -0700 Peter Parrish < > [EMAIL PROTECTED]> wrote: > > > > Any motor will need both a voltage and current to operate properly, and > they tend to draw more and more current as the source (inverter) voltage > drops. > > > Back to basic physics: > > Depending on design, electric motors can be constant power or constant > torque (or some combination of two) devices. > > Three phase AC motors are generally simpler in design and better behaved > than either either single phase AC motors or DC motors. Permanent magnet > synchronous 3Ø AC motors (available now) closely approach the theoretical > limits of electromechanical motor systems in general. > > Modern power electronics and control systems give us essentially perfect > control of voltage, current, and frequency in AC systems. > > Intelligently combining the above allows us to design efficient > electromechanical systems which match nearly any complex supply impedance. > These systems also happen to live longer, fail less often, and reduce both > battery bank and inverter requirements. > > The market (arguably free on so many levels, and obviously not on so many > others) can address this using current technology. System sizing math not > has changed fundamentally in several decades but we are getting closer to > those fundamental limits. > > Industrial systems are a bit ahead of the consumer market in some areas but > behind in others. As one very basic example, Turbocor's maglev compressor > has created a few waves in the commercial and light industrial sector but I > fully expect some fascinating trickle-down benefits over next few years < > http://www.turbocor.com/products_technology/> > > > > > > > > . > > > _______________________________________________ > List sponsored by Home Power magazine > > [email protected] > > http://lists.re-wrenches.org/listinfo.cgi/re-wrenches-re-wrenches.org > > List rules & etiquette: > http://www.re-wrenches.org/etiquette.htm > > Check out participant bios: > www.members.re-wrenches.org > > > _______________________________________________ > List sponsored by Home Power magazine > > [email protected] > > http://lists.re-wrenches.org/listinfo.cgi/re-wrenches-re-wrenches.org > > List rules & etiquette: > http://www.re-wrenches.org/etiquette.htm > > Check out participant bios: > www.members.re-wrenches.org > > >
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