[RE-wrenches] Braided grounding wire

[robert ellison]

Try Quick Cable, seems that they have it if I remember correctly.

Bob

On Fri, Aug 22, 2008 at 11:41 AM, <holtek at sbcglobal.net> 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)
> holtek at sbcglobal.net
>
> ----- Original Message -----
> *From:* Kurt Albershardt <info at es-ee.com>
> *To:* RE-wrenches <re-wrenches at lists.re-wrenches.org>
> *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 <
> peter.parrish at calsolareng.com> 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/>
>
>
>
>
>
>
>
> .
>
>
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