SW Efficiency/ PWM Angle Adjustment [RE-wrenches]

[Drake Chamberlin - Electrical Energy]

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Hi Bill,

Thanks for your good explanation.  Out of phase current rushes through the 
resistance of the windings and gives off heat at the zero crossing point of 
the utility.  The impulses are out of phase.

It would seem like we would lose out on the power factor also when the wave 
forms from the utility and inverter don't match up?  Isn't there imaginary 
power (VAR) running around in the system?

Drake

At 07:05 PM 09/19/2001 -0400, you wrote:
>In a message dated 09/19/2001 3:13:22 PM Pacific Daylight Time, 
>billbrooks7 at earthlink.net writes:
>
>
>>That's what makes life
>>interesting. I learned volumes from this one incident.
>
>
>Bill, Your explanation is very clear and lucid. Thanks
>
>Don
>
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