cost per kWh [RE-wrenches]

[Bill Brooks]

Todd,

This is referring to the adjustment of PWM angle in the tech menus on old
ETL listing SW inverters. There were several discussion a long time back
about this and I can dig the info up off line if you like. I have heard it
suggested that making this adjustment may change the anti-islanding
characteristics of the unit. I have no data to confirm or deny it. I have my
doubts. If that was truly the anti-islanding method, I would want to have a
word with the designer on that one because it makes no sense.

Bill.

-----Original Message-----
From: Todd Cory, Mt. Shasta Energy Services
[mailto:toddcory at finestplanet.com]
Sent: Monday, June 02, 2003 6:28 PM
To: RE-wrenches at topica.com
Subject: Re: cost per kWh [RE-wrenches]


Bill,

Can you elaborate on this point:

Todd


Bill Brooks wrote:

> I know getting rid of the current
> sloshing in the inverter boosted the inverter efficiency 8-10 percentage
> points (I'm blissfully ignorant of any anti-islanding detection impacts).

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