Bizarre clock behavior [RE-wrenches]

[Brian Wiley]

Hi Andrew,

Most inverters have some distortion in the current delivered, which is 
used for anti-islanding.  My guess is the clock is counting extra zero 
crossings in the utility voltage due to the distortion.


Best Regards,
Brian Wiley
Wiley Electronics LLC

Andrew Truitt wrote:
> 
> We have a customer whose clock radio is running fast by about 5-7
> minutes per day - but only while the sun is shinning - ever since we
> commissioned his 2.3kW Sunpower PV system.  The more power he makes
> the faster the clock goes.  My only thought is that the clock has such
> low resistance that a little extra current is running through it as
> power is being pushed onto the grid.
> 
> Any thoughts?
> 
> 
> Andrew Truitt
> Standard Solar Inc.
> 
> 
> 
> 
> -- 
> "Don't get me wrong: I love nuclear energy! It's just that I prefer
> fusion to fission. And it just so happens that there's an enormous
> fusion reactor safely banked a few million miles from us. It delivers
> more than we could ever use in just about 8 minutes. And it's
> wireless!"
> 
> ~William McDonough


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