[RE-wrenches] Hawaii Frequency Settings

[Mark Frye]

Folks,

 

I was told that because the HI grid has poor frequency control, grid-tied
inverters have to have their low frequency limit set to 57 Hz so they can
ride out the worst low frequency events.

 

I find it hard to believe that this has been done for every single inverter
installed in HI.

 

But, what do I know.

 

Can anyone shed some light on this?

 

Thanks,

 

Mark Frye

Berkeley Solar Electric Systems

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