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Power System Loading ~ Generator AVR Response

Power System Loading ~ Generator AVR Response

Power System Loading ~ Generator AVR Response

(OP)
How will the power system loading affect a generator's AVR repsonse?

By loading, i mean depressed voltages and sudden downward changes in it. Generator running at max load with max permissible reactive power delivery.

To rephrase the question:

When a power system / grid is heavily loaded and also unstable, does it change the dynamics of the system in a way that AVR / AQR and PSS of generator need retuning. Will retuning of AVR , AQR and PSS will help?

I will really appreciate any recommended industrial practices or Standards or Manufacturers document establishing the fact.

Thanks in advance.

Olicg

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