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ksatpathi
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Join Date: Nov 2011
Posts: 11

Reactive Power

03/04/2012 5:00 AM

1. When does a generator connected to an infinite bus bar imports reactive power?
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electricalexpert65
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#1

Re: Reactive Power

03/04/2012 7:17 AM

During loss of excitation
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RAMConsult
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Engineering Fields - Power Engineering - New Member

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#2

Re: Reactive Power

03/04/2012 10:12 AM

Any time the excitation is set so that the generator is operating below unity power factor; i.e., in the lagging power factor area of its capability curve. Loss of excitation is the extreme condition and quickly leads to instability and loss of synchronization with the grid.

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