Power system area has 4 (four) generators working together under governor control. The load frequency variation factor "D" for the area is 300 MW/Hz. The unit details are as given: Gen 1: Generator rating 200 MW; Generator droop 2% Gen 2: Generator rating 400 MW; Generator droop 4% Gen 3: Generator rating 500 MW; Generator droop 2.5% Gen 4: Generator rating 600 MW; Generator droop 5% A). Calculate total generation load change for 0.2 Hz of frequency change If there is a load increase of 300 MW in the system. B) Calculate the frequency change and mention if it is an increase or decrease of frequency. c) Calculate the generation increase/decrease in each of the generators.

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Power system area has 4 (four) generators working together under governor control.
The load frequency variation factor "D" for the area is 300 MW/Hz.
The unit details are as given:
Gen 1: Generator rating 200 MW; Generator droop 2%
Gen 2: Generator rating 400 MW; Generator droop 4%
Gen 3: Generator rating 500 MW; Generator droop 2.5%
Gen 4: Generator rating 600 MW; Generator droop 5%
A). Calculate total generation load change for 0.2 Hz of frequency change
If there is a load increase of 300 MW in the system.
B) Calculate the frequency change and mention if it is an increase or decrease of
frequency.
c) Calculate the generation increase/decrease in each of the generators.
Transcribed Image Text:Jiew Help Power system area has 4 (four) generators working together under governor control. The load frequency variation factor "D" for the area is 300 MW/Hz. The unit details are as given: Gen 1: Generator rating 200 MW; Generator droop 2% Gen 2: Generator rating 400 MW; Generator droop 4% Gen 3: Generator rating 500 MW; Generator droop 2.5% Gen 4: Generator rating 600 MW; Generator droop 5% A). Calculate total generation load change for 0.2 Hz of frequency change If there is a load increase of 300 MW in the system. B) Calculate the frequency change and mention if it is an increase or decrease of frequency. c) Calculate the generation increase/decrease in each of the generators.
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