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Load Flow Analysis

Quick practice

Question 1 of 5

The inertia constant and the time delay of the 100 MVA, 50Hz alternator operating at full load is H=4 MWsec/MVA and 0.5 s respectively. If one of the transmission lines is tripped, the output of the generator is reduced to 70 MW. What will then be the value of the frequency deviation in Hz? 

A

0.582 Hz

B

0.928 Hz

C

0.782 Hz

D

0.628 Hz

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