The steady state stability of the power system can be increased by_____________?
Correct answer: A. connecting lines in parallel
- A. connecting lines in parallel
- B. connecting lines in series
- C. using machines of high impedance
- D. reducing the excitation of machines
- E. none of the above
Explanation
Parallel lines reduce the equivalent transfer reactance and increase the maximum power transfer, since Pmax is inversely proportional to reactance. Series connection increases reactance and reduces steady-state stability.
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