What are the causes of generator oscillation?

Answer: A. Static stability damage, mainly due to the change of working method or fault point excision time is too long;

B. Sudden increase of impedance in combination of generator and system;

C. Power mutation in the power system causes severe imbalance between supply and demand;

D. Reactive power in the power system is severely insufficient, and voltage drops suddenly;

E. Generator governor malfunction.

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