DGVCL Exam Paper (11-12-2011)
The transient stability of a power system can be improved by

Increasing the turbine valve opening
Single pole switching of circuit breakers
Excitation control
Phase shifting transformer

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DGVCL Exam Paper (11-12-2011)
The corona effect can be minimized by increasing

Both spacing between the conductors and diameter of the conductor
The length of the conductor
Spacing between the conductors
Diameter of the conductor

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