Q.Power system stability is defined as

  • AThat attribute of the system or part of the system which enables it to develop restoring forces between the elements there of equal or greater than disturbing forces so as to restore a state of equilibrium between the elements. 
  • BThe maximum power flow possible through some particular point in the system when the entire or part of the system is disturbed.
  • CBoth (a) and (b) 
  • DNeither (a) nor (b) 
Correct Answer : (A)

That attribute of the system or part of the system which enables it to develop restoring forces between the elements there of equal or greater than disturbing forces so as to restore a state of equilibrium between the elements. 

Hints :

Power system stability is defined as that attribute of the system or part of the system which enables it to develop restoring forces between the elements there of equal or greater than disturbing forces so as to restore a state of equilibrium between the elements. 

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