Transcription of POWER SYSTEM STABILITY - College of Engineering and ...
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POWER SYSTEM STABILITY LESSON SUMMARY-1:- 1. Introduction 2. Classification of POWER SYSTEM STABILITY 3. Dynamic Equation of synchronous machine POWER SYSTEM STABILITY involves the study of the dynamics of the POWER SYSTEM under disturbances. POWER SYSTEM STABILITY implies that its ability to return to normal or stable operation after having been subjected to some form of disturbances. From the classical point of view POWER SYSTEM instability can be seen as loss of synchronism ( , some synchronous machines going out of step) when the SYSTEM is subjected to a particular disturbance.
2. Multi machine system 3. Machines swinging in unison or coherently 4. Examples Swing Equation:- GENERATOR Pe Tm Ws Te Pm (Fig.-1 Flow of power in a synchronous generator) Consider a synchronous generator developing an electromagnetic torque T e (and a corresponding electromagnetic power P e) while operating at the synchronous speed w s.
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