Why reactive power is needed in a power system? How is it being absorbed or delivered by alternators? For reactive power control we are changing excitation but reactive power absorbing or delivering related to stator. How these two are interlinked? i want a detailed explanation with necessary expressions and figures?
1923if field breaker of generator is closed prior to its rated speed on a power generating unit. what will be the effect on generator, unit transformer and starting transformer.
1757What is the role of the 50 STUB protection at a GIS 400KV substation with SIEMENS protection relays?
2043Post New Power Plant Electrical Engineering Interview Questions
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