Why design 150Hz in Exciter

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a)In a 3-phase 4-wire circuit, a circuit breaker is selected to protect the circuit whose highest fault level is 6.6 MVA. Determine the required minimum breaking capacity in kA. (Note: Covert 3-phase power in terms of kA to find answer.) b)Using the below, determine the required minimum making capacity in kA as a “peak value”. Rate breaking capacity (Icn) ka: Icn<= 1.5 Factor = 1.41 1.5

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why grid frequency varry time to time?

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hii.i am a B.TECH(EEE) graduate.i want 2 know wat type of qusns r asked in sbi clerk interview 2 candidates like me??kindly post answers ASAP..

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what is function of centrifugal switch in single phase induction motor..?

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How to select the ratio of neutral ct? Is there any relation in between percentage impedance and neutral ct ratio ?

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what is inrush curent.

5 Answers   BARC,

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1KVA transformer of different frequencies of 50hz,100hz,500hz&1000hz. which one of these transformer has big size? Give reason

16 Answers   Ecil, Engineers India, MahaDiscom,

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Igfet is a

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how to calculate the lightning arrester conductor @ no of earth pits required

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What is meant by inverse definite mean time (IDMT)& definitemean time (DMT)?

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how to select a air/vacuum circuit breaker.is there any thumb rule???

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