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MICHAEL

michael

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Which is the worst fault for a power sytem?

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The rating of a circuit breaker is generally determine on the basis of

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A balanced 3-phase system consists of

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When 'a' is the operator, then 1 + a + a^2 =

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When 'a' is the operator, then a^3 =

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The operation of a fistance relay is based on the measurement of any of the following EXCEPT

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In distance relay the operation depends upon

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MHO is relay used for

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Reactance relays are used for phase fault in

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The relay preferred for pgase fault along long transmission line is

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Which of the following relay has inherent directional characteristics?

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Earth faults relays are invariably

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A thermal protection circuit provides protection against

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The purpose of using reactors in electrical circuits is to

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Reactors for the protection of transmission lines are connected in

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