Trending Power Management Discussions

What is the power factor of a 3 phase induction motor operating at no load and connected to rated voltage?‎

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42

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The main drawback(s) of underground system over overhead system is/are-?‎

The main drawback(s) of underground system over overhead system is/are- A. Exposure to lighting B. Heavy initial cost C. Exposure to atmospheric hazards such as smoke,‎ ... See More

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7

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299

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Why Delta Star transformers are used for Lighting loads?‎

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6

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399

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What is HCT and LLOP? Why is a DG set to stop automatically by PMU under HCT and LLOP alarms on cellular towers? What do these alarms indicate? ‎

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A buchholz relay is used for:?‎

A. Protection of a transformer against all internal faults  B. protection of a transformer against all external faults C. both1 and2 D. niether1 nor2‎

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Why open access in Transmission is necessary?‎

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73

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What is meant by knee point voltage of a current transformer?‎

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3

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What is the difference between Synchronous generator and Asynchronous generator?‎

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3

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By increasing the transmission voltage to double of its original value the same power can be dispatched keeping the line loss-?‎

  A. Equal to original value B. Half the original value C. Double the original value D. One fourth of original value‎

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2

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17

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A heat recovery steam generator is used with (a) gas turbines (b) steam turbines (c) back pressure turbines (d) condensing turbines?‎

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