if AVR fails in D.G set, what will be the effect?

7 Answers  

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what are the compensations considered while designing a transmmision line.

1 Answers  

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what is the tolerance for the magnetic balance test conducted on the distribution transformer?

0 Answers  

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why we use REF and Differential Protection in one transformers?my doubt is both protections are operated in internal fault only.why we want to use 2 protections?please clarify.

7 Answers  

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why the earth terminal in three pin top is longer than rest of the two terminal and of bigger size?

6 Answers   BARC, MAHINDRA,

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Rules and standards of electrical control wiring ?

0 Answers  

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Why we are designed only 11Kv and 6.6Kv Alternators, not 33Kv Alternators and Power Transmission side we are designed only 220kv, 120kv, 66kv, 33kv, 11kv, and 440volts, not 20kv, 50kv, 100kv.

2 Answers  

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a 3 phase slip ring induction motor is wound for 4 poles on stator and 6 poles on rotor; when 3 phase balanced voltage source at 50 hz is applied to motor it will run at a)1500rpm b)1000rpm c)750 rpm d)zero rpm

13 Answers   Essar, PSPCL, PSTCL,

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Air circuit breaker safety

0 Answers  

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What is the Frequency while we step up the voltage from 220V to 11KV? Is it possible? Explain it?

2 Answers  

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why is efficiency of transformer more than that of other rotating machines?

1 Answers  

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why in an industry; machine having rated 200 h.p stopped after power factor is maintained above 0.97 lag by control panel in view-of energy saving

0 Answers   HCL,

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