What is the purpose of Rotor earth fault relay and How to test the Rotor earth fault relay in generators and What is the procedure?.

1 Answers  

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In a overhead system why the voltage between line &ground is taken for basic comparison ?and in case of underground cables the comparison take only by the voltage between cables?

1 Answers   L&T,

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What is BKW of Motor. And what its significance

1 Answers   CGL, PK, Thermax,

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In Indian Household, generally we receive 220V AC single phase supply. But AC has 2 phases, +ve & -ve. So in +ve half cycle current is flowing...so what happens in the -ve half cycle?? Please illustrate.

0 Answers  

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what is difference between vaccum circuit breaker and air circuit breaker?

2 Answers  

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what voltage generated earth tester meter when we testing the Earth point ?

1 Answers   Cognizant, CTS,

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what is mean by parallel operation of permanent magnet generators

0 Answers   PSD,

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How can we measure the residual voltage in dc machines?

0 Answers   GPREC,

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How to calculate phase to phase difference ?

0 Answers  

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In a Synchronous generator, Can AC voltage be used instead of DC voltage in field winding of rotor to produce AC power?

10 Answers   NTPC, Windia,

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Comment on the working principle of operation of a single-phase transformer.

0 Answers  

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how to conduct dc resistance test for rotor of an alternator and how to measure the rotor dc resistance value theoritically?

0 Answers  

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