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Explain the process of commutation in a dc machine.

0 Answers  

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whats is the role of power factor in designing a tariff structure?

1 Answers   IIT,

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Please give me a solid reason there are 2 ELCB's If we take Phase from ELCB NO:1 an Netural from ELCB N:2 why ELCB is tripping when we connect the Load?please brief me with detail

3 Answers  

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how i calculate the syncrones generator NGR resistance .if we have a 6mw generator line voltage of generator 11kv also line current 393.3 ampere.

0 Answers  

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what are the accessories need to be added while doing estimation for the following: 1.MCCB 2.MCB 3.ACB

0 Answers  

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what will be the neutral to earth voltage while checking by the Digital multimete? and why?

1 Answers  

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can any one help me? 1.what is corona extinction voltage&corona inception volatage 2.what is mean by CFVV?

1 Answers   KSEB,

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What is difference between VCB and SF6 breaker

4 Answers  

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Why most of analog o/p devices having o/p range 4 to 20 mA and not 0 to 20 mA ?

2 Answers  

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what is automatic voltage regulator and it is used?

28 Answers   ACME, TCS,

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What is LOTO?

6 Answers  

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In ups static switch if i gives the supply at output end it will open the circuit in stactic switch or not if it will open then how it operates.

0 Answers  

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