What is vector group? What is meant by DYN11?Why is it needed?

13 Answers   Areva, Bhel, BRG, Escorts, Fortis,

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I have 380.KVA Volva Penta DG set. Tell me how to calculate units from KWH reading....

3 Answers  

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What is the role of power pack in substation protection system?

0 Answers   Facor,

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what's the activities of reactor in Buchholz relay?

1 Answers   Yahoo,

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How do we calculate the Out put voltage of generator, after the excitation is being given?

0 Answers  

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I am having dual speed motor of cromton greaves make of 3.7 KW -1400 rpm and 5 KW - 900 rpm. Please let me know groups and winding connction for rewinding purpose.

0 Answers  

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SSC JE ELECT.

1 Answers   CPWD, SSC,

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What is the difference between synchronous asynchronous memory?

1 Answers  

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Transformer calculation

1 Answers   Aramco, LMW Lakshmi Machine Works Limited,

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an electric bulb is connected on a holder. one end of the wire is connected to the phase and the remaining one connected to earth instead of neutral. the bulb will glow or not? if yes then what is the need of neutral?

7 Answers  

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substation+ plc system

0 Answers  

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sir what is the purpose of SF6 in HT breaker and what is the pressure should be maintain in the breaker?

2 Answers   Kirloskar,

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