why plc need seprate earthing?

2 Answers   ABB, Whirlpool,

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what is the capacitance of a single conductor

6 Answers   Bhel,

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Load transfer in 11kv double busbar switchgear - operation.

0 Answers   KSEB, L&T, Siemens,

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hi i m going to attend bhel interview on 22nd sep 2008 for ET(electrical engineering).pls guide me how to prepare for the interview.i am a fresher.

1 Answers   Bhel,

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what will happen if we will not use commutater means if we will give dc to the windings in dc motor

1 Answers  

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Give me check-list for electrical preventive maintenance of machine tool.

1 Answers  

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Why to keep capacitor bank off while generator running.

0 Answers   GIT,

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Is there any capacitor in 3-phase IM?why,xplain.

2 Answers  

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what is the difference between an alternator and a synchronous motor

0 Answers  

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What is polar plot?

0 Answers  

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what is the maintaining Cf in UPS.

0 Answers   Enercon,

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why maintain the Dg PF is 0.8? Explain?

4 Answers  

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