in railways why we use the power in 10,20 30kv,why not in the multiple of 11kv

2 Answers  

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How to decide no. of Step and Kvar for APFC Panel 40 kvar MD: 33.12 KVA Avg pf : 0.8540

0 Answers  

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Difference between MCC and PDB

3 Answers   BARC, CDS, NINL,

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The advantage of free wheeling diode in a Full Ware rectifier is -reduces the harmonics -Supplies the voltage at negative vlotage

4 Answers   GNFC,

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What is mean by spike arrester(Voltage Operated)

0 Answers   Siemens,

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I want to know the 'Test voltage' for Tandelta testing of 3.3 / 6.6 / 11 KV Motors. Please explain

0 Answers  

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in soft starter system for 375 KW 3 ph induction motor for multi stage vertical pump, two thyristers failed causing shorting of thyrister. the motor winding failed while starting.What is the cause and what is the effect in above case

1 Answers   KPCL,

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IN CABLE TRENCH WHY FILL UP THE SAND. AND WHAT IS THE DIFFERENCE BETWEEN OVER HEAD AND UNDER GROUND LAYING THE CABLES

2 Answers   Cable Wireless,

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How much UG cable size should i use so as to accomodate a ground + 2floors house. A 1.5ton AC & geysers(2) in each floor with lightings

2 Answers  

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why the NGR (neutral grounding resistor) always OFF during DG off?

0 Answers   Bhel,

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what is the RESTART INHIBIT protection?

1 Answers   Thermax,

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How to decide the size of the capacitor for a single phase induction motor say 2 HP ??

0 Answers  

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