Answer / usman memon

an unbalancing current will flow through the phases.

Answer / salma.n

if you don't ground the neutral then the neutral & hot legs
could rise to any arbitrary..

Wat is the best to use in a generator a 6.5kva or a 7 kw

4 Answers  

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why we use only sine wave in ac why we do not use other wave forms

21 Answers   BARC, NTPC,

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what kind of material to be used after ngr unit? cu or GI

1 Answers   Michelin,

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while calculating the power absorbed by a resistor connected to the output of a half wave rectifier circuit should we use rms or average current? explain with reason.

1 Answers   Vedanta,

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how does damper winding produces torque in synchronous motor?

1 Answers  

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What is the problem, if a circuit breaker is not closing.

4 Answers   KSEB, L&T, Siemens,

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How can calculate the earthing strip of Copper/GI for rating of 30kV,discharge current 10KA Lightning arrester.

0 Answers   Raychem RPG,

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1. what is the meaning of bus? 2. what is the dc transformer? How it work 3.what is the function of the serge absorber? 4.How the CT and PT rating calculate/

1 Answers  

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Why current transformers are rated in BURDEN instead of VA?

4 Answers   Bhel,

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what is the formula of starting current of 3phase and 1 phase motor???

0 Answers   L&T, WFP,

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How to take the Vector Group Test in Transformer? What is the purpose of doing Vector Group Test?

3 Answers  

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IN MY SYSTEM THERE IS ONLY OVER CURRENT EARTH FAULT RELAY IS AVAILABLE. FOR THE UNBALANCE SENSING IS THERE ANY RELAY IS AVAILABLE? THE SAME CTs WHICH ARE USED FOR THE OVER CURRENT EARTH FAULT RELAY CAN USE FOR UNBALANCE ALSO?

2 Answers  

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