Why air circuit breaker off due to power failure?

0 Answers  

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What is vaccum currcuit breaker.define with cause and where be use it device?

0 Answers  

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What is Earthing?

16 Answers   Essar,

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How can we select a capacitor Bank.? i need a standard formula for that.?

3 Answers   ABB, Ace Info, HAL, IKK, MahaGenco,

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Which machine u will prefer to use at where flameble gases are comming out & why?

1 Answers   NTPC,

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3ph motor running with unequal kw and different pf what are the reasons

0 Answers   UltraTech,

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you have an automatic voltage regulator at home for your appliances,if the voltage in your area drops from 220v to 190v,does the output of the automatic voltage regulator drops?or does it retains the 220v output?

4 Answers  

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Practical condition in 400KV Sub station:- Breaker(open) , isolator(open), Earthing (close) at both end e.g A & B. Now Open A Stn Earthing than Open B stn Earthing (Which have a 50MVA reactor) , AND suddenly show R,Y,B phase 704KV,573KV,118KV respectively. Que is without closing of breaker how it is possible.???? My Whats app No:07621840498 for Further Discussion. Pls experts suggest.

0 Answers  

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Why the efficiency of a three-phase induction is the motor is less than that of a three-phase transformer?

0 Answers  

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how to select the power contactor in Diffrent AC motors.

6 Answers   Titan,

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1. what type of winding of slip ring ac induction motor rotor and why. 2. how the heating element use in two phase (415 volt)and what rating of element, you prefered.

1 Answers   Simbhaoli Sugars,

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how can we choose the size of road crossing pipe for power cables

2 Answers   DLF,

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