what is a pf factor in generator.

3 Answers   CSEB,

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how to select battery for 15 KVA UPS with formula

0 Answers  

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Can we use delta-star neutral grounded 3 phase power transformer bi-directionally.

2 Answers   GMR,

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I have recently seen a transformer which had two primary terminals and was connected between two lines,i would like to know what kind of transformer is it?short discription about it,any advantages,purpose of usage of the same.............

8 Answers  

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why ELCB can't work if N input of ELCB do not connect to ground?

5 Answers  

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1.What is effect of capitance in transmission line? 2. After raising the voltage at receiving end what will be happen? 3.how we nullify or control the raised voltage at receiving end?

3 Answers   NTPC,

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Difference between hopkinson and swinburne's test

1 Answers  

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Capacitor panel CT is normally fixed on Y phase of the main panel.why???

3 Answers  

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does buccholz in a transformer use batteries

2 Answers  

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wht factor are considered to design ACB( air Circuit reaker) 415V

3 Answers  

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WE HAVE A LOAD OF 55KW MOTOR ITS VOLTS 380 3PH AND ITS TAKING 100AMPS (ITS FULL LOAD IS 105AMPS)AND ITS CABLE IS 4CX50SQMM ,NOW ITS GETTING ABNORMAL HEATUP IN CABLE,PLZ TELL WHY ITS HEAT-UP?(CABLE LENGTH IS 15 METERS ONLY)

10 Answers  

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is there or does RCCB work for single phase connection?

2 Answers  

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