Answer / sudipt jena

Partial discharges often occurs near the entering of cable into a panel or electrical machines.Because at this position, the cable is stiffly bended which results stress in the insulation i.e. XLPE. And as the time passes insulation degrades leading to passing of some electrical charges from conductor to the earthed parts of the panel or machine. A humming sound is also created and is called partial discharge.

does the transmission line model also requier active power in no-load operation?

1 Answers  

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15 suspects are rounded by the police and questioned about a bank robbery. Only one of them is guilty. The suspects are made to stand in a line and each person declares that the person next to him on his right is guilty. The rightmost person is not questioned. Which of the following possibilities are true? A. All the suspects are lying. B. The leftmost suspect is guilty. B only

2 Answers   TCS,

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how to identyfy cable sizes?

4 Answers   IAF, Mylan,

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what is p.s impedance measurement test in earthing transformer?

0 Answers   Greenko,

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can we use NPT glands in LT panel

0 Answers  

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One watt is equal to how many? we says one watt bulb,means what it consume?

3 Answers  

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We are installing a 1.6 MVA transformer at our crusher plant and the feeder of HPSEBL is 2 km away at substaion . and a VCB is installed in the substaion which is 2 km away from transformer so we need another VCB near the transformer.

2 Answers   SCPL,

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A 3-phase IM is supplied from 50 Hz system. It runs at speed of 1440 rpm and slip equal to 4 %. Calculate number of pole pairs. A 1 B 6 C 2 D 3

0 Answers  

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A 400KVA ,50HZ TRANSFORMER IS TO BE OPERATED AT 50HZ.THEN KVA RATING OF THE TRANSFORMER?.

4 Answers   GATE,

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What is working Priniciple of TVSS ????

1 Answers   Emerson,

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what are factors to be consider to design a HT & LT motor?

1 Answers  

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Write a note on Treatment for electric shock.

0 Answers  

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