Answer / khamesra.amit

PD is localised discharge which happens within the insulation because of small air pockets formed during winding insulation is being done in workshop. A Ultra high frequency signal is injected at the terminals which detects the frequeny and magnitude of electrical dischages. These values halps us in dentifying healthiness of insulation of the equipment.

Is there any Institution for giving M-tech in Electrical engineering for those who r in service? Give the details please.

0 Answers   CB&I Lummus,

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What is the reactive power and how to control the reactive power in power plant

14 Answers  

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Which Machine u will prefer to use at a place where flammable gases are coming out & why ?

4 Answers   NTPC,

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Draw the wave shape of armature current in a generator subjected to a sudden three phase short- circuit at its terminals. Define various reactance of generator from this wave shape.

0 Answers   VECL,

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how to test a motor from megger

5 Answers   JSW,

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How many Cylinders are there in Diesel Generator?

4 Answers  

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What are options used for earthing the switchgear.

0 Answers   KSEB, L&T, Siemens,

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Is there any local or International standards that prohibit the installation of earthing pit in the planters area where the earthing pit is subject to continues soak in water?

1 Answers  

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what is the best electrical system i.e substation sytem of 11kv/.433kv for a township. if township have 300nos substation of 11kv. we have to go G.O.D.O. fuse unit or Compact Substation Unit. please reply Asap.

2 Answers  

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what does the transformer connection symbol YNaod1 mean ?

3 Answers  

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1)what is hypo test. 2) which cable need to hypo test.3) when hypo test can be done before or after glanding.4) what is the purpose of hypo test.

5 Answers  

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What is the efficiency during maximum power transfer?

0 Answers  

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