what is thermal setting and magnetical setting?

1 Answers  

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Tell me harmfull effects of over voltage,under voltage,spike,surge,transient & noise.

1 Answers  

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What is the problem of internal failure in ship engine telegraph system norcontrol?

0 Answers   SAR,

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I need bhel previous year quetion papers for electrical engineering department.I searched but i could not find out

0 Answers  

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Could explain briefly of over excitation in transformer.

2 Answers   NCC,

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how many types of motor can be used in washing machine

0 Answers  

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In more then 1 phase bulb will glow are not?if yes then how it will glow?

2 Answers  

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An 11kv system consisting of an underground cable to a sub station about 300 meters away was shut down for about 10 hrs. On energising, it tripped off on earth fault about 10---20 mins later 6 times but since than it is not tripping.its already 3 weeks now. The SPAJ was found to be fine. what could be the cause.No test had been done to determine the cause of the trippings till now because of demand.

2 Answers  

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Dear sir, In our plant have Station Transformer having capacity,i want to know, why LV side 40 - 40MVA is given? & how we can get 6.3 KV supply from tertiary(i.e. Open delta connection), Vector Group YNyn0 - yn0 +d MVA Rating 80MVA / 40 - 40MVA + 26.7MVA Voltage rating 420 (Tap range +6,to -10)81.25% /11.5KV - 11.5KV +6.3KV

0 Answers   Bhel,

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why ss stablity limit is more transient stablity limit?

0 Answers   IOCL,

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What is WLD System????

3 Answers   Emerson, HCL, Honeywell, Tata Communications,

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what is prniciple of three phase IM?

3 Answers  

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