what is different between IP55,IP54 and IP66?

2 Answers   ABB, Global Industries,

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If a three phased motor or not working phased change on poles so how to find which one red yallow & blue

1 Answers  

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Sir Power transformer :- (in generating station) Alternator terminals side - Delta HT transmission line side - Star Why?

4 Answers   Kirloskar,

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in a transmission line the aluminium cor is sarrounded and in between there is a another type of matrial what is that?

7 Answers  

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Is there any abbrevation for STUB in Stub bus protection

0 Answers  

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HOW DOES THE ELECTRONIC ENERGY METER WORKS?

0 Answers   Core Solutions,

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what topics we have to concentrate for power grid et.written test.and tell what to read for english synonyms and antonyms.

0 Answers  

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Dear Sir how much cable size required from 0.75 kw to 50 kw for electric motor or pump

1 Answers  

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how capacitor can split the phase.

1 Answers  

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A 400KVA Transformer has 400Hz frequency.if frequency is changed to 50Hz,then what will be the new KVA rating?

2 Answers   ABC,

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i am going to give the JSEB,RANCHI exam for power plant,so i need some samples of papers related to that,so please send me these papers by my mail id.

0 Answers  

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what is the ohmic value of transformers

1 Answers  

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