what is the procedure for three phase motor differential relay testing can it do with single phase test kit?

1 Answers   ABB,

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What is harmonics in AC waves. How it is generated? How it will effect the system network? how can eliminate it?

2 Answers  

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where can the transformer having vector group Yny0 be used??

0 Answers   GK Power, NEA, Petrotech,

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HOW MUCH KVA DG SET REQUIRED for charging 12v 4000 ah battery?

3 Answers  

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HOW TO SIZE THE TRANSFORMER OR WHAT ARE THE STEPS INVOLVED IN FINDING THE SIZE OF THE TRANSFORMER FOR GIVEN LOAD SAY 2000KW ?

1 Answers  

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what is the capacity of storing mass electricity.

1 Answers  

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what is green house effect?

4 Answers  

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Draw the DOL starter and star delta starter drawing?

0 Answers   Danfoss,

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why the transformer ratings in kva or mva?

4 Answers  

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Why a ballast and ignitor is required in MH and other lighting fixtures

2 Answers   Future Group,

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why in dc generator field rheostate kept in maximum position?

1 Answers  

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give me battery AH calculation in U P S

1 Answers  

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