what causes contact chatter when there is no demand on the air conditioning unit?

0 Answers  

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Is it mandatory statutory requirement of transformer oil filtration annualy despite oil is withstanding required dieelectrical strenth and all others parameters

5 Answers  

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what is difference Auto-transformer and ICT ?

1 Answers   CG, Descon,

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Why is it prefer to initiate circuit breaker failure by "86" lockout relay not by "94" tripping relay ?!

0 Answers   OEG,

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What are the different condition monitoring techniques for a motor?

1 Answers   DAE,

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What is the function of under voltage release ?

0 Answers  

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What difference between ref protection and differential protection ?

0 Answers   EPC, INEL Power System Engineers,

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what is phase angle ? and also tells me why my phase-phase voltages are 390 rather then my single phase voltages are 221 and 223 respectivly?

2 Answers  

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with help of neat sketch explain principle of TIG welding process

0 Answers  

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Which phase is prefered for connecting 1phase vt used for synchronism in an OHL? why?

1 Answers   Siemens,

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what is eddy current loss?

3 Answers  

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what is mean by descripiency relay? & wht is its ansi code?

0 Answers  

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