what is importance of ka in mccb

2 Answers   ABB,

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In synchronous motor, how the field current is related to armature current..i know its inversely proportional..but concept wise...i was nt clear....pls help me...

0 Answers   Siemens,

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There is one 40MVA oil cooled transformer (yet to commission), filled with 95% oil and we are trying to fill 5% Nytrogen in that transformer so that there should not be any foreign component inside. But even though there is no leakage, nytrogen is not withstanding inside transformer, within a day or two pressure guage is showing 0. Why is it soooo? Pls reply.

1 Answers  

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To prevent the mal operation of a differentially connected relay while energizing a transformer, the relay restraining coil is baised with (a)second harmonic current (b)fifth harmonic current (c)third harmonic current (d)seventh harmonic current

2 Answers  

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suppose i have two single and three phase induction motor,thier have not any rating on its panel,anybody can tell me which motor is single or three phase?

1 Answers   Doon,

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WHERE NEUTRAL WIRE IS CONNECTED AT DOMESTIC TO TRANSMISSION LINE(SINGLE PHASE TO THREE PHASE)

0 Answers  

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What is the bundle conductor?

0 Answers  

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orifice sizing how done, checking & selection

0 Answers  

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How to calculate the Short Circuit Impedance in Transformer?

3 Answers  

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why ceiling fan give hising sound

2 Answers  

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What are the different losses In a de mac1une'! t.xplam

0 Answers  

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What types of question are done for diploma students in aptitude test

0 Answers  

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