How can a transformer test by megger?

1 Answers   Bosch,

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why are you use the crgo core lamination in transformer

6 Answers  

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how the vaccum ckt breaker workes..? how the arc is quenching in it?

1 Answers  

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If any HVDC line is going with positive & negative(the negative usually have return path of current with earthing electrode). Now the question is if this HVDC earthed electrode which is using as return path and earthed any nearby 400kv or 220kv AC substation equipments. which will be the impact of this on AC substation & its equipment, how severe may be this and what should be the minimum distance require between HVDC earthed electrode and AC substation equipments? It's really an high engineering level question...Dare to answer and increase your knowledge.

0 Answers   MEIL,

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why there is a humming noise in transformer

8 Answers   Bhel,

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A synchronous motor is operating at a leading power factor .if the applied voltage is decreases ,(the excitation remains constant ) ,the motor current a)increases b) decreases c)remains same d) none of these

2 Answers  

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why commutator are not used in rectification purpose in power electronics?

1 Answers  

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why skin effect is decreases with decrease with frequency? why skin effect occur

5 Answers   Kirloskar,

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what do you call the last pole on a overhead line near a substation

2 Answers  

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why voltage ratings of xmission are in 11, 33,66kv and why not 11.5 ,16,19 or any other

2 Answers   HCL,

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How many VSC based HVDC are there in India and the world

0 Answers  

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where does core based current transformer is used? and what is the value of lux in a work station?

1 Answers   Space Matrix,

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