when ID fan will immediately stop through VFD what exactly cause and problem the ID fan

0 Answers  

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what is meant by line voltage and phase voltage in a three phase transformer?

2 Answers  

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in star connected 4wired transmission system ,what happen if the neutral is grounded . or not grounded. which is significant and y

2 Answers  

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one conductor length is L.and i am strech uniformly this conductor and made length is 2L.so resistance of this strech conductor is R=4R..but i want to know about area of stech conductor hows it become a/2..

0 Answers   Infosys, ME,

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What can be a rating of a transformer(KVA) if the load is about 1000KW?illustrate by showing formula?

2 Answers  

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i have 28/32 MVA power transformer with 11/6.6 KC voltage rating and 12%impedance.it have star connection at both side.but it have another thied winding tertiary winding.what is used of this winding. pl tell me

7 Answers  

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what is meant by skin effect ?

3 Answers  

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I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?

0 Answers  

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why voltage rating not mention at HPSV or HPMV lamps?

2 Answers   OPS,

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What is a current transformer?

2 Answers   KEPL,

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What is eddy current & eddy current loss ?

2 Answers  

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how fault in an electric system is detected & hw protection of equipments is done ?

6 Answers   NTPC, RLY,

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