Difference between auxliary relay & pla relay

1 Answers   Reddy Labs,

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what are the advantages and disadvantages of speed control of 3 phase induction motor by varying frequency explain with drawing

0 Answers   ABB, Genpect,

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when secondary volts is given how do we find primary volts, turns, amps of primary and secondary given???

1 Answers  

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how can I improve the current at same voltage? if yes is there any circuits?

2 Answers  

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what is diffrential relay used in generator plz give brief explanation

4 Answers  

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i have one source transformer with the capacity of 50KVA, connected with two loads 10kw and second one is 15kw.. how can i calculate first load in KVA and second one in KVA .. because Kva rating, power factor rating of of transformer is different from the load… there must be some way to calculate load KVA rating and power factor….

1 Answers  

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What is the difference between Split ring and slip ring?

8 Answers  

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pls someone send me sample question papers along with the key.thanks in advance

0 Answers   HPCL,

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1amps current equal to howmany electrons to be flowed?

1 Answers  

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what is meant by 3rd hormonics ?

0 Answers  

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what are the types of cables?

3 Answers  

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How much earthing require for h.t.22 k.v. cable in coming side & out going & 22 lighting arrest or,22 k.v.D.o. & A.B. switch.

1 Answers  

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