What is working principal of V.C.B., O.C.B., A.C.B & Over load relay?

4 Answers   Unitech,

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Define conversion efficiency of a power amplifier.

0 Answers  

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How to calculate electrical Induction motor heating and cooling time constant,11KV,2850,12P,SCIM

2 Answers   Bhel, Regal Beloit,

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Do we really need wheels for the transformer

1 Answers  

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Can we check ELCB constantly from R1 to R8 phase in 1 no DB?

0 Answers   Legrand,

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Can any one give an explanation about rating factors of cable? if we are laying the cable on the air with an temp 15 degree then rating factors will be 1.15 and if we are laying the cable on the air an temp 60 degree then rating factor will be 0.76 please describe it and what is the difference between rating factor and derating factor?

0 Answers  

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Motor and transformer working with same principle so why motor rotates while transformer not?

7 Answers  

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Why is a thicker conductor necessary to carry a current in A.C.as compared to D.C. ?

1 Answers  

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What is the basic principal of Diesel genarator?

3 Answers   Juniper Networks, MRF,

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What are the Full Forms of TVM, MTL, CVT ?

0 Answers  

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We wish to test 60 Hz systems from a 50 Hz supply. To acheive frequency conversion, we use a VFD. The VFD powers 40 kVA transformer, which has motor and non-motor loads on it. Will the transformer work?

2 Answers   Suzlon,

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which type of motor is used in automatic swing gate

0 Answers   Sail,

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