Answer / swati

Transformer is a static device which transfer the electrical energy(power)from one circuit to another without change in frequency.It has 2 windings which has magnetically coupled but electrically isolated.

Answer / venkat.v

Transformer is static device which converts voltage levels
(step up/ step down) without change in freqency. Its works
on farady laws of electro magntic princple

why motors are rated in HP?

3 Answers   HCL, ncpl,

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what are the protections in 132 kv class electrical systems.....? hw u define that in elctrical terms..? . . .pls answr

2 Answers   ABB,

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Which of the following loss varies with the load A hystresis loss B eddy current loss C copper loss D core loss

1 Answers  

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which type of breaker sould be used for different level of voltage ? (i.e at 11 Kv, 33 Kv, 66 Kv....

8 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?

1 Answers  

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what is slip ring startor

1 Answers  

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List advantges of active filter over passive filter?

0 Answers  

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tan delta equation test on alternators

0 Answers  

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When the power Factor (p.f)is lead then how the Voltage can rises?

1 Answers  

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Can the output voltage of a rectifier be greater than the input AC voltage without the use of any voltage multiplier in the circuit??please provide the explanation too..

0 Answers   IOCL,

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Is there any rule to select the voltage of motor based on KW rating? What is the rating above which lt motor becomes the HT motor?.

0 Answers   DAE,

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whether choke act as a voltage regulator in tubelight or not?

1 Answers   Bhel,

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