why are laminations used in constructing the field core?

3 Answers  

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in dc suppy frequency is zero why? if dc frequency is zero how to exist dc transients and ac transients

0 Answers   Siemens,

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how is differential relay working in transformer.comparison with generator defferntial relay

1 Answers  

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WHY EARTHING NOT NEEDED IN BATTERY IN SUBSTATION

0 Answers  

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explain with diagram how to protect transformers and substations from over current with help of CT's?

0 Answers   BARC,

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What is maximum demand and contract demand?

5 Answers  

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How to check 11000/1.732 to 110/1.732 Potentila transformer (PT)?

0 Answers   TCL,

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whether the generating voltage can be made to be transmitted by means of signals to the recieved end or at the consumers end?

6 Answers   TCS,

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Is there any difference of regulation of transformer, alternator , transmission line, if yes, what is it?

1 Answers  

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what is the use of capacitor in online ups?

6 Answers   Emerson, ups,

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What do u understand voltage reg. of an alternator?

0 Answers   IOCL,

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What is load boxes ?

0 Answers   AMIE, PEPL,

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