How relay works, reverse relay, master relay, os relay, earth fault relay and what is its setting point

0 Answers   cpgn,

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1.Why sinle phase motor is not self starting 2.working principle of alternator 4.list out electrical formula

2 Answers  

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what is meant by insulation voltage in cables? explain it?

4 Answers   ABB,

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How wire size can define in electrical wiring? What is the ratio?

0 Answers   Descon,

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what is the back ground of transformer working? applying voltage to primary and emf inducing in primary and secondary? how it is possible? please answer me with scientific approach?

5 Answers  

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how  do you choose the cable size as per amps rating & the voltage drop for the same.

0 Answers   C&W,

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Why different Pressure switch used in marine boiler water circulation system

0 Answers   MMD,

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When the relative speed between the magnetic fields of stator and rotor does is zero under steady state operation?

0 Answers   HPCL,

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can i know how to design overcurrent setting and earth fault for 11kv & o.433kv system assuming tx 1000kva.

2 Answers  

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why the energy meter disc rotates anticlockwise while reading

1 Answers   KSEB,

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What difference between ref protection and differential protection ?

0 Answers   EPC, INEL Power System Engineers,

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Why do we generate 3 Phase AC Supply? It is possible to generate 4 Phase and 5 Phase explain it?

4 Answers  

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