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 the fullform of mccb

10 Answers   Thermax,

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why diesel tank is earthed

1 Answers   ABB, NTPC,

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Sir We have a REF relay connected to 10MVA(Y-Y) Transformer.on External earth fault REF relay trips along with earth fault relay.The REF relay has no complant as we tested relay.Why is it happening?

3 Answers   KSEB,

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What is Phasing out test?

1 Answers  

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In electrical locomotive engines, the DC series motors is being used as traction motor. But in new engines like in WAP7 & WAG9 the 3-phase squiral cage induction motors has replaced them. So can someone tell me the advantages of induction motor over dc seris motor in engines points of view....???

0 Answers   RRB,

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Give atleast 20 alternating current apparatus and devices.

0 Answers  

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3ph line voltage 220v, how can run a 220v single ph motor or Light?

2 Answers  

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Why high Voltages come in multiple of 11, like 11 KV, 33KV, 66 KV, 132 KV etc.

11 Answers  

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what is the use of Reactive power in power system?

3 Answers  

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i have need all detail above basic transformer question..

0 Answers  

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i want to know how to determine that a surge arrester work properly in 11kv system. and how to test a 12kv surge arrester

0 Answers  

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