what is the dis-advantage of 3 phase 3 wire energy meter?

1 Answers   Exide, Nelco,

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Where voltage are high and current to be interrupted is low the breaker preferred is:

0 Answers  

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why tan delta test conducted in electrical equipmenr

4 Answers  

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What is rotor angle stability?

2 Answers  

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1.two coupled coils with L1=L2=0.6 H have a coupling coefficient of k=0.8 the turns ratio N1/N2 is......

5 Answers   BSNL, SSC,

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In separetly excited m/c,we excite the field by a dc source,what not with ac source?

2 Answers  

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WHAT IS BASICS TO SELECTION OF 11 kv Trasformer, send any calculation sheet for selection of transformer

3 Answers   NBCC,

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Is there any abbrevation for STUB in Stub bus protection

0 Answers  

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How do i calculate sizing of transformer on didstrubution load for high rise building.What should be MVA Rating of MV Panel feding by 122 kv.

2 Answers  

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HOW BETTER VOLTAGE REGULATION IS OBTAINED BY HIGH VOLTAGE TRANSMISSION....?

1 Answers   Cummins,

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In a HT switchboard where Nos. of Transformers are connected, how to decide Incoming cable size? Whether Cable should be rated for connected load or maximum demand?

1 Answers   Power Grid,

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Draw an S.L.D of the main panel for a hospital, showing meter position. Essential loads are: 1) Equipment load 100 KW 2) Critical load 500 KW 3) Life AID Safety load 400 KW 4) NON-Essential load 200 KW 5) Other service loads 200 KW Calculate and suggest the size of the transformer, size of main cable, capacitor bank, and calculate the capacity of an emergency load having above first three mentioned loads is supplied by an emergency generator.

0 Answers   FEWA, HMK,

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