Answer Posted / saikat sshoo

In 4point starter a brass arc is present which is not present In 3point starter. A protective resistance is present In 4point starter which is not In 3point starter.

Dear All, I am new in construction company , my boss ask a question at time of interview , If we have 60MW generation and Single Power Transformer step-up we have. if CMR 50/60MVA , ONAN, ONAF respectively , is it sufficient or not ? for that much power to transfer,

1589

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high voltage transformer input voltage,current and amps rating..distributed transformer input voltage,current and amps rating...

1948

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What do you mean by lighting transformer?

991

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How may I enrol or get admission to your program?

1857

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How impulse levels are calculated that for 11kV impulse is 75kvp, for 24kV impulse is 125kvp ?

1949

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How to select the earthing transformer,for DELTA TO DELTA TRANSFORMER OR ALTERNATOR SIDE.Pls post your answers and calculation.

2323

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What will be the voltage regulation of a full load and 0.80 power factor lagging load transformer when a two winding single phase transformer has a voltage regulation of 4.5% at full load and unity power factor?

1172

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lamination figures

1803

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What are the various types of rotor used in the alternators?

1016

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Different STANDARDS (BS, IS, IEC etc) gives different informations on CT specification. How they correspons w r t each other (i.e I mean to say BS provides "knee point voltage" but IS does not, then how can i select CT)

1925

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what is your aim

1860

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i have 3500 amp load and select current transformer and perches.how i calculate .please understand

2108

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There are different classes of protections in power plants.class a,b,c are clear..is there any class d and e r there..and elaborate class b protection.

2045

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what is the effect of power factor of machines in starting current

2003

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can we use trip light with bus coupler?

1870

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