Answer / selvakumar.t

When generator breaker opened at full load. Subsequently the
generator prime mover will go to over speed.We can use place
the breaker between generator and transformer through bus
bar. Because transformer was transmitting the power only.

Answer / e.subhash

Not necessary, because generator is synchronising hence we need bus only.

Answer / pallab phukon

when a generator is disconnected from supply when it is
running at full speed,there will be mechanical vibration in
the rotor and may even break.so,if a generator should be
disconnected,we have to at first reduce the load.

Why high voltage lines (overhead ) are called high tension lines?

8 Answers  

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Can anybody post questions asked in Engineers India Limited Interview? Thanks in advance.

0 Answers   Engineers India Limited,

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onan full form

5 Answers  

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What is meant by RVT and NDR ? expansion and details of it

0 Answers  

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What is making & breaking current ???

0 Answers   JLL,

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can we choose current transformer secondary, to calculate residual flux in a power transformer, so as its saturation is close to the saturation level of power transformer?

0 Answers  

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what is fault level in 66kV system?

3 Answers  

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Explain the laying procedure and laying depth of submarine/subsea power cable for 220/400KV system? Also available cable diameter?

0 Answers   ABB,

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in 31.5 mva power transformer how to set of wti and oti?

1 Answers   HMEL,

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what is voltage gradient?

8 Answers   Bhel,

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work of choke in florocent tube circuit ?

0 Answers   Bhel,

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how to change the load sharing between two synchronized identical alternators when both are running with Diesel engine? assume both are feeding to same feeder?

1 Answers   BARC,

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