Answer / gunasekaran

it is star connected because we can insulate root3 time lesser than delta and no of turns also root3 times lesser than delta and we can easily protect the equipment from earth fault protection

What are the different pre-commissioning tests that are performed on the distribution transformer, power cable and switchgear (11kv)?

1 Answers   Hitech, Reliance,

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what is the full name of ELCB &MDB <MCB

2 Answers  

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what happens if DG N earthing fails while running and N Earthing fails while Transformer on load ???what will be the impact ???????/

2 Answers  

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during the period of armature reaction ,if the brush shift is not accomplish, what happen?

1 Answers  

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Why we use shunt coil in breaker??????????

7 Answers  

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Distinguish between Earth & Neutral?

5 Answers   Essar,

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what is called star connection and delta connection also purpose of this connections?

3 Answers   Siemens,

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Is it possible to measure correct value of earth resistance & cable insulation ristance with out disconncting earth lead & both sides of cable ends? If not, any other method to measure ER & CIR with out disconneting from the system.

0 Answers   HAL,

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how many BUSBAR is in electrical system?

3 Answers  

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Why efficiency in thermal power plant is low?

0 Answers  

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If cvt is most advance & effective(economically & stability)so why not use instead of VT(11 kv & 33 kv)?

3 Answers  

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AVR is used for the Voltage regulation of the Generator using the feedback signal by exciting the field winding of the generator.But how the field winding will be excited & using what?

2 Answers   Alstom,

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