Answer / raja sekhar

b'coz u can know that the high voltage winding has low
current and when switch is tapped there is less possibility
of geetin arc

Answer / jagadeesh

i think to reduce the leakage flux

Answer / anu

Tap changing at HT side is more efficient

why we use low kv lightining arrester in line for example 9 kv using in 11kv

1 Answers  

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How delta connection in the primary of distribution transformer reduces harmonics?how delta connections reduces harmonics?Please answer me...Hope that question is correct.

0 Answers  

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what happens if you swap F1 and F2 connection in the exiter of the generator?

1 Answers  

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Compare OH Transmission & UG Transmission?

2 Answers  

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what is the ambient temperature of transformer oil & winding?

2 Answers   Reddy Labs,

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Between educational qualification and practical work experience, give us a brief explanation on your practical experience in your past Endeavour that you performed well to the satisfaction of your past or present employer?

0 Answers  

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I want to know the standards for earthing system as per IEC, BIS & IEEE.

2 Answers  

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what does hapen if suddently frequency doubled

1 Answers  

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why capacitor bank shorted by resistance ( 3 terminal )

1 Answers  

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WE are using a 63A MCCB(SIEMENS MAKE) for one of the feeder in LV substation panel.It is supplying to a lighting & power socket DB.Settings in the MCCB is Ir = 63 * 1 , Isd = 8 times of Ir , tsd = 0.5 sec( I2 t off). Sometimes this MCCB is tripping .But no trip in DB MCB. Can anybody tell me reason ? From where i can know about the MCCB settings?

5 Answers  

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what convarts RRA in alternator ,AC to DC or DC to AC,

1 Answers   Birla,

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can u please tell me how VFD(variable frequency) drive is used as a energy saver....?

12 Answers   Essar, Oracle,

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