Answer / pramod_wank

Minimum Distance between MV Busbar

Phase to Phase - 130mm
Phase to Earth - 80mm

Minimum Distance between LV Busbar

Phase to Phase - 25mm
Phase to Earth - 20mm

what material used made for the resistance,for the purpose of zero temperature coefficient?

2 Answers  

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i have 28/32 MVA power transformer with 11/6.6 KC voltage rating and 12%impedance.it have star connection at both side.but it have another thied winding tertiary winding.what is used of this winding. pl tell me

7 Answers  

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what is real , reactive and apparani power

1 Answers  

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What is the working principle of CFL & T5 tube light & 40W tube light with electronic ballast?

0 Answers   Remi,

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why we earth only one side of a power cable. And which side is advisable to earth.

1 Answers  

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What is a thermocouple, and it working principle?

2 Answers  

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what is hysterisis loss and eddy current loss? how it occurs?

2 Answers   Aurobindo, MAHINDRA,

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What is full form of G.O.D in 11kv distribution?

10 Answers   GOD, MSEB, Shyam Indus Power, STL,

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what will happen when the dc supply is given to the capacitor?

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What is the formuala to calculate the rating of motor protection circuit breaker

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MY QUATION IS ABT THE MAIN POWER TRANSFORMER IN STEEL PLANT , I WISH TO KNOW THAT WHY TRANSFORMER PROTECTION NOT TRIP AS CABLES ON THE SECONDAY SIDE IS WATER COOLED. TRANFORMER DETAIL NORMAL KVA--150 KVA PRIMARY VOLTAGE --34.5 KV SEC.NO-LOAD VOLTAGE---1.290-908-690V ( WITH PRIMARY DELTA CONNECTED) CONNECTION--D/d (EXTERNAL CLOSED) CONSTANT RATEING FROM--1.290-908V CONSTANT CURRENT FROM--908-690 VECTOR GROUP--D III

1 Answers  

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what is starting current and use of starting current?

3 Answers  

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