In Power cable specification what is U0/U and Um.

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how does oil cools the transformer

3 Answers   HBL Power Systems,

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Anyone who can recommend an equivalent to Envirotemp FR3 of Cooper?

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How can we measure and monitor critical performance parameters of Diesel Generator Sets, both electrical and engine ?

3 Answers   Cologicx Systems,

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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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Some times to change of DOR of a motor, interchange of R & B is not effected and RYB take same current, but interchange of R&Y is effected ie change the DOR. My doubt is what is the problem in motor and how it is happen.

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15 suspects are rounded by the police and questioned about a bank robbery. Only one of them is guilty. The suspects are made to stand in a line and each person declares that the person next to him on his right is guilty. The rightmost person is not questioned. Which of the following possibilities are true? A. All the suspects are lying. B. The leftmost suspect is guilty. B only

2 Answers   TCS,

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How can we measure earthing resistance test (Earth meggar) of Transformer neutral pit while in live condition?.

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sir can you operated Transformer on frequency from that for which is design?

1 Answers   Kirloskar,

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what is the interrelation between voltage current torgue speed and magnetic flux in case of different types of electric motors

0 Answers  

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Differenciate between circuit wiring and sub main wiring with illustrations

0 Answers   MU,

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what happen if rotor earth fault in AVR system?

1 Answers  

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