Answer / kammi

auto trip happens ,first we need to trouble shoot the fault,post rectification , we can close the breaker

Answer / kammireddys

post rectification of the fault ,we can close the breaker

3. What is Impedance Voltage in Transformer?

16 Answers   KESC, L&T, Torrent Power,

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An 11kv system consisting of an underground cable to a sub station about 300 meters away was shut down for about 10 hrs. On energising, it tripped off on earth fault about 10---20 mins later 6 times but since than it is not tripping.its already 3 weeks now. The SPAJ was found to be fine. what could be the cause.No test had been done to determine the cause of the trippings till now because of demand.

2 Answers  

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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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What is servo motor and what are the applications of servo motor?

0 Answers   BARC,

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Can we provide 3phase wire in conduit for room?

1 Answers  

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Which ciass CT can be use in diff. protection. Can be use 5p20?

5 Answers  

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how to find transformation ratio of squirrel cage induction motor

0 Answers   BITM, WER,

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What is the basic principal, by which DC voltage level is increased more than the supplied AC voltage during conversion. As upto AC level it is contorrled by firing anlge but after maximum level how is it possible.Please clear picture. OR we have to supply the higher level AC?

0 Answers  

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How to distinguish whether MCB is DC or AC looking at it physically

0 Answers  

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define reflection method?

0 Answers  

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when we given 3 phase supply to ups system, but out put comes with 3 phase + neutral how it possible? pls explain.

3 Answers   Enzen, Juniper Networks,

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Electronic circuit

0 Answers  

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