Answer / subbu

Since ct is step up transformer ,with secondary open , very high voltage will develop on secondary side. Due to this high voltage , secondary winding insulation will fail .this will lead to damage of secondary winding.

how to match 0 -10V with 4 - 20mA

3 Answers  

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How we select the vector group of 3phase power transformer?

0 Answers   wbsedcl,

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What happens if ac excitation is given to the field of an alternator

3 Answers   Aurobindo,

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what type of euse we should use ? 1- High resistance & low temperature 2- High temperature low resistance

2 Answers  

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Maximum efficiency occurs in electrical machines is at i)Full load,ii)50% of full load,iii)Near full load,iv)None of these

1 Answers   IFFCO,

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What does OHB stand for in specifications for circuit breakers, especially found in SF6 circuit breaker?

1 Answers  

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what is the uses of C.V.T transformer in switch yard?

4 Answers   L&T,

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why rotor winding in induction motor is not earthed. normally we uses star winding in rotor .why?

3 Answers   Anglo Platinum, TATA,

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why is the HT voltages are in multiples of 11KV

1 Answers   Clariant,

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what is maximum demand.

9 Answers   HP,

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what is the disadvantages of common earthing for AC and DC equipment? (i am talking about inverter control room and inverter duty transformer earthing is common...?)

0 Answers   TATA,

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How much load can give on 1600 kva transformer 11kv/440

5 Answers  

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