Answer / anand yadav

In most cases, on load tap changer is provided at higher
voltage & lower current side.It is economical.

Answer / a.muthukumar

Always ON LOAD TAP changer is provied in HV side only.
Because HV side current is low and LV side current is high.
So, during on load tap changing losses will be reduced when
on load tap changer is in HV side.

difference between temperature sensor and temperature switch

3 Answers   ABB,

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why incomer bay is required before transformer bay if there are more than 1 nos. of transformer bay.

0 Answers  

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why we step/down voltage in multipul of 11kv?

4 Answers   Siemens,

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when we increase load , current drawn from source also increases why ?

5 Answers  

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Why we Specify Transformer rating 433 V Instead of 415V ?

8 Answers   ABB, ERA, Uddans,

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0.5,1,1.5,2.5,4.0.6.0,10,16 square mm electrical wires how much take maximum current in 50htz

0 Answers   SoftLogic,

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How to take Transformer oil Break down voltage test?

9 Answers  

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what is the disadvantages of star connected alternator?

4 Answers  

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Which of the following are the important limitations of rod gap surge arresters? 1. They are not capable of selling off power frequency follow up current. 2. After a discharge, the rods are destroyed completely. 3. Performance is affected by climatic conditions. Use the following codes for selecting the correct answer. Codes: (a)1, 2 and 3 (b)1 and 2 (c)2 and 3 (d)1 and 3

1 Answers  

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what happen "when Dyn11 is parallel operation with Dyn1"?

9 Answers  

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Practical condition in 400KV Sub station:- Breaker(open) , isolator(open), Earthing (close) at both end e.g A & B. Now Open A Stn Earthing than Open B stn Earthing (Which have a 50MVA reactor) , AND suddenly show R,Y,B phase 704KV,573KV,118KV respectively. Que is without closing of breaker how it is possible.???? My Whats app No:07621840498 for Further Discussion. Pls experts suggest.

0 Answers  

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what is the difference b/w circuit breakers and relays?

3 Answers  

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