Answer / gunasekaran

transformer inrush current having more 2nd horminics it
will give the false trip to diffrential protection

Answer / sudheer868

It has frequency 2 times that of fundamental.Second
harmonics does not effect transformer as the supply is
symmetrical.If supply is symmetrical even harmonics are
automatically eliminated.

list of tests to be carried out at manufacturers end while purchasing a step up transformer of 11kv to 66kv ,2MVa Capacity.

0 Answers  

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wd do u understand by stablity of ps?

2 Answers   IOCL,

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I want to merge a cable..in between two metering Cubicals which contains CT's and PT's and Energy meter..before taking merger..what are the common things required?

0 Answers  

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lllg,llg,ll,lg,lll which fault is severe and why?

10 Answers   COEP, GE, PSC,

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what are transmission line parameters and transmission line constants?

1 Answers  

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how to calculate the speed of a induction motor without using tacho meter?

6 Answers  

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What does the kvar means?

0 Answers  

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what will be the difference on output when 3phase I.M. is given a delta or star supply?

3 Answers  

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How to calculate the slip ring induction motor rotor current and voltage.

1 Answers   Bhel,

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Can run 11KV(5MW) slip ring motor by appling 415V? if Yes and what are the processors?

2 Answers  

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How Calculat the Cable Sizing of HT/LT System & Explian by one Exampal?

1 Answers   Siemens,

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in india,we use 230V,50 Hz,whereas many other countries use 110V,60Hz.what r d advs and disadvantages of each of them?

11 Answers  

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