Answer / choudhri awais arain

vector group is important to use in case of parallelling of transformer.both transformer should have same vector group.
thn unbalancing of the voltages occure.

Answer / jayaram

electric curent have a some phase angle(phase to phase) so
used a vector form. it is used at which power have a
freqency

What is highest size of HT motor like 11 kv or 33 kv,and how to make it 750 rpm.i think the size will be very big.any idea ? pl. reply..

0 Answers   ABB,

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what is first ground fault & second ground fault. This is used in rotor protection of alternator.

1 Answers  

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what is KA rating and how can we choose switchgears on applications

0 Answers  

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i have dry type transformers can you help me that how many tests i can do to know the performence of transformer and also please tell me about the BDV test and Insulation resistance test in oil cooled transformers

4 Answers   Hyundai,

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For 300MW and over a distance 250 km, what voltage be selected? and no. of circuit?

5 Answers   DPL, NTPC,

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How to calculate loses in transformer of 160 KVA ?

0 Answers   IDV,

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the question is about buchloz relay why we called it buchloz relay

7 Answers   HIL,

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what is meant by re-rolling motor? how it differs from standard motor?

0 Answers  

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if 1hp jet motar drop voltage when start from 220v to 120v give the reason and solution.

1 Answers  

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How current is reduced in STAR connection?

6 Answers  

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Can we use Ccapacitive voltage transformer directly for metering purpose?

0 Answers  

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how much watts are equal to one unit of energy meter?

9 Answers  

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