Answer / sudipt jena

In two wire method,we can measure the resistance of only one winding. Where as in 4 wire method we have the facility to measure both the LV and HV winding at once.

what will happen if delta - star , 400V to 6.6KV step up transformer neutral is not grounded, Neutral is not used but transformer is provided with neutral.

2 Answers  

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hopkinson's test

5 Answers   Bhel, NTPC,

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what is diffrence between dc motor and dc generator?

3 Answers   HBL Power Systems,

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HOW DO YOU CAN CHECK A 15KV DIODE, WHETHER IT IS OK OR NOT?

0 Answers   TMB,

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What is the difference between MCCB and MCB ?

4 Answers   Siemens,

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How many current ratings of MCB's are in the market? e.g: 1A, 2A, .......upto.

4 Answers  

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which type of material is used to transformer laminated core?

6 Answers  

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1. If 8.35%Z means the percentage impedance of 132kV-line from power company, we will like to reconfirm its base capacity.

0 Answers  

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pls send me some of the solved question booklet of Junior Engineer -2 (ELE) in RRB

1 Answers   RRB,

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what is conductor constant taken for calculation of voltage regulation of 11 kv and 33kv line on dog aor rabbit conductor

1 Answers   CSPDCL-Chhattisgarh State Power Distribution Company Limited,

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what will happen at secondary side of transformer if i increase voltage at primary side?while V1*I1=V2*I2 will secondary voltage or current increase?

2 Answers  

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Why the size of transformer decreases if we increases the frequency?

5 Answers   Graphics Engineering,

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