why core losses are affected with change in voltege in transformer?

1 Answers   HCL,

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For 415v,3phase,22kw rating of motor how to calculate MCCB rating

2 Answers   Zigma Technologies,

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why we dont prefer ac voltage controller instead dimmerstat [if both have same rating] for conducting experiments in laboratories?

0 Answers  

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in HT service 3ph 4 wire service Y-phase voltage shows zero . whether it is meter fault? or what be the reason ? if y-ph voltage zero ,can current is recorded? reasons for failure?

0 Answers   apspdcl,

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what is upper impedance and lower impedance of a distance relay

0 Answers  

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if step down transformer step down the voltage,will current will also be proportional step up. If yes then how transformer handle such a large current?

4 Answers  

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I am about to write exam in RRB bangalore for the post of section engineer.please provide me with previous exam questions

0 Answers   Wipro,

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what is the ranje of HT cabel and LT Cabel.

1 Answers   Sail,

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Three phase star connected PT transformer primary side one phase fuse is blown what will be the output in secondary side(Secondary side also three phase star connected)

1 Answers  

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use of PIR in ehv breaker

0 Answers  

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why the conservater tank alwes made upper side of transformer???

3 Answers  

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how the calculation is done if the DG set require for the -- -48 to -51v 4000 ah battery set .

1 Answers   BSNL,

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