What is an isolation transformer?Why do we need isolate circuits?Where do we use them?

2 Answers  

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how we calculate the withstansing current capacity of wires&cables?

0 Answers  

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why usa use 60hz and 110v?

2 Answers  

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How to test REF relay testing for LV panel as per Kahramaa standard?

0 Answers  

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Whot is the braking capacity for MCCB. How we select different braking capacity.

1 Answers  

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What power factor maintain you maintain at u r organisation

14 Answers   Wheels India,

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can we choose current transformer secondary, to calculate residual flux in a power transformer, so as its saturation is close to the saturation level of power transformer?

0 Answers  

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the total iron closs in a transformer core at normal flux density was measured at 25hz and 5ohz and was found to be 250w and 800w respectively.the hysteresis loss at 50hz would be................?????

1 Answers   ABB,

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what is the differance between MC61C and MC61A relay of L &T make.

1 Answers   BARC,

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why current is leading in capacitor?

1 Answers   PSU,

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Is the installation of the filter cloths necessary before spreading the gravels at the transformer yards?

0 Answers  

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what are the types of cables?

3 Answers  

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