Why it is necessary to isolate fire fighting when you are taking shutdown for lv board.

0 Answers   KSEB, L&T, Siemens,

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why restricted earth fault protection can not operate for phase faults??as there will be a current in secondary of ct,when a phase fault occurs!

1 Answers   GMR,

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Write the Name of 7 Birsrestho of Bangladesh with their designation

1 Answers  

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A 40 kva transformer has a core loss of 400W and a full load copper loss of 800W. What is The proportion of full load at maxmimum efficiency?

1 Answers  

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How to calculate the breaker's short circuit current?

1 Answers  

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2. What are the parameters of EHT sub-station?

1 Answers   APGenco, Blue Star, Enercon,

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why choke is provided in the centre of the tube light?

3 Answers  

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how many testing use in power transformer?tell equipment names?

2 Answers   ABB, Electrical,

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we have 3 single phase transformers. how will we generate 6 supply from 3 phase supply input

0 Answers   NHPC,

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why an ideal voltage source has low internal resistance????

1 Answers  

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HOW TO FIND THE PRIMARY AND SECONDARY OF TRANSFORMER(IN OFF CONDITION) USING MULTIMETER? IS IT POSSIBLE FIND BY SEEING RESISTANCE???

4 Answers   Areva,

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How to calculate the size of cables (all minium/copper) for a particular load

1 Answers   BSL, Galaxy Power System,

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