4-Why we measure the insulation resistance of main core and frame in spite of that must be connected with ground before energize the transformer?

3 Answers  

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how brushless dc motor is operating ?

4 Answers  

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why we calculate only 11kv 33kv and 132kv ... why not 10kv 20kv 45kv?

3 Answers   Bhel, ISMT,

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what is the difference between watts and volts?

2 Answers  

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What do you mean by ACB and VCB?

3 Answers   L&T,

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What is the difference between tie bus and bus coupler?

1 Answers  

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directional over current relay when acted & how it works

3 Answers   NCC, ThyssenKrupp,

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when the supply of MSEB is cut off & all the load of the industry is driven on generator at that time the capacitor which is connected in industry for power factor control is switched off why?

1 Answers  

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What are the saftey parameters in transformers?

2 Answers  

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what is droop control?

0 Answers   BARC,

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where are the circulat the diesel in DG parts name with pictue

0 Answers   SSP, Wipro,

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What was the Dg set radiator and lube oil temperatures trip in ACB

0 Answers   Gland Pharma,

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