why PT Primary are the grounded?

5 Answers   L&T,

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EHV current carrying parts need to have smooth finish,then how can a 245kv GIS with emery finish can run so long?

0 Answers  

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why transformer is giving some humming noise .....?

11 Answers   Electrotherm, JSW,

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in Megger what type of voltage(AC or DC) are produce.how they work.

1 Answers  

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what is stay bow?

2 Answers  

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what is the bus bar size of 2700 amp ACB breaker ? and what is the cable size ?pls detailed answer ?

3 Answers  

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Why we use a shunt capacitor or synchronizing Motor To Improve a Power factor pls reply me in this mail dinesh_elect_eng@yahoo.com

4 Answers  

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How does frequency affect KVA rating of a transformer? If a 500 kva, 500 to 250 v, 60 hz t/f used in Canada is to be operated on 50 hz in Europe frequency then how will its KVA rating change? a-increase b-decrease c-remains same

1 Answers  

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an ac induction motor gets overheated when operated at a low frequency of 25 hz a instead of 50 hz. reason?

1 Answers  

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Can earth resistance be measured without connecting the earth electrode? and should earthing connections be disconnected What is the effect of connecting two cables of different sizes in parallel with supply? Thanks in Advance. I am intrested to get in touch with some tecnocrats/engineers,my mail i.d is : hiremathvijay@rediffmail.com

1 Answers  

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what is the effect of power factor in electrical circuit ? if we mainten power factor near about unity (0.999) our energy consumption Units increase or decrease?

11 Answers   Piramal Healthcare,

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Why transformer making noise during the operation?

2 Answers   TCS,

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