Answer Posted / pralay

protection used in transformers:
buccholz device,earth fault protection,over current,over voltage,merz price,etc

breather:
wen transformer heats up oil(immersed)also heats resulting volume increase in oil.wen cool volume decreases resulting intake of air.to prevent moisture in air from entering inside silica gel is used.wen silica gel changes color simply dry it(in sun like clothes).somethin similar to human body breathing without moisture content

working of conservator tank:
in laymans terms gaddi ka reserve tank.oil garam hoke volume badhta hai to extra conservative mein ghusta hai

whit is 33kv power 300*300 cable full current with formula

1782

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mccb service sittings be done?

1944

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why we have to particulary use ACB for below ratings,even available of MCB,MCCB with that range ?

2910

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What are the main advantages of generalized error co-efficients?

1165

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Draw the vector diagram and condition for the following: 1) Dyn1 2) Ynd0 3) YnYn0

3662

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primery try cell?

2191

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How to control motor gearbox speed and friquency? If length of cable and dia given, how to measure the voltage drop?

2027

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why normally Generator rating are between 11Kv to 22Kv?

4646

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Why ground terminal is used in pot meter 10k ohms

1875

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being an electrical engineer why you wanna come into software i have an very good academics what answer i have to give

1901

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what are the industrail measures to over ferranti effect? how would the ferranti effect the power system if those remedial mearsure arent taken? how often does this effect occurs in real power system?

2135

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by using pump duty, how we will can calculate the motor duty(KW)? is there any standard or formula.

1970

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what is basic difference betmeen normal & flame proof motor??

2171

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how calculate gd2 of ht motors

2305

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What is the function of NER and NET?

2433

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