Why in india freq. is 50HZ & in U.S.A. it is 60HZ?

2 Answers   MacLellan,

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how to check three phase motor torque value?

0 Answers   Apollo,

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How CT & PT ratings are decided for a 11KV or 33KV transmission line?

3 Answers  

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why square root 2 is multiplied with line voltage in selection of LA ie 11/sqrtroot3=6.35 kv and it is multiplied with sqrt2 ie 6.35 KV*sqrt2=8.9 kv we will select 9kv.my question is why we are multiplying with sqrt 2?

1 Answers   KSPL,

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we have 1000 litre water tank,it located at 25m hight from ground level,the water level on 10m below from ground level.for fill the tank within 1 hour,how much of motor rating(HP) want to select?

0 Answers  

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Which of the following can be operated at higher frequencies ? -SCR -MOSFET -IGBT

4 Answers  

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How to determine earth fault level to set relay for a normal distribution system of 11 kV , 100 A load????????

1 Answers   TCS,

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I have experienced electrical maintenance HT ,but I completed be ECE ....can I apply c license or not ???? Pls help me friend s...

0 Answers   Crew pvt ltd,

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What is the tests required for a 132 kV, 400 kV , 765 kV for a Circuit Breaker and Power Transformer before commissioning ?

0 Answers   Eprosys Engineering Consultants,

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If the positive terminal of batteries in 125 v dc system is connected to earth what will happen ?

4 Answers  

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what is the meaning of impedance protected in instrument cooling fan

0 Answers  

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what is the effect of constant power factor to the voltage regulation

1 Answers  

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