Why hydropower stations are preferred solution for meeting peak loads in grids?

0 Answers  

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how can you calculate fault level ?

0 Answers  

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what is timing for mccb 800A tripping?

1 Answers   L&T,

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What is the difference between MCCB,ELCB,RCB & MCB

2 Answers   Bhel, HCL, HPL,

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What is a formula to decide the size of the cable of the star delta motor ( From Contactor to the motor 2 runs )

4 Answers  

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how we select ac fuse rating of an power inverter???

0 Answers   Simco,

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What do you mean by power transformer?

0 Answers  

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Why different values of B’s (magnetic flux density) are chosen for DC machines and Induction Motors?

1 Answers  

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how to calculate the no. of turns in secondary side of CT?

1 Answers  

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My system is 22kv/3.3kv transformer. client is asking to use NGR, but as we have dedicated Neutral Earthing systems which has a value less than 1 Ohm. So i want solid comparision. Why i should not use NGR as my system is already protected.Can any one help me to get out of this.how should i reply on basis of some great comparision and calculations. Please help

2 Answers   Ariel,

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What is the function of RCBO? What are the different sensitivity ratings & each application?

0 Answers   L&T, Legrand,

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what is the difference between energy efficient and high efficiency motors

2 Answers  

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