Answer / manikandan

It can be mechanically inter locked using three lock two key syste. Either two incommers can be ON while coupler is of or any one incommer and the coupler is ON at a time

Answer / mohamed mustafa

put one bus coupler CC circuit relay contact in series with
the other relay cc circuit, this is simple and achivable.

why do we use UPF watt meter in short circuit test of the transformer and LPF watt meter in open circuit test of the transformer

2 Answers   Bell, TCS,

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What type of surgery impedence with 200ohs 

1 Answers  

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what is different between IP55,IP54 and IP66?

2 Answers   ABB, Global Industries,

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why 120 devided with pole and speed multiplication to determine frequency

1 Answers  

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I FINISHED MY B.TECH IN EEE . I AM IN NEED OF A GOOD TRAINING INSTITUTE TO DO COURSES .. CAN ANYONE SUGGEST GOOD CENTRES IN TAMILNADU ,BANGALORE ,OTHER AREAS???????

0 Answers  

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why the transformer primary terminal indicated by u,v,w.to technical reason

2 Answers   JNTUK,

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What will happen if power transformer designed for 50 Hz is connected to 500 Hz of the same voltage , and vice versa ?

1 Answers  

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what are the major & minor faults that occur in an inverter and in UPS ? And how to repair and resolve them ?

0 Answers  

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What is pole slipping relay? When it is operated?

2 Answers   Aditya Birla,

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How does a tertiary winding filter harmonic(espcially 3rd one) from entering into load system?

0 Answers  

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Can we manually synchronize two DG sets of same ratings manually without using speed biasing ? If yes then how?

4 Answers  

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if u want to buy a motor than what will be the configuration of that motor?

2 Answers  

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