why use -48 volt DC power in telecom?

3 Answers  

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what is the principle of operation of tungstun bulb ??

0 Answers  

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how was your last weekend.

0 Answers   HCL,

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Where we can use 3.5c cables instead of 4c cables.Why?

4 Answers  

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HOW BETTER VOLTAGE REGULATION IS OBTAINED BY HIGH VOLTAGE TRANSMISSION....?

1 Answers   Cummins,

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how will you find out the fuse failure by remote operation?

1 Answers  

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why generally transformer are in star to delta or delta to star used?

8 Answers   ABB,

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why asa method ZPF method is more accurate than ASA method?

0 Answers  

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sir i had plane to do some project with the base of hopkinson test in AC supply its possible

0 Answers  

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A double circuit with dog conductor 66KV Transmission line from wind farm evacuation to feeding substation having capacity of 25MW for transmission. Can same transmission network be considered for further expansion of Power & how much in MW. If we need to expand next 10-15 MW more will there any augmentation is required in transmission network? Kindly reply asap.

0 Answers  

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what is the maximim current drawn by 1 phase and three phase welding machine

0 Answers  

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write circuit diagram for a motor rotate in forward direction once it started and when pressed the same button it should rotate in anticlockwise.

0 Answers  

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