what is negative d.c. voltage, why this voltage is used in base transciever station.

0 Answers   Vintage Air,

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How will you calaculate the Ct ratio based on connected load 500KVA,and 11KV supply ?

3 Answers  

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why names such like dog ,rabbit, osprey,ant are used for conductors.

1 Answers  

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how the transmission voltage ranges are decided like 11kV,33kV,66kV,132kV,220kV,400kV,725kV.... why not choose the transmission line voltage as 23kV,164kV,440kV?? what's the reason??

3 Answers  

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Power factor =1.000 at factory in supply. However, PF = 0.8 at motor end. Current = 100 Amp, Voltage = 400 V. What is the power distribution loss? Can I reduce it by adding capacitor at the load feeder?

0 Answers   Accenture,

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How to earth the star delta connected transformers?

1 Answers   UPPCL,

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What is mean by STUB protection?

0 Answers  

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before transformer oil dielectric strenght tests are taken the oil should be allowed to settle to remove option 1 air bubbles 2 gasses 3 contamination 4 water

0 Answers  

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in an open circuit. test there is no load curent.. but secondary. ia open then no urrent have to flow but there a smaller current flows why?

4 Answers   Rubber Park,

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EXPLAIN WHY THE SURGE CURRENT RATING OF AN MCCB OR CIRCUIT BREAKER DECREASES WITH INCREASE IN THE RATING OF MCCB OR CIRCUIT BREAKER.

0 Answers  

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how to check three phase motor torque value?

0 Answers   Apollo,

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A jet of fluid strikes a plate What was the force required to counter it?

0 Answers  

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