Why synchronous motor is used in power factor improvement,dc series in lift

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what is the potential difference between line and earth?

11 Answers  

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How to calibrate or test an LT Air Circuit breaker 440 volts, 35 KA, 800 Amps ?

0 Answers   ABB,

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bsec exam syllabus (mis)

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what are doing the duall connetion in tree phase 10hp or etc motor with circuit diagram

1 Answers   Mukand,

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which is the best, A/C DRIVES or D/C DRIVES for cranes,...... ...and why......?

2 Answers   Alstom,

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how to identify the failer of igbt

0 Answers  

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How loading get increased in generator not the speed, while we increasing steam to turbine.

2 Answers  

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what is the effect of connecting three phase supply lines to three phase auto transformer output terminals through a fuse of 10Amp and a circuit breaker (MCB). Is this connection permanently destroy the transformer?

0 Answers  

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Explain Active power,reactive power,how its related to each other , & inductive ,capacitive.

0 Answers  

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what type of motor used to move a 1 ton gate? and relate ratings with load.

0 Answers   Khidmah,

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In the case of petrochemical area AC drive & AC motor is used where the speed variation is required. Why they are not Using DC drive & DC motors in such areas?

1 Answers  

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