Answer / alimi zaynab olabusayo

A commutator is device that converts an alternating current quantity to a direct current quantity

Answer / s

it rctifires the voltage of the generator and it in half
cycle

Answer / rafael

why do DC motor that use brushes require more repair than motor that do not use brushes?

Answer / sennapparajan

I DONT THINK ITS RECTIFIENG. ITS JUST A CONDUCTOR BUTWEEN
COILS AND BRUSHES.

I have CNC Turning lathe,while doing electrical preventive maintenance what should I do & please brief me plan & shedule for the same.

1 Answers   DRJ ARDE,

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A 200 KVA UPS's load current is 70 A. We want to provide a Generator back up. What capacity of DG required for this ?

1 Answers   Reliance,

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Pls say , how we calculate lux / sq.ft, which formula used for calculation

5 Answers  

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why do we prefer alternating current in india where as in USA prefers DC?

3 Answers   Bhel, GMR, Texmo,

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Whether the over frequency protection is turbine or alternator and why?

1 Answers   Marg,

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What happens if we connect a single phase energy meter in reverse polarity.

0 Answers  

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we are operationing 3NOs 800 Kva generators by singronyus.specialey evening time our panel trip. the panel showing generator earth fault

4 Answers   RRB,

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Difference between ac parallel circuit and ac series circuit?

0 Answers  

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What is purpose of reactor?.What is different between line and bus reactor?

0 Answers  

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What is the required bending radius requied at the time of cable laying?

1 Answers  

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State kirchoff voltage law?

0 Answers  

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why we did not mention ryb like byr in 3 phase

2 Answers   Ford,

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