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.

my field of interest is T&D. plz tell something about that.

15 Answers   TCS,

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In winter we seem lightly an electric shock when we touch to doors(sometime)

13 Answers   Infosys, REL,

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How do you protect your appliances from harm in case of neutral failure in a three phase power supply set up.

4 Answers  

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what time should we set to come on star contacter in stardelta starter?and for what reason we hav to set such time delay range?

2 Answers  

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what is the relation b/w KW and KWH? plz explain with example.

6 Answers   FAG,

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How can you measure the signal from the PT100 sensor?

1 Answers  

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Type of motor stater detail and working detail

0 Answers  

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AC current is flowing in a wire in your home how can you measure it(name of the instrument)

24 Answers   NTPC, TCS,

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Which power will flow first if we switch on a motor? Active or Reactive? How?

5 Answers   NPTC,

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If more than rated DC voltage appears across trip coil of the breaker, what will happen? e.g. in 110V DC circuit system, if voltage across battery terminal showing 121 V

0 Answers  

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what happens when power factor leads or lags to electical or home appliances

2 Answers  

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How much allowable difference current between on three phases Dear sir, We have a 1870 KW HT motor, 11 Kv supply,FLA-120A,2870 rpm,2-pole squirrel cage induction Motor.And stator is connected in star connection with Liquid resistance stater to limit the starting current.It has coupled with Centrifugal air compressor.My question is it is loading 73% of FLA taking R-phase 86.7 A, Y-phase-85.4A,B-phase- 78.3A.why the B phase current is that much of difference.Is it allowable, or any one tell me how much allowable current.If any method to calculate.

1 Answers  

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