The initial current is very large at the time of starting for almost all DC motors. SO WE USE STARTER FOR A SAFE STARTING but at our homes we don’t see any starters in our coolers, motors.WHY DON’T WE NEED STARTERS FOR THESE APPLIANCES?

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How to determine the Power factor is Leading,Lagging & Unity ?.I don'thave any Meters.

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draw 3 phase rectifier diagram

0 Answers   Equate,

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Dear all,recently in our plant we installed a conveyor for this the motor ratings are 5 hp and Amps 7.39.Due to on urgent starting of conveyor we fix the DOL starter with range of 9-15 amps.give me suggestion regarding on this issue

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Please brief me about number of pole in alternator.In single phase alternator coils are connected in star or series. How to calculate frequency for the same.

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how much current capacity of 300 sq. mm cable (4 core aluminium) and 150 sq. mm cable ( 4 core aluminium)

3 Answers   Bhel, RR Kabel,

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What safety followup during kWh meter isolation

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define main transformer?

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If u have Powergrid model question papers Please send to below mail ID rajutheprince@gmail.com

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why is one voltage transformers (instead of three ) installed at the entrence of the incoming line in a substation.

2 Answers  

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Define noise?

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What is mean A32 B32 C32 D32 in mcb(miniature circuit breaker)

2 Answers  

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