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?

1 Answers  

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what is the type of pilot wire in pilot relay?

1 Answers  

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What will happend if given Vfd out put to step up transformer

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Why control of DC motor is simpler?

0 Answers   BARC,

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What is the efficiency during maximum power transfer?

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how we calculate the motor rating of pump for water suction ?its any formula for that plz give thank u

3 Answers  

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what is the preventive @ predective maintenance

2 Answers  

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MCB MCCB ACB VCB

1 Answers  

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can anybody tell me that for p.f. Improvment we use capacitor banks but how to decide its capacitance. As we all know how to calculate kvar but what abt capacitance value

0 Answers  

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Why Indian Electricity frequency desined 50 Cycles as developed countrys are using high frequency with low voltage

1 Answers  

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In parallel operation time both NGR’s close or not close if both close what will happen

0 Answers  

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what is the power factor?please tell me uses.

5 Answers   NTPC,

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