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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Can we install and run MCCB suitable for 440v 3Phase 4wire system, on a 220V 3Phase 4Wire System.

3 Answers  

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What is the meaning of Insulation H for transformers????

0 Answers  

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what is the main purpose of line PT and bus PT?

11 Answers   L&T,

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What is power factor? How to improve Power factor? draw a circuit diagram showing the connection of power factor improvement equipment to the electrical instillation.

1 Answers  

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Is it possible to use a S1 duty class motor for crane application (S4)? If not, why?

0 Answers  

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Which loss in DC machine is maximum?

1 Answers   IFFCO,

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why in power staions distriution r like 11kv,33kv,66kv in india?

4 Answers  

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how many units (kwh) are there if in one MW?

5 Answers  

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only some transformers and some generator requires NGR why?

1 Answers  

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motor and transformer working with same principle so why motor rotor was roted and transformer not roted

9 Answers   ABB, Suzlon,

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How the speed of synchronous motor changes with the variation of load?

1 Answers  

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