Answer / malvika

DC series motor, because it has high starting torque

Answer / s

Theoretically it is series motor ,in practical it is compound motor having high torque

Answer / vikrant

nowadays induction machines with vector control are also being used.

what is the working principle of UPS?

2 Answers  

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Can we use shunt trip coil instead of trip coil with protection relay for protection?

0 Answers  

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What is UPS?

14 Answers   HSL,

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What is the difference between shortcircuit current, rated current of cable & MCB with example? What will be the size of cable required for 5.5 KW motor (Full load current 10 Amps approx.), Starting current with DOL is 120 Amps. Aprrox. Short circuit current with LLLG fault is 2000 Amps Approx.

0 Answers  

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in non technical way how can u define POWER FACTOR??

0 Answers  

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Why neutral shows voltage with earth ?

2 Answers   MRF,

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WHY 6.6KV MOTORS ARE STAR CONNECTED AND WHY NOT DELTA CONNECTED,

15 Answers   Bhel,

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How can transformer winding insulation be measured (Delta & Star Connections)?

3 Answers  

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what is the reason for harmonics introduced in the line

2 Answers  

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what is cathodic protection in Tank,and product pipelines?

4 Answers   IOCL,

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howmany insolaters needed in 66kv line

9 Answers   Essar, L&T,

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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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