Answer / guest

Cogging can be reduced by number of rotor slots prime to number of stator
slot and also by skewing the rotor slot

We have received supplies of the ordered material. payments against the supplies also released. Where ST paid 4% against form C. Meanwhile it has been observed that 25% of material supplied was defective. Please suggest whether the issuance of C form from our side would be stopped till settlement of liabilities.

0 Answers  

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what is booster? and how it is connected in a circuit?

0 Answers   APTransco,

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Why Drives are used to run AC motors?

3 Answers  

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Suppose a 3 phase, 2 pole, 440V induction motor is driving a flywheel of 600mm diameter, 150kg mass. By using v-belt and pulley, the speed is increased to 4500 RPM. What will be the effect on motor current?

0 Answers  

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how to size a diesel generator set?

1 Answers  

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How do you maintain the earthing resistance?

13 Answers   Birla, Ford, JLL,

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WHAT is the no of starts/hr for 3.3 KV, 300 KW motor. Motor is vertical flange type.

1 Answers   DAE, Siemens,

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For my plant the electricity department charging some amount for t/f losses. May i know what are transformer losses

1 Answers   L&T,

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what is the load amp of a 2 hp single phase motor?

6 Answers  

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what is R Core Transformer. how it differs from normal transformers. dont search in net and post the answer.

0 Answers  

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Some times to change of DOR of a motor, interchange of R & B is not effected and RYB take same current, but interchange of R&Y is effected ie change the DOR. My doubt is what is the problem in motor and how it is happen.

0 Answers  

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what is busbar. how many types of starter.what appartus will be used to improve voltage.what is the function of starter.what is b.h.p.what material is used for earthing.

1 Answers  

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