Answer / ravikumar.g

The Direction is changed for the Induction Motor for
changing the two Phases.

Answer / sunil guru

the direction of rotation of I.M is changed by changing the
polarity of any 2 phases......

Answer / hameed

in 3 phase we change 2 phase & in single phase we change
the end of starting coil

Answer / b. janardhana rao

In 3 phase induction motors we want to change direction of motor any one of 3 phses polarity we will change automatically change the direction. Example. RYB we change to rby or yrb.

I want to wire sizing calculator which website is available it

1 Answers  

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oil sample dielectric test gives the insulation rupture voltage at 26 kv. is this transformer safe to be operated . The working voltage is 11 kv

2 Answers  

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is KVAR (not reverse power) relay necessary to protect from excitor field failure on a brushless, synchroneus generator? Some people with previos experince tell me no but the manufacturers tell me it is designed for that purpose. Is it that it is only necessary for brushless generators and not the older style with the slip rings and brushes?

1 Answers  

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what is differnt between metering CTs an protection CTs

10 Answers  

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how we are measuring the winding temperature of the transformer?

11 Answers  

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what is the difference between MCCB and SFU in terms of their application?

2 Answers   Secure Meters, Tata Teleservices,

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What is different bewteen low or high impedance busbar protection scheme

0 Answers  

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Why electric traction is used ??

3 Answers   IOCL,

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Electricity sometimes can be dangers , sometime got shoked form it . It is because of volatge or Current

6 Answers   Kirloskar,

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what is the working principle/operation/theory of 3-phase rectifier power transformer used in cold rolling mills.

1 Answers   TATA,

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FRIENDS, I am doing DEEE (part time)final year. Give me some ideas for project

5 Answers   HCL,

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what is the power factor of choke coil used in tubelight

12 Answers   Bajaj,

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