why HV test for cables?.why 0.7times?

1 Answers   Bosch, Prince Food Products,

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In VVVF drive voltage is varying in accordance with frequency.My question here is How much will be the voltage in the inverter side if the frquency is set for 10Hz ?

1 Answers  

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i want to know is it possible to generate usefull power by coupling generator with motor & supply gives to motor by battery source then generator generates power. remove the battery source given to the motor & feed the supply from some of the generated power supply to the motor & motor runs continously. generator generate power contnously.is it possible ?

5 Answers   UltraTech,

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why ups in kva ratings?

2 Answers  

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We have 250 KW x 2 motors, which are load from 25% to 100% varying load in every minute , so how can we compansate the power factor. pl give your opinions on the above subject.

0 Answers  

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How to Preparation of online test

0 Answers  

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How to increase the backup of three phase ups?

1 Answers  

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diffrence between alternating and pulsating field?

1 Answers  

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What is turn ratio of a transformer?

0 Answers  

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Can i get some examples of mechanical devices?

1 Answers  

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what is diff. between earthing grid,earthing mess, earting grid?

0 Answers   Century Rayon, Emco, Tailor Solution,

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What is FTA card? How it works?

0 Answers  

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