Explain the function of VFD

10 Answers   Dalkia,

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Hello Friends, How can we recognize the CT Star Point is S1 or S2 in case of Electro Mechanical Relays and what is meant by Restraining coil in relays and what is the purpose of that.. thank you in advance..

0 Answers   Siemens,

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Two bulbs of 500w and 200w rated at 250 v will have resistance ratio as ?

2 Answers   CGL, Dreamz Infra, Sunny Developers,

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How would you calculate power loss in a resistor?

0 Answers  

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6.6Kv feeder feeding tow step down transformers-415V-,what the possible consideration for parrellel operation?

1 Answers  

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What are difference between earthing switch and earthing truck ? What is the operation philoshopy of earthing truck ? Wht are the component of earthing truck ?

2 Answers   Reliance,

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HOW CAN I GET 5CORE HO7 CABLE SIZE IF I HAVE 1800A?

0 Answers  

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I need to connect a synchronous generator to the grid using automatic synchronization and two circuit breakers (one for synchronization, one for end connection to the grid), how to determinate the required diameter of the cables?

0 Answers  

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what is meant by crawling??

10 Answers  

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what is relation between torque and speed / rpm?

1 Answers  

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I Need standard operation procedure(SOP)for 500kva Oil type transformer oil filtration & Procedure for IR value checking.

0 Answers   Reliance,

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Application of DC motors is generally restricted to a few load speed applications because of _____.

0 Answers  

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