Answer / vishwatheja1989

it is dangerous to motor(it may burn) and supply(large current flow) as induction motor must have a shorted rotor(closed winding). if it is opened and give the supply it acts like static transformer.

Why the voltage n frequency of the incoming generator is kept slightly higher than d grid voltage n frequency while synchronization ?

4 Answers  

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what is meant by unity power factor?unity means one why dont call 2,3,4......?

6 Answers  

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which network topology offers the greatest level of tolerance?

0 Answers  

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draw 3 phase rectifier diagram

0 Answers   Equate,

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what s d difference between inverter an ups

1 Answers   Jindal,

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If a fan get trip and run in reverse direction due to system flow. Now in this condition during starting how can a VFD bring this negative speed to zero and later run in forward direction?

2 Answers   Aditya Birla, Siemens,

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why any surge protection is not provided to UHV ac transmission line (765kv) ?

1 Answers   NK Power Systems, Reliance,

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For two systems transmitting the same amount of real power, the system with the lower power factor will have higher circulating currents due to energy that returns to the source from energy storage in the load.???

0 Answers   Bhel,

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Essential condition for parallel operation of two single phase transformer is that they should have same A polarity B kVA rating C voltage ratio D % impedance

1 Answers   wbsedcl,

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How we can change the direction of rotation of Induction motor? Prove it using graphical methods.

4 Answers   Adama University,

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what is difference between ac voltage and ac current

3 Answers   TATA,

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if the supply voltage increased by N times, the x-section of conductor will be.........

2 Answers   APGenco, Electrical Tech, Ericsson, IES, Thirumalai Chemicals,

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