Answer / kuruvilla chacko

ohms law is applicable only to linear systems.a transformer
due to magnetic hysteresis and saturation is non linear and
doesnt follow the ohms law

why we use iron corn in transformer instead of wooden core

12 Answers  

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What kind of test is conducted commonly for generator? And explain briefly

1 Answers   MAHINDRA,

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What will happen if mains neutral and generator neutral shorted?

2 Answers   Betts, Suzlon,

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what is form factor

2 Answers  

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what is function of INVERTER

4 Answers  

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11. As per the theory current doesn’t flows in Neutral, but practically it is not applicable, explain why? 12. How to take the Vector Group Test in Transformer? What is the purpose of doing Vector Group Test? 13. Why the transmission lines are in 11kV, 22kV, 33kv, and why not 10kV, 20kV, 30kV? 14. Why do we generate 3 Phase AC Supply? It is possible to generate 4 Phase and 5 Phase explain it? 15. Explain why the Voltage drop will happen in 3 Phase line? 16. What is the equipment used to control the generator output? 17. What are the factors to be considered during the Synchronization? 18. What should be value of Circuit breaker operating time and tripping time? 19. Why the CT Secondary is rated as 5A generally? 20. At which time Synchronous generator act as a Synchronous Condenser?

1 Answers  

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why in large rating C.T.s equipotential wires are used?

2 Answers   Essar,

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how we can calcultae the short circuit level for bus bar

0 Answers   Jaiprakash, Panorama Apparels,

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In which reason, one end of CT secondry get connected with Earthed? Normaly S1 of CT. Why????

1 Answers  

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What is a diode?

0 Answers  

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what is the difference between squirrel cage & slip ring induction motor by construction & working principle ?

1 Answers   Sail,

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If an induction motor is restarted before its rotor stop rotating, then what will be the amount of current drawn? Is this current will be the same as motor starting current?

5 Answers  

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