Answer / stanley

An IGBT possesses high input impedance and has low on-state
power loss,

IGBT is free from breakdown problem..

Answer / shuaib1805

1) Lower switching losses
2) Lower hate requirements
3) Smaller snubbed circuit requirements

Answer / prasad61

easy to operate & highly reliable also economy

what formula can be apply to calculate the No of rtrand of a cable. ?

1 Answers  

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What are interpoles and commutation windings?Why r they used?

1 Answers  

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What is AVR in Generators and How is it working.

4 Answers  

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tan delta test of current transformer.

3 Answers   NTPC,

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why in india the voltage generate multiply by 11,,,like 220v,440v,11kv,33kv,66kv,220kv,

3 Answers   NTPC, Servotech, Tata Power,

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what is negative d.c. voltage, why this voltage is used in base transciever station.

0 Answers   Vintage Air,

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How do we calculate over and under frequency tolerance from generator data?

0 Answers   DPS,

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why field rhoestat is kept in minimum position while armature rheostat at maximun position?

3 Answers  

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In an ideal transformer no load primary current I0 A lags behind V1 by 90 degree B is in the phase with V1 C leads V1 by 90 degree D lags V1 by 45 degree

1 Answers  

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If Two Generators are working parellel in a network and suddenly the field of one Generator get weakened What will happened if there is no reverse power relay fixed in that Generator panel????

7 Answers  

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what is a vector protection in transformer

0 Answers  

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How one can check the charger of the mobile phone or any other charger .......... that is it working ? if , working is it delivering the required supply which is needed by the battery to charge properly ?

4 Answers  

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