Answer / guest

for pulse width modulation

Answer / raxit

because IGBT is a voltage control device which is easy to control, it doesn't required commutation circuit. and it's SOA
is large.

Answer / sunil kumar

high efficiency and fast switchinghave & very high current
handling capabilities in the order of hundreds of amperes
with blocking voltages of 6000 V.

Answer / nandhakumar

it is also used for the interfacing purpose

What do you mean by Stimulastion Test in Diesel Genarator / Why & when it's conducted ?

0 Answers   JLL,

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Consider three heater bank connected in 3 phase star with neutral.Each heater bank connected in each phase.So each phase get 230 volts supply.my question is,during balance condition, current flow in neutral or Not

0 Answers  

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What should be the minimum and maximum ohmic value for earthing?

2 Answers  

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Why reactive power is needed in a power system? How is it being absorbed or delivered by alternators? For reactive power control we are changing excitation but reactive power absorbing or delivering related to stator. How these two are interlinked? i want a detailed explanation with necessary expressions and figures?

0 Answers   Power Plant,

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what type of motor are there in megger how they work.

2 Answers  

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Why transformer used in UPS??

0 Answers   JLL,

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What is RCBO? hw it works

2 Answers  

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where transformer is installed? a)generating station b)substation c)voltage regulating area

6 Answers  

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how to decide choke rating for drive?

0 Answers   Reliance,

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What is cp system and why is it required.?

1 Answers   Essar,

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where to use 3.5 core and 4 core cables, will this vary for type of loads

1 Answers   KSBC, Medreich,

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What are the effects of adding a zero to a system?

0 Answers  

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