Answer / sateesh

for higher frequencies we can use MOsfet
for lower frequencies we can use igbt and rating of igbts r
higer compared to MOSFETs

Answer / gopaul

mos controlled thyristor (mct)

Answer / fat-s0

It depends on the application. A good power electronics
book usually shows a good image of the power and frequency
range in which most switches will find optimal use.

Answer / dinesh kumar

Silicon Controlled Rectifier (scr)

What is meant by short-pitched winding?

0 Answers  

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A dc motor running on dc drive whose input is 3ph AC what will happen if we change the phase sequence of dc drive for e.g (R Y B) is connect as R B Y, will the motor run as same as previously running before changing phase without any effect

4 Answers  

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how to calculate optimum loading for transformer?

6 Answers  

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What are the components connected in between the power supply coming from an electric pole to HT & LT Panels in a large commercial building or how the power supply connected from Electric pole to Transformer & then to the HT & LT panels of a building? Please send me answers via mail, my id is yogiagarwal@gmail.com. If possible, please give a line diagram.

0 Answers   Ranbaxy,

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What is the reason behind 11kv 33kv 132kv.....means multiple of 11?

6 Answers  

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Why DC current is not used in transformer?

20 Answers   JK Paper, TCS,

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What is the Derating factor of power cables when exposed to direct sunlight in (both PVC & XLPE).

1 Answers  

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how can i apilly for electrical c licencese.sir,i completed B.Tech in electrical & electronics engineering in 201onot working any company

0 Answers   Subros,

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How can one connect three source of electricity in a house..the source are 2 gen and one electricity.

2 Answers   SAUDI ARABIAN BAYTUR, Wantro Technical Services,

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Please tell me what is the difference between online UPS & OFF line UPS?

2 Answers   HAL,

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What is shutdown of electrical sub station?

0 Answers   UCEP Bangladesh,

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what is the power factor of choke coil used in tubelight

12 Answers   Bajaj,

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