Answer / sagar upadhyay

Switched mode Power Supply. It is used in modern electronic
devices like CFL, PC power supply etc.

Answer / bharathi

SMPS converts the unregulated ac or dc voltage to the
regulated dc voltage using the rectifier.In the output of
the rectifier there is a filter to filter the voltage and it
can be send to the high frequency dc-dc converter.

why transformers are put with supply for 24 hours before giving supplying to a locality?

2 Answers  

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What is the use of Isolation Transformer, and Neutral is using for return path, finally this current is going.... but same time the voltage of the neutral should be below 1 V...

6 Answers  

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wat is d diffr btw shunt coil and trip coil in VCB?

0 Answers   NTPC,

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What is Meter MF if External CT Ratio is 150/1 , PT Ratio is 132/110 Meter CT Ratio is 200/1 & Meter PT Ratio is 110/1

0 Answers  

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What happens instead of using 3 phase, if we give loop of single phase to all three phases ??

1 Answers  

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When the load on the system is zero and Capacitor bank is on condition, is capacitor bank takes any load?

2 Answers  

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what is called inrush current??

1 Answers   KSEB,

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what is working of no & nc.

8 Answers  

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in general it is observed in power stations, the tertiary winding is used in higher rating Y-Y auto transformer but not in Y-Y power transformer. is the tertiary winding is compulsory then why it is not using in power transformer 

0 Answers  

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where reactive power is used

0 Answers  

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If i have 200 test cases and we have to execute but we don't have time to execute all testcases.within 1 hour we have to execute that testcases and prepare the test report.so how i have to resolve this problem? is there is any technique in the testing.

3 Answers   Stag Computers,

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hello! sir i did three year of diploma in electrical (2007- 2010) and now i m a student of electrical engineering. sir can i apply for germany visa for study and part tome work over there?

0 Answers  

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