Answer / moulali

chopper is a type of converter which converts fixed DC to VARIABLE DC.generally dc supply can't be step up or step down because transformer is the only device which is used to step up or step down the voltage/current, but by using choppers we can able to step up and step down the DC voltage/currents

what is Touch and Step voltages

1 Answers   Pinnacle,

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i am working in automation feild my question is that how to find the KVA of transformer.

3 Answers  

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What cmos is and its benefits?

0 Answers  

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why we use RYB phase sequence? and somewhere we use UVW ? why?

6 Answers   CSPDCL-Chhattisgarh State Power Distribution Company Limited, MUET, TCS,

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Why only sinusoidal ac voltages are generated?why not triangular or sawtooth?

0 Answers  

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

1 Answers  

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4 Answers   IOCL,

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How the frame size of a flange mounted AC induction motor is calculated?

0 Answers   APCPDCL,

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Can i connect all earth pits in ring system..., And wat IS 3043 says...please help me

1 Answers  

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HOW DOES ONE SELECT A TRANSFORMER PHASOR GROUP IE, WHETHER A STAR-DELTA TR OR A STAR-STAR OR A DELTA-DELTA, ETC. TRANSFORMER IS MORE SUITABLE FOR A PARTICULAR KIND OF LOAD OR WORKING CONDITION???

3 Answers   KPTCL,

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how commomn gate triggering is given for TRIAC ? other thyristor wont be efffected?

0 Answers   BARC,

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what is the conductor size in 33/11 kv line

5 Answers   Al-Thamer,

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