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 TR of AC?

11 Answers   Carrier, Reliance,

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my 10 hp submersible pump is tripping when connected through ELCB.I have checked the megger value of the coil's with body.It was found to be 0.2mega ohm.that is leakage is there.But when connected to mccb it is not tripping.no leakage current in the motor.Is it safe to connect to mccb? what are the problem's will arise if future?also tell me in ELCB no neutral is connected to motor.than how ELCB was working?

1 Answers  

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a 440v 60hz 03 phase 100kw generator can deliver how much power in kw for 220v 60hz 01 phase load?

1 Answers  

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in india why we not use frequency above 50 hz for distrubuting power ?

1 Answers  

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How does MCB operate without relay..?

10 Answers   Toyota,

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what is the practical application of full adder circuit?

0 Answers   College School Exams Tests,

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why the manufacturer provide M and C terminals ? why they will not internally short them ?

1 Answers  

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what will be the effect on a bulb in case its connetion is change from live and neutral to live and ground??? 1) in case of single phase AC supply 2) in case of DC supply.......???

1 Answers  

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I WANT TO INSTALL LIGHTING ARRESTOR ABOVE 20 FEET HEIGHT INDUSTRIAL BUILDING. NOW IT WAS 15 FEET HEIGHT HOW MUCH DISTANCE IT WILL COVER & HOW TO CALCULAT THE DISTANCE COVER BY THE ARRESTOR

0 Answers  

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why single CT used in DOL starter power circuit?

0 Answers  

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why transformer rating in KVA ?

8 Answers   Bhel, TATA, Voltage,

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check list for anuval maintatince check list of oil transforms

2 Answers  

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