why so maney smaller size capacitor use instead of single
Big size capacitor in apfc panel



why so maney smaller size capacitor use instead of single Big size capacitor in apfc panel..

Answer / skc

A large capacitor is switching ON and OFF will change the pf with a large factor of variation. but in the case of small capacitors accuracy can be maintained by ON and OFF of many capacitors.

Is This Answer Correct ?    0 Yes 0 No

Post New Answer

More Electrical Engineering Interview Questions

WHY WE NEED NEUTRAL FOR 3PH 400 OR 415 VOLTS POWER SUPPLY (4 WIRE SOURCE).

5 Answers  


can we install LT panel & HT panel in one room?

1 Answers  


what is extra low voltage system

3 Answers  


Why Neutral Earthing pits and body earthing is interconnected

3 Answers   Taj Group,


If more than rated DC voltage appears across trip coil of the breaker, what will happen? e.g. in 110V DC circuit system, if voltage across battery terminal showing 121 V

0 Answers  






why current flow throgh conductor.

2 Answers  


i installed 100kva ups. what KVA genset they should provid in input side? plz any update formula or ans with reason.

0 Answers  


who invented electricity?

20 Answers   L&T,


How many methods to take IR value of Current Transformer?

1 Answers  


What is Surge arrest? How it work?

4 Answers  


1amps current equal to howmany electrons to be flowed?

1 Answers  


why we did not get shock by touching +ve OR -ve busbar (Which are going to supply cell voltage) of Rectifier- Tranformer in electrolysis plant?

4 Answers  


Categories
  • Civil Engineering Interview Questions Civil Engineering (5085)
  • Mechanical Engineering Interview Questions Mechanical Engineering (4452)
  • Electrical Engineering Interview Questions Electrical Engineering (16638)
  • Electronics Communications Interview Questions Electronics Communications (3918)
  • Chemical Engineering Interview Questions Chemical Engineering (1095)
  • Aeronautical Engineering Interview Questions Aeronautical Engineering (239)
  • Bio Engineering Interview Questions Bio Engineering (96)
  • Metallurgy Interview Questions Metallurgy (361)
  • Industrial Engineering Interview Questions Industrial Engineering (259)
  • Instrumentation Interview Questions Instrumentation (3014)
  • Automobile Engineering Interview Questions Automobile Engineering (332)
  • Mechatronics Engineering Interview Questions Mechatronics Engineering (97)
  • Marine Engineering Interview Questions Marine Engineering (124)
  • Power Plant Engineering Interview Questions Power Plant Engineering (172)
  • Textile Engineering Interview Questions Textile Engineering (575)
  • Production Engineering Interview Questions Production Engineering (25)
  • Satellite Systems Engineering Interview Questions Satellite Systems Engineering (106)
  • Engineering AllOther Interview Questions Engineering AllOther (1379)