what is reasion of harmonic create the power supply , And how to reduced to harmonic



what is reasion of harmonic create the power supply , And how to reduced to harmonic..

Answer / mn krishnamurthy

usage of lot of frequency drives and votage regulatiors with IGBT and SCR for heavy loads with start and stop and linear varying voltage for speed control created Harmonic currents

Is This Answer Correct ?    0 Yes 0 No

Post New Answer

More Electrical Engineering Interview Questions

Please provided formula for calculate the cable size from step up transformer to M.V panel, run overhead aluminum cables, total load is 5mega watt, total length 900 feet.

0 Answers   SK Engineering,


why capacitors cant used in genset to maintain power factor..??

2 Answers  


please give me solution to rectify the emi(electromagnetic interference)

0 Answers   Powergear,


What is a neutral

4 Answers   Adani Ports, Dr Reddys,


In case of legging current of 20°, pf is .94 and leading of 20°,pf is .94 , in mathematicaly both are same but in realy how it is differ ?

3 Answers  






What is the settings of distance protection relay in 400 kv line

0 Answers   Crompton Greaves,


There are a trformer and an induction machine. Those two have the same supply. For which device the load current will be maximum? And why?

0 Answers  


what is meant by mimic diagram ?where it is used ?plz explain briefly

2 Answers  


wow to calculate the transformer rating(KVA)

0 Answers  


which one is more efficient, torq, power & ecnomy with the same frame size AC motor / DC motor?

0 Answers  


How many types of instrument cables are there?

0 Answers  


1.WHAT ARE TRANSMISSION LINE LOSSES DURING WINTER AND SUMMER SEASON? 2.WHAT ARE THE CAUSES/ 3.WHEN THE CORONA IS MORE?.,WHETHER WINTER OR SUMMER? 4. WHAT IS THE PERCENTAGE OF LOSSES IN TRANSMISSION LINE?

1 Answers   Coastal Energen,


Categories
  • Civil Engineering Interview Questions Civil Engineering (5085)
  • Mechanical Engineering Interview Questions Mechanical Engineering (4451)
  • Electrical Engineering Interview Questions Electrical Engineering (16632)
  • 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)