in most industies hormonics present up to some level. what
is limit ? and there effect?

Answers were Sorted based on User's Feedback



in most industies hormonics present up to some level. what is limit ? and there effect?..

Answer / ashim kumar das

In an industry harmonics are measured as TOTAL HARMONIC
DISTORITION (THD), which permissible limit in most of the
industries is 3%.

No doubt harmonic create losses, moreover puncture of
Capacitor banks,unwanted heating of motor are also the main
disadvantages of harmonics.

Is This Answer Correct ?    10 Yes 0 No

in most industies hormonics present up to some level. what is limit ? and there effect?..

Answer / sachin_pawaskar2001

The permissible harmonic distortion For Volage harmonics it
is 5% & for current harmonics 10%.

Harmonics cause voltage distortion & losses in system.

Is This Answer Correct ?    7 Yes 1 No

in most industies hormonics present up to some level. what is limit ? and there effect?..

Answer / manoj sharma

My dear friends sachine and ashwin please tell me...how
harmonics content is measured...what are the formulas and
procedures to do that...How we can eliminate the
harmonics..how these device works....please clarify...

Is This Answer Correct ?    0 Yes 0 No

in most industies hormonics present up to some level. what is limit ? and there effect?..

Answer / antarjyami behera

Harmonic frequency is a disturbance of the signal

Is This Answer Correct ?    0 Yes 0 No

Post New Answer

More Electrical Engineering Interview Questions

what is technical diffrence between table fan and ceiling fan

5 Answers  


whay we transmit power in 3phase no in 4 or 2 or 5......etc?

4 Answers   CCCL,


What is SFU ?

4 Answers  


define the active power?

0 Answers  


how to compare with Relay settings for HT&LT panels, RMU panel, and PSS CSS transformer?? 1) Load amps, 2)Tripping time, 3) CT ratio, 4)Cable size 5) Transformer KVA rating 6) transformer full load amps

0 Answers  






what is isolation Transformer?

8 Answers   HP,


what ever the ups kva it may 500 kva or 500 va always out put is AC 240 volts its right?

3 Answers  


How many double suspension hardware fittings are required on a double circuit transmission tower?

0 Answers  


Write down the brushes of a de machine.

0 Answers  


how to caculate no load loss, load losses & impedance percentage in power or distribution transformers

4 Answers  


How to calculate the current rating of power cables ?

1 Answers  


What are the advantages & disadvantages of a group electrive drive?

0 Answers  


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)