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

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

Question Posted / anil_636

4 Answers
8031 Views
Bhel, I also Faced
E-Mail Answers

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

extremely urgent please, why a fuse is used before voltmeter but not with a ammeter connected to a CT(current transformer),thanks in anticipation.