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

Answer Posted / 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.

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