How can the harmonics generated by the VFDs be mitigated ?

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Mohit Bajaj

Article Harmonics and Reactive Power Compensation of Three Phase Ind...

Yelluripati Srimayi

Thank you Mohit Bajaj

Md. Sazal Miah

this article might be considered for your problem: https://www.fluke.com/en/learn/blog/power-quality/seven-steps-to-mitigate-vfd-harmonic-issues

B Koti Reddy

with proper design of filters and multi pulse drives.

Sarmad Ibrahim

The reduction of the harmonics generated by the VFDs can be achieved by multi-stages single tuned harmonic filter design.

Sometimes harmonics like some useful harmons required to get a sinusoid from a transformer

Samuel Tadaewsky

I attached a link from youtube.com. This is a webinar about harmonics and solutions against harmonic.

Part 1: https://www.youtube.com/watch?v=SXBmDM-bVjg&t=5s

Part 2: https://www.youtube.com/watch?v=HAvqL_jBMxY

Krishna Sandeep Ayyagari

If your PLCs are connected near to VFDs, process, and control variables (PVs and CVs) may fluctuate due to harmonics introduced by VFDs, causing controller malfunction. To be on the safer side, we need harmonic filter directly connected to the incoming and outgoing power cables, and care must be taken when grounding VFDs, motors (connected to these VFDs) and other sensitive equipment (PLCs). You can get more information below.

https://www.pumpsandsystems.com/best-practices-vfd-grounding

Thanks.

Fatihhi S.J.

Harmonics components of a spectrum which integral multiplies of a fundamental frequency. A harmonic series in a spectrum is the result of a periodic signal in the wave form.