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What are the potential risks of pure capacitor compensation in the presence of harmonics?

2025-12-25

1) Impacts on the system

Formation of system parallel resonance points

Occurrence of harmonic parallel resonance

Induction of harmonic amplification, increasing the system voltage distortion rate


2) Impacts on capacitors

Causing overvoltage and overcurrent of capacitors

Increasing additional power losses of capacitors

Raising the operating temperature of capacitors

Accelerating capacitor degradation

Damaging the internal insulation performance of capacitors

Shortening the service life of capacitors