
Harmonic distortion is one of the most overlooked sources of energy waste in modern industrial plants. Variable frequency drives, UPS systems, LED drivers, and switching power supplies inject harmonic currents into the supply network and distort the voltage waveform.
When harmonics rise, transformers run hotter, cables carry extra current, capacitor banks fail early, and sensitive electronics begin to trip without a clear fault. In many Tamil Nadu factories, this hidden waste adds 15–25% to avoidable energy losses and increases maintenance cost.
Passive harmonic filters use tuned LC circuits to target dominant harmonic orders, while active harmonic filters inject counter-currents in real time to cancel distortion across a wider spectrum. The right choice depends on load profile, THD levels, and future expansion plans.
A proper site study should measure current and voltage harmonics at key feeders, identify resonance risk, and size filters to meet IEEE 519 / IEC guidance. After installation, before-and-after logging confirms THD reduction and energy savings.
Durasun Electrics Projects designs and commissions harmonic filter solutions for textile mills, automobile ancillaries, process plants, and commercial buildings — helping clients cut electricity bills, stabilize processes, and extend equipment life.
Controlling harmonics is often one of the fastest payback power-quality investments an industrial plant can make — typically within 12 to 18 months.
