Active Harmonic Filters (AHFs) are widely used in buildings to mitigate harmonic distortion caused by non-linear loads, ensuring power quality, energy efficiency, and compliance with standards like IEEE 519 and IEC 61000-3-6. Here are key applications of AHFs in buildings: 1. Office Buildings & Commercial Complexes Loads: LED lighting, VFDs (HVAC systems), elevators, UPS systems...
From data centers in Frankfurt to EV charging stations in Southeast Asia, Active Harmonic Filters (AHFs) are rapidly becoming the gold standard for solving one of the most overlooked yet costly problems in industrial power systems—harmonics. Modern electrical loads such as variable frequency drives, inverters, and switching power supplies generate non-linear current waveforms, resulting in h...
In our increasingly electrified world, the quality of electric power is more critical than ever. Whether we realize it or not, electric power quality affects virtually every aspect of our lives—from the functionality of household appliances and the reliability of our smartphones, to the stability of industrial systems and the safety of hospitals. Poor power quality can lead to equipment malf...
Have you ever heard of "harmonics" in electrical systems? If not, it’s time to pay attention—because these invisible distortions could be silently eroding efficiency, damaging equipment, and inflating energy costs. But what are harmonics, exactly? Think of electrical current as a symphony: ideal current flows smoothly in a single "note" (frequency). Harmonics are unwan...
Harmonics are a critical yet often overlooked phenomenon in electrical systems. They represent distortions in the ideal sinusoidal waveform of voltage or current, occurring at frequencies that are integer multiples of the fundamental power frequency (e.g., 50 Hz or 60 Hz). While harmonics are inherent in modern power systems, their uncontrolled presence can lead to severe operational and financial...
Essential Steps for Sizing Active Harmonic Filters 1. ✅ Conduct Harmonic Analysis: Begin by performing a thorough harmonic assessment. Identify the specific harmonic frequencies pres...
Reducing Harmonics in Photovoltaic Grid Integration As solar penetration accelerates, photovoltaic (PV) plants are increasingly connected to distribution networks through power-electronic interfaces. While modern inverters are far cleaner than their predecessors, they still inject non-sinusoidal currents that distort the grid voltage. Left unchecked, these harmonics overheat transfor...
The textile sector, a linchpin of global manufacturing, has embraced automation and energy-efficient technologies to stay competitive. Yet, the proliferation of Variable Frequency Drives (VFDs), DC-powered machinery, and smart equipment has unleashed an invisible enemy: harmonic pollution. These distortions degrade power quality, disrupt production, and inflate costs—posing a criti...