In an era where industries face mounting pressure to balance operational efficiency with regulatory compliance, Active Harmonic Filters (AHFs) have emerged as a critical technology at the intersection of business strategy and energy policy. As nonlinear loads like data centers, electric vehicle chargers, and industrial automation proliferate, AHFs are no longer just an engineering soluti...
Photovoltaic Power Quality: Prevent Penalties via Power Factor Management Introduction More factories and businesses now use solar power systems. But these systems can cause power quality problems. A big issue is low power factor. Power companies charge extra fees for low power factor. This article explains why solar systems hurt power factor and how YT Electric’s SVGs solve this problem. &n...
Why is CT Selection the Core of AHF System Performance? The current transformer (CT), as the "sensing organ" of the active harmonic filter (AHF), directly affects the accuracy of harmonic detection and the dynamic response speed. If the CT is not properly selected, the following problems may occur: Failure of Harmonic Compensation: Low-frequency or high-frequency harmonics are missed in det...
IEC vs IEEE Standards for Active Harmonic Filters Explore key differences between IEC 61000 and IEEE 519 standards for Active Power Filters (APF), including harmonic limits, testing protocols, and adaptive solutions. Discover YT Electric’s globally compliant APF systems. Why Dual Compliance Matters for APF in Global Projects? Modern power quality challenges require activ...
Understanding the Principles of Active Harmonic Filters (AHF) Active Harmonic Filters (AHF) are devices used to improve power quality. They reduce harmonic distortions and compensate for reactive power in electrical systems. The main idea behind AHF is to detect and counteract unwanted harmonic currents and reactive power. This helps make the power system more efficient and stable. Let&rsqu...
The Definition of Active Harmonic Filters (AHF) An Active Harmonic Filter (AHF) is an important device that improves power quality. Its main jobs are to reduce harmonic distortion in power systems and to adjust reactive power as needed. The AHF connects to the grid in parallel and performs real-time detection of harmonic components in the grid. A power converter creates a compensation current. Thi...
An Active Harmonic Filter (AHF) is a dynamic power quality management device. It based on power electronics technology, primarily designed to eliminate harmonic currents and compensate reactive power in electrical systems. Its core operation revolves around real-time detection, calculation, and dynamic compensation of harmonic distortions. So what situation do we need this equipment? Metallurgy In...
Both Passive Power Factor Correction(PPFC) and Active Power Factor Correction(APFC) are used to improve power factor and reduce reactive power, but they differ in complexity, cost, and performance. Passive Power Factor Correction (PPFC) Method: Uses passive components (capacitors, reactors, or filters) to compensate for reactive power. Types of Passive PFC: A. Capacitor Ba...
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