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...
Power Quality Solutions: The Role of AHF and SVG Modern power systems face increasing power quality issues such as harmonic distortion, voltage fluctuations, and reactive power imbalance. These problems can damage equipment and reduce system efficiency. Traditional solutions like capacitor banks and passive filters have limitations in speed, accuracy, and harmonic adaptability. ...
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...
1. Current Transformer (CT) A Current Transformer is an instrument transformer used to measure alternating current (AC) by stepping down high currents to a lower, measurable value. Key Functions: Current Measurement: Steps down high primary current (e.g., 1000A) to a standardized secondary current (e.g., 5A or 1A) for meters and relays. Isolation: Provides galvanic isolation be...
In today’s increasingly digital and power-electronic-driven world, understanding power quality parameters is essential—especially for engineers, technicians, and facility managers. One such important metric is THDi, or Total Harmonic Distortion of current. But what exactly is THDi, and how does it occur in electrical systems? What is THDi? THDi stands for Total Harmonic D...
English
français
Deutsch
español
العربية
中文
IPv6 network supported
