As the world accelerates its transition toward low-carbon and sustainable energy systems, the integration of renewable energy—such as solar, wind, and hydropower—has become a central pillar of national energy strategies. However, this rapid shift has introduced new challenges to the stability and reliability of power systems. One of the most critical concerns is power quality&md...
China Power Quality Issues: Impacts, Costs, and Advanced Solutions In the rapidly evolving landscape of China's power sector, power quality issues have emerged as a critical challenge, demanding immediate attention and effective solutions. This article conducts a comprehensive analysis of the impacts, costs, and advanced equipment solutions related to power quality in China, drawing insight...
Active Harmonic Filters: The Smart Way to Fix Harmonic Distortion Harmonic distortion is one of those hidden issues that can quietly wreak havoc on your electrical system. It’s responsible for things like overheated transformers, motor failures, and unexpected equipment shutdowns. If your facility uses a lot of variable-speed drives or other nonlinear loads, chances are you’ve s...
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...
What is Intelligent Tuning Integrated Capacitor ? In today’s low-voltage power distribution systems, improving energy efficiency and ensuring power quality are more important than ever. That’s where the Intelligent Tuning Integrated Capacitor comes into play. What Is an Intelligent Tuning Integrated Capacitor? The Intelligent Tuning Integrated Capacitor is a modern power compensation s...
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...
The combination of a Static VAR Generator (SVG) and Thyristor-Switched Capacitor (TSC) creates a high-performance hybrid reactive power compensation system. This setup leverages the fast dynamic response of the SVG with the cost-effective bulk compensation capability of TSC. How SVG + TSC Works SVG (Static VAR Generator) Uses a voltage-source converter (VSC) with IGBT...
Source-Grid-Load-Storage (SGLS) is a novel coordinated operational model for energy and power systems. It aims to build a flexible, efficient, and clean modern power system by integrating energy production, transmission, consumption, and storage. This concept represents a key solution to challenges such as large-scale renewable energy integration and dynamic power supply-demand balance amid t...