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Jun 23,2026
Understanding Four-Quadrant Reactive Power Compensation Controller The four-quadrant reactive power compensation controller solves this pain point with full-range PQ vector detection. It accurately distinguishes four operating modes: grid supply with inductive loads, grid supply with capacitive loads, on-site power generation with inductive reactive power, and grid feedback with capacitive reactiv...
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Jun 24,2026
When a sinusoidal voltage is applied to a non-linear circuit, both the resulting current and the voltage waveform become non-sinusoidal. Through Fourier series decomposition of these non-sinusoidal waves, the component with a frequency equal to the power system frequency is identified as the fundamental wave, while components with frequencies higher than the fundamental are termed harmonics. A vas...
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Jun 26,2026
The complete process of electricity generation and use can be clearly divided into four main stages: power generation → transmission → distribution → consumption. First, power plants convert various primary energy sources (such as coal, hydropower, wind power, nuclear power, and solar energy) into electrical energy. Then, the large amount of electricity generated by the power plants is efficiently...
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Jul 01,2026
APF and SVG are two important devices used in power systems to improve power quality. We frequently encounter them in our work; what are the differences between them, and what are their functions? 1.What is APF? The Active Power Filter (APF) is a specialized device for mitigating power harmonics, developed using modern power electronics and digital signal processing technology based on high-speed ...
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