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Aug 28,2026
With the advancement of industrial automation technology, variable frequency drives (VFDs) are becoming increasingly widespread, garnering growing acclaim for their excellent speed-regulation capabilities and significant energy-saving effects. However, the harmonics generated during their operation pose an increasingly serious threat to the power grid; consequently, the need to suppress harmonic i...
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Sep 05,2026
When discussing electricity usage, people often prioritize safety while overlooking a critical factor: power quality. In reality, stable, high-quality power is a cornerstone for safe and efficient industrial production and a fundamental requirement for the reliable operation of critical facilities such as hospitals, data centers, and research institutions. It also directly impacts the daily electr...
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Sep 12,2026
In power systems, harmonics are fundamentally caused by non-linear loads. When current flows through a load and does not maintain a linear relationship with the applied voltage, a non-sinusoidal current is produced, resulting in the generation of harmonics within the circuit. Harmonic frequencies are integer multiples of the fundamental frequency; as demonstrated by the analytical principles of th...
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Sep 14,2026
Can PCS Replace a Dedicated SVG? With the rapid development of battery energy storage systems (BESS), many people ask whether the reactive power compensation function of a PCS can replace a dedicated SVG. The answer is: Sometimes yes, but not always. 1. PCS: Energy Conversion with Reactive Power Support PCS (Power Conversion System) is mainly used to convert electrical energy between the battery a...
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