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Overview
With the rapid development of the global economy, power grid environments are becoming increasingly complex. The widespread adoption of new equipment and technologies has significantly impacted power quality. The rise of non-linear loads in power systems has exacerbated harmonic pollution, while the operation of impactive and fluctuating loads such as electric arc furnaces, large rolling mills, and electric locomotives not only generates impulsive reactive currents, leading to low power factor and voltage fluctuations, but also produces substantial low-order and high-order harmonic currents. These issues cause equipment overheating, increase line losses, and shorten the lifespan of electrical devices.

To address these challenges, Naili Electric introduces the NLS Series High-Voltage Dynamic Reactive Power Compensation Device (SVG). This advanced system integrates three key functionalities—reactive power compensation (SVG), harmonic compensation (APF), and load balancing compensation (LBC)—into a single solution. By adjusting the amplitude and phase of the output voltage on the AC side of the bridge circuit, the NLS Series enables the converter to generate continuously variable capacitive or inductive reactive currents, as well as harmonic compensation currents. This dynamic compensation capability significantly enhances grid voltage stability, improves power factor, suppresses voltage flicker, reduces energy losses, and optimizes power quality.