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耐力電氣
耐力電氣
NLS Series High-Voltage Dynamic Reactive Power Compensation Device (SVG)
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.
Multifunctional IntegrationUnmatched ReliabilityWide Applicability
產(chǎn)品特點(diǎn)
Key Features
1. Multifunctional Integration: Power Quality Management: Combines reactive power compensation, harmonic compensation, and three-phase imbalance compensation to comprehensively address power quality issues. 2. Unmatched Reliability: Automatic Mechanical Bypass Without Shutdown: The power modules support automatic redundancy (N-M), ensuring uninterrupted operation even during faults. 3. Wide Applicability: Adaptable to Diverse Environments: Suitable for both outdoor and indoor applications, the NLS Series is ideal for renewable energy plants, metallurgy, mining, rail transit, ports, and more. 4. Dynamic Power Factor Compensation: Reduced Line Losses: The SVG dynamically compensates reactive power based on load variations, minimizing line losses and maximizing the utilization of generation, transmission, and distribution equipment. 5. Dynamic Harmonic Compensation: Enhanced Power Quality: Leveraging IGBT-based active filtering technology, the SVG offers fast response, high reliability, and dynamic tracking of fundamental reactive power and harmonics. Its filtering performance remains unaffected by system parameter changes, with no risk of harmonic amplification, making it the preferred energy-saving solution for dynamic reactive power compensation and harmonic mitigation. 6. Stable Transmission System Control: Increased Transmission Capacity: Installed at the midpoint of long-distance transmission lines, the SVG not only compensates for reactive power under normal conditions but also provides rapid reactive power regulation during system faults, damping oscillations and enhancing transmission system stability. This effectively increases line transmission capacity. 7. Load-Side Voltage Support: Improved Voltage Stability: In load centers with high-capacity demands and insufficient reactive power support, voltage drops and even collapses can occur. The SVG’s fast reactive power regulation capability ensures stable load-side voltage, enhancing the overall voltage stability of the power supply system. 8. Voltage Fluctuation and Flicker Suppression: Rapid Response: Non-linear and rapidly fluctuating loads can cause voltage fluctuations and flicker, adversely affecting equipment performance and productivity. The SVG’s quick response makes it particularly effective in suppressing voltage fluctuations and flicker. It is recognized by the International Council on Large Electric Systems (CIGRE) as the preferred solution for mitigating voltage fluctuations and flicker caused by rapidly varying loads like electric arc furnaces. 9. Unbalanced Load Compensation: Optimized Power Quality: Three-phase voltage imbalance can harm both user equipment and grid transmission devices. The SVG suppresses voltage fluctuations and flicker on the load side, compensates for load imbalances, improves power factor, and enhances overall power quality.
Conclusion
The NLS Series High-Voltage Dynamic Reactive Power Compensation Device (SVG) stands out as a versatile, reliable, and globally applicable solution for modern power grids. Its multifunctional integration, dynamic compensation capabilities, and robust performance make it an indispensable tool for enhancing grid stability, reducing energy losses, and improving power quality. Whether in renewable energy plants, metallurgy, mining, rail transit, or ports, the NLS Series delivers efficient and reliable power solutions, meeting the diverse needs of international markets. Choose the NLS Series SVG for a smarter, more stable, and sustainable power future.