Aodong Electric SVG centralized compensation distribution room in coking plant
At Aodong Electric's SVG system in the centralized compensation distribution room of the coking plant, the 35kV transformer operates with two 6kV bus sections. The bus tie switch remains permanently closed. Previously, high-voltage capacitor compensation cabinets were used, each compensating 2000Kvar (1200Kvar + 800Kvar) per bus section. However, these aging cabinets have exceeded their warranty period due to years of neglect. Retaining them for maintenance would be impractical given the substantial costs and recurring repair risks.
The power supply department in this region implements tiered pricing based on power factor levels, with higher efficiency resulting in lower electricity costs. Recognizing time is money, the facility owner carefully evaluated options before ultimately selecting Xiangyang Aodong Electric Co., Ltd.'s high-performance high-voltage dynamic reactive power compensation device (SVG) – a cutting-edge solution that perfectly matches their operational needs.
Our technical engineers have developed two customized 6kV 2Mvar high-voltage dynamic reactive power compensation (SVG) systems for clients, tailored to their specific operational needs. The design employs master-slave control technology, with the bus tie switch remaining permanently closed. These SVG units can operate in parallel through fiber-optic interconnection or be flexibly deployed separately based on production load variations. This configuration offers dual benefits: parallel operation when compensation capacity exceeds 2Mvar, and standalone operation when below 2Mvar. This smart solution not only resolves power factor issues but also avoids unnecessary waste from operating an extra unit, achieving both efficiency and cost-effectiveness.
Since the equipment went into operation, its monthly power factor has consistently remained above 0.95. The company's owners have been eligible for subsidized electricity rates from the power department, resulting in substantial monthly cost savings and economic benefits. To improve the power factor, we recommend using Aodong Electric's compensation cabinets. The SVG dynamic compensation cabinet provides precise power factor correction within 5mS, effectively boosting the power factor to 98%.

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