井下1140V级联STATCOM关键技术的研究

Research on Underground 1140 V Cascade STATCOM Key Technologies

针对煤矿井下1 140 V就地补偿设备-STATCOM,研究了级联STATCOM的主电路拓扑结构,调制原理和直流侧电容电压平衡的控制策略。在Matlab中搭建了级联H桥STATCOM,仿真结果表明,井下1 140 V级联STATCOM能够根据负载的波动快速的实现动态无功补偿。开发了100 kvar、1 140 V级联STATCOM,并得到实际应用。现场运行结果表明,井下1 140 V级联STATCOM具有很好的无功补偿效果。

For the 1140 V local compensation for coal mine equipment-STATCOM, study cascade STATCOM main circuit topology, the modulation principle and DC capacitor voltage balance control strategies. Cascade H-bridge STATCOM is built in Matlab, simulation results show that the underground 1140V cascade STATCOM can quickly achieved according to the fluctuation of the load dynamic reactive power compensation. Developed 100 kvar, 1140V cascade STATCOM, and practical application. Field operation shows that the underground 1140V cascade STATCOM reactive power compensation has a good effect.