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Ｓ Ｔ Ａ Ｔ Ｃ Ｏ Ｍ 是重要的并联型 Ｆ Ａ Ｃ Ｔ Ｓ 设备，可有效地改善系统电压调节特性，抑制冲击负荷造成的电压波动。通过理论分析和在±１０ ｋａｖｒ Ｓ Ｔ Ａ Ｔ Ｃ Ｏ Ｍ 装置上的动态模拟实验，介绍了通过无功补偿维持负荷端电压的机理；报道了 Ｓ Ｔ Ａ Ｔ Ｃ Ｏ Ｍ 用于电压调节的动模实验结果。实验结果显示，无论是连续变化的负荷还是冲击负荷， Ｓ Ｔ Ａ Ｔ Ｃ Ｏ Ｍ 都可有效地维持负荷端的电压，从而达到改善供电质量的目的。
S T A T C O M is an important shunt F A C T S device that can effectively improve the system voltage regulation characteristics and suppress the voltage fluctuations caused by impact load. The mechanism of maintaining load terminal voltage by reactive power compensation is introduced through theoretical analysis and dynamic simulations on a ± 10 kavr S T A T C O M device. It is reported that S T A T C O M is used for voltage regulation Model experimental results. The experimental results show that, whether it is a continuous load or an impact load, S T A T C O M can effectively maintain the voltage at the load terminal so as to achieve the purpose of improving the power supply quality.