Voltage Sag&Swell Generator Used in High & Low Voltage Ride Through Ability Test
Yao Xinyang1, Hu Wei2, Xu Xian2, Gu Wen3, Huang Xueliang1
1. School of Electrical Engineering, Southeast University, Nanjing 210096; 2. State Grid Jiangsu Electric Power Company, Nanjing 210024; 3. Jiangsu Frontier Electric Technology Co., Ltd, Nanjing 211102
Abstract：State grid company recently released the "Technical Manual Related to High&Low Voltage Ride Through of A Class of Auxiliary Inverter in Large Steam Turbine-Generator (draft)" and put forward the requirement of high & low voltage ride through ability. But there is a lack of the testing equipment. This paper proposes a 10kW voltage sag & swell generator used in high & low voltage ride through ability test for low-voltage auxiliary inverter. Its main topology is a back-to-back three-phase PWM converter. The generator can realize balanced or unbalanced voltage sag & swell from 0 to 130%UN. Experiment shows that this device can output target voltage accurately and rapidly and meet the requirements of high&low voltage ride through ability test for low-voltage auxiliary inverter in thermal power plant.
姚新阳, 胡伟, 徐贤, 顾文, 黄学良. 高低电压穿越能力测试用电压暂升暂降发生装置[J]. 电气技术, 2016, 17(12): 31-34.
Yao Xinyang, Hu Wei, Xu Xian, Gu Wen, Huang Xueliang. Voltage Sag&Swell Generator Used in High & Low Voltage Ride Through Ability Test. Electrical Engineering, 2016, 17(12): 31-34.
2016, Vol. 17 
