静止无功发生器(Static Var Generator),简称SVG,又称高压动态无功补偿发生装置或静止同步补偿器。是指由自换相的电力半导体桥式变流器来进行动态无功补偿的装置。SVG是目前无功功率控制领域内的最佳方案。相对于传统的调相机、电容器...静止无功发生器(Static Var Generator),简称SVG,又称高压动态无功补偿发生装置或静止同步补偿器。是指由自换相的电力半导体桥式变流器来进行动态无功补偿的装置。SVG是目前无功功率控制领域内的最佳方案。相对于传统的调相机、电容器电抗器、以晶闸管控制电抗器TCR为主要代表的传统SVC等方式,SVG 的调节速度更快,运行范围更宽 ,而且在采取多重化或PWM 技术等措施后可大大减少补偿电流中谐波的含量,是今后电网无功补偿的重要发展方向。展开更多
The dynamic reactive power compensation equipment in Jiuquan Wind Power Base of above 10 GW consists of three different types of compensation devices, including: static var generator (SVG), thyristor controlled com...The dynamic reactive power compensation equipment in Jiuquan Wind Power Base of above 10 GW consists of three different types of compensation devices, including: static var generator (SVG), thyristor controlled compensator (TGR) and magnetically controlled reactor (MGR). The lack of experimental verification of performance is not conducive to voltage/var management or full utilization of device capaci- ties. In order to solve the above problems, the compensation device performance test was performed. The test items and procedures were selected based on related national standards with the consideration for different grid structures and wind farm operation modes. The testing contents included dynamic regulating range, active power loss, dynamic response time, and harmonic voltage level. Three types of compensation devices installed in different wind farms, namely SVG, TCR and MCR, were chosen and tested. The performances were compared and analyzed according to the field test results.展开更多
文摘The dynamic reactive power compensation equipment in Jiuquan Wind Power Base of above 10 GW consists of three different types of compensation devices, including: static var generator (SVG), thyristor controlled compensator (TGR) and magnetically controlled reactor (MGR). The lack of experimental verification of performance is not conducive to voltage/var management or full utilization of device capaci- ties. In order to solve the above problems, the compensation device performance test was performed. The test items and procedures were selected based on related national standards with the consideration for different grid structures and wind farm operation modes. The testing contents included dynamic regulating range, active power loss, dynamic response time, and harmonic voltage level. Three types of compensation devices installed in different wind farms, namely SVG, TCR and MCR, were chosen and tested. The performances were compared and analyzed according to the field test results.