针对浙江电网多馈入直流系统可能由于交流系统故障引起的持续换相失败问题,以换相失败本质为理论依据,在搭建系统模型的基础上验证了大容量静止无功发生器(static var generator,SVG)、调相机在抑制持续换相失败中的作用,同时提出采用...针对浙江电网多馈入直流系统可能由于交流系统故障引起的持续换相失败问题,以换相失败本质为理论依据,在搭建系统模型的基础上验证了大容量静止无功发生器(static var generator,SVG)、调相机在抑制持续换相失败中的作用,同时提出采用电压时间面积法优化直流控制保护降低直流持续换相失败的概率,该方法可在交流系统接地故障时通过对熄弧角的控制抑制多回直流输电系统持续换相失败,最后通过系统试验验证了面积法的改善性能。展开更多
基金supported by the National Natural Science Foundation of China(U22A20561 and 41922005)the Tibetan Plateau Scientific Expedition and Research Program(2019QZKK0202)+3 种基金the National Key Research and Development Program of China(2022YFC3204100)the Nanjing Institute of Geography and Limnology,Chinese Academy of Sciences Foundation(E1SL002)supported by the Tübitak Program BIDEB2232(Project 118C250)supported by a UK Research and Innovation(UKRI)Natural Environment Research Council(NERC)Independent Research Fellowship(NE/T011246/1)。
基金supported by the National Natural Science Foundation of China (U22A20561 and 41922005)the Tibetan Plateau Scientific Expedition and Research Program (2019QZKK0202)+4 种基金the Foundation of Nanjing Institute of Geography and Limnology,Chinese Academy of Sciences (E1SL002)the Water Resource Science and Technology Project in Jiangsu Province (2020057)the Key Research and Development Program of Jiangsu Province (Social Development) (BE2022857)the TüBITAK BIDEB2232 Program (118C250)the UKRI Natural Environment Research Council (NERC) Independent Research Fellowship (NE/T011246/1)。
文摘针对浙江电网多馈入直流系统可能由于交流系统故障引起的持续换相失败问题,以换相失败本质为理论依据,在搭建系统模型的基础上验证了大容量静止无功发生器(static var generator,SVG)、调相机在抑制持续换相失败中的作用,同时提出采用电压时间面积法优化直流控制保护降低直流持续换相失败的概率,该方法可在交流系统接地故障时通过对熄弧角的控制抑制多回直流输电系统持续换相失败,最后通过系统试验验证了面积法的改善性能。
