基于逆阻型IGCT的无功功率快补技术研究  

Research on Reactive Power Fast Compensation Technology Based on Reverse Blocking IGCT

作　　者：黄永瑞 韩坤[1,2] 邵珠柯 王宇丁 HUANG Yong-rui;HAN Kun;SHAO Zhu-ke;WANG Yu-ding(Xuji Group Corporation,Xuchang 461000,China)

机构地区：[1]许继集团有限公司,河南许昌461000 [2]许继电气股份有限公司,河南许昌461000

出　　处：《电力电子技术》2023年第6期137-140,共4页Power Electronics

基　　金：河南省重大科技专项(221100240500)。

摘　　要：电网电压的稳定是保证其安全运行的关键,提升负荷侧无功功率快速补偿能力,缩短电网扰动后的恢复时间,是增强其稳定性的有效手段。此处从逆阻型集成门极换流晶闸管(IGCT)器件基本特性出发,提出了一种无功功率快补技术,介绍了其工作原理,搭建了系统仿真模型,通过仿真验证了无功功率快补装置对支撑电网电压的有效性。提出了基于逆阻型IGCT和晶闸管反并联的无功功率快补装置拓扑,提出了控制逻辑,设计并研制了35 kV逆阻型IGCT阀样机。搭建了试验系统,对逆阻型IGCT阀样机进行了连续3次投退试验及电流关断试验,验证了其运行能力和主动关断能力,试验结果满足技术要求,证明了设计的正确性。该研究结果可为后续无功功率快补装置的工程应用及逆阻型IGCT器件的工程实施提供参考。The stability of power grid voltage is the key to ensure its safe operation.Improving the rapid compensation capability of reactive power on the load side and shortening the recovery time after grid disturbance are effective means to enhance its stability.Based on the basic characteristics of reverse blocking integrated gate commutator thyristor(IGCT)devices,a reactive power fast compensation technology is proposed,its working principle is introduced,and a system simulation model is built.The effectiveness of the reactive power fast compensation device to support the grid voltage is verified through simulation.The topology of reactive power fast compensation device based on reverse blocking IGCT and thyristor reverse parallel connection is proposed,the control logic is proposed,and a 35 kV reverse blocking IGCT valve prototype is designed and developed.The test system is built,and the reverse blocking IGCT valve prototype is tested for 3 times of continuous on/off test and current turn off test,which verifies its operation capability and active turn off capability.The test results meet the technical requirements and prove the correctness of the design.The research results can provide reference for the engineering application of reactive power fast compensation device and the engineering implementation of reverse blocking IGCT device.

关 键 词：集成门极换流晶闸管 无功功率 快补技术 

分 类 号：TN34[电子电信—物理电子学]