【摘要】 对三极直流输电技术的发展进行回顾,详细分析了其电路结构、电流调制工作原理,介绍其性能和特点、应用领域,阐述了该技术在工程验证中需要关注的具体问题。三极直流输电技术可以应用于将交流线路改造成直流输电线路,能够充分发挥现有交流输电线路及设备的利用率。现今三极直流输电技术研究尚停留在理论和仿真层面,但是采用现有的技术、借鉴直流输电工程多年的运行经验,实现三极直流输电并不存在不可解决的障碍。更多还原

【Abstract】 This paper review the development of the tripole HVDC transmission technology.It gives a detailed analysis of the circuit structure and the current modulation method,and describes its performance,features and applications.The specific problems of the technology in the engineering verification which should be in focus are elaborated finally.While highly more efficient in terms of existing AC lines and equipment utilization,the tripole HVDC transmission technology can be applied to convert existing AC lines to HVDC.Although research work is still paused in theoretical and simulation levels,the tripole HVDC can be achieved using equipment,technology and operating techniques already proven in existing HVDC installations while no problem cannot be overcome.更多还原