实验结果表明本实验装置系统能成功实现对输出电压和频率进行调节，进一步验证了四步换流技术的可行性。
The results of the experiment successfully show that it can realize the modulation of the frequency of the output voltage. meanwhile, it validates the feasibility of four-step commutation strategy.
换流站直流滤波装置的设计关系到高压直流输电系统的安全与经济性。
The design of filtering equipments at dc side of the converter substations is relative to the security and economy of the high voltage direct current (HVDC) transmission system.
换流变压器绝缘最关键的部位是由套管及纸板围屏系统组成的阀侧出线装置。
The most important part of converter transformer insulation is the valve side outlet device, which consists of bushing and surrounding barrier system.
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