摘要
电网中无功功率的变化会导致电压的波动,为调节无功功率,需对电压进行调节,电力变压器有载分接开关是电压调节的重要手段。通过分析不同类型有载分接开关的工作原理和调压过程,对机械式、电力电子式和混合式有载分接开关进行了对比研究,总结了它们的优缺点。介绍了三种混合式有载分接开关的结构及实现时存在的技术难点,为进一步开展混合式有载分接开关研究提供了参考。
Changes of reactive power will lead to voltage fluctuations in power system. In order to adjust reactive power, there is a need to have voltage adjustment, and power transformer on-load tap-changer is an important means for voltage adjustment. Via analysis of working principle and on-load tap-changer voltage adjusting process of different kind of on-load tap-changers, comparisons were carried out for mechanical type, power electronic type and hybrid type, their advantages and disadvantages summarized. Introduction was made to structures and existing technical difficulties in realization for three kinds of hybrid type on-load tap-changers, which provided reference for further carrying out hybrid type on-load tap-changer study.
出处
《电工电气》
2013年第10期1-5,共5页
Electrotechnics Electric
