大功率电力电子开关用于配电变压器无弧有载调压方案

Scheme of Arcless On-load Voltage Regulation for Distribution Transformer Using High Power Electronic Switch

在总结已有相关技术经验的基础上,提出了基于大功率电力电子开关的无孤有载调压新方案。根据目前电力电子技术发展情况,分别介绍了无弧有载调压方案适用于高电压等级和低电压等级配电变压器的2种形式,并给出了相关仿真实验波形。针对所提出的方案建立了以单片机为核心的有载调压控制系统,并通过低压模型实验验证了此新型无弧有载调压方案能够在控制系统作用下无弧、快速、可靠地进行有载调压。

A new scheme of arcless on-load voltage regulation using high power electronic switch is put forward based on the relative technology experiences. According to the development of power electronics technology, two schemes of arciess on-load voltage regulation for high voltage and low voltage distribution transformers are introduced respectively. The waveforms of simulation experiment are also given. On-load voltage regulation control system with monolithic computer as the core for the scheme is built and the experiment on low voltage model proved that arcless on-load voltage regulation could be carried out quickly and reliably by its control system in the new scheme.