交直流一体化电源系统在特高压练塘站的应用

Application of AC/DC Integrated Power System in UHV Liantang Substation

简要分析了特高压练塘变电站交直流一体化电源系统现状及存在问题,主要包括电源的自动切换、启动、连续供电及安全可靠性问题等。通过对比500 kV变电站的交直流电源系统,介绍了特高压变电站交直流一体化电源系统的主要特点,并根据系统特点及结构原理阐述了特高压变电站交直流一体化电源系统设计的优越性和可靠性。

This paper generally analyzes the present situation and existing problems of AC /DC integrated power system in UHV Liantang substation,mainly including the automatic power switching,startup,continuous power supply and reliability and security issues. By comparing with the AC /DC power system of 500 kV substation,it introduces the main characteristics of AC /DC integrated power system in UHV substation,and based on the system characteristics and structure mechanism,it expounds the superiority and reliability of the designed AC /DC integrated power system in UHV substation.