变电站站用电源系统在线状态评估系统架构及关键策略研究  

Architecture and key strategy of online state assessment system for substation auxiliary power supply system

作　　者：王立鼎[1] 詹庆才[1] 殷建军[1] 杨常府[1] 王均慧[1] 聂晓波[2] WANG Liding;ZHAN Qingcai;YIN Jianjun;YANG Changfu;WANG Junhui;NIE Xiaobo(Beijing Sifang Automation Company Limited,Beijing 100085,China;School of Electrical Engineering,Beijing Jiaotong University,Beijing 100044,China)

机构地区：[1]北京四方继保自动化股份有限公司,北京100085 [2]北京交通大学电气工程学院,北京100044

出　　处：《华电技术》2021年第5期15-22,共8页HUADIAN TECHNOLOGY

基　　金：中央高校基本科研业务费专项资金资助项目(E17JB00030)。

摘　　要：变电站站用电源系统是保障变电站安全可靠运行的重要环节,主要由站用交流电源系统、直流电源系统和交流不间断电源系统3部分组成。为了有效在线评估变电站站用交、直流电源的运行状态,提出一种主、子系统协同配合的变电站站用电源在线评估系统,介绍了主、子系统的主要功能及组成部分,详细阐述了评估流程,以及交流电源设备、逆变电源设备、直流/直流(DC/DC)通信电源设备和直流电源设备的评估原则及策略。结合系统在现场的实际应用情况,验证其可有效保障变电站站用电源系统的安全稳定运行,具备一定工程推广应用价值。Auxiliary power supply system of a substation is important to the station's safe and reliable operation.The system is mainly composed of AC power supply system,DC power supply system and AC uninterruptible power supply system.To effectively evaluate the operation states of AC and DC power supply systems,an online state assessment system for substation auxiliary power supply system is proposed which works with the collaboration of the main system and the subsystem.After introducing the main functions and components of the main and sub-systems,the assessing process and the criteria for assessing the AC power supply equipment,inverter power equipment,DC/DC communication power supply equipment and DC power supply equipment are expounded.According to its application situation in a substation,the assessment system is proven to be effective in keep the safe and reliable operation of auxiliary power supply system in substation.It is of engineering application value.

关 键 词：变电站 电源系统 在线状态评估 交流电源设备 逆变电源设备 DC/DC通信电源设备 直流电源设备 

分 类 号：TK323[动力工程及工程热物理—热能工程] TM734[电气工程—电力系统及自动化]