基于改进HMM模型的变电站二次设备顺控操作自动实现方法  

Automatic Implementation Method for Sequential Control Operation of Secondary Equipment in Substations Based on Improved HMM Model

作　　者：徐晓杰 王熠东 XU Xiaojie;WANG Yidong(Nanrui Group(State Grid Electric Power Research Institute)Co.,Ltd.,Nanjing,Jiangsu 210000,China)

机构地区：[1]南瑞集团(国网电力科学研究院)有限公司,江苏南京210000

出　　处：《自动化应用》2024年第20期91-94,共4页Automation Application

摘　　要：在顺控操作过程中,涉及多个设备和系统之间的信息交互,但信息交互存在延迟,易出现误操作。为此,研究基于改进HMM模型的变电站二次设备顺控操作自动实现方法。首先,利用改进后的HMM模型来获取变电站二次设备的状态信息,对获取的设备状态信息进行状态管理;其次,根据设备状态划分闭锁信号进行顺控预演,决定哪些设备可以或不可以操作;最后,通过设置控制序列,实现二次设备的顺控操作。结果表明,与基于监控系统的自动顺控和基于PLC的自动顺控方法相比,基于改进HMM模型的变电站二次设备顺控操作自动实现方法的误操作率较低,在0.01%~0.05%之间,具有广阔的应用前景。In the process of sequential control operation,there is information exchange between multiple devices and systems,but there is a delay in information exchange,which can easily lead to misoperation.Therefore,a method for automatically implementing sequential control operations of secondary equipment in substations based on an improved HMM model is studied.Firstly,the improved HMM model is used to obtain the status information of secondary equipment in the substation,and the obtained equipment status information is managed accordingly.Secondly,based on the equipment status,divide the locking signal for sequential control rehearsal to determine which equipment can or cannot be operated.Finally,by setting the control sequence,the sequential control operation of the secondary equipment can be achieved.The results show that compared with the automatic sequence control methods based on monitoring systems and PLC,the error rate of the automatic implementation method for sequence control of secondary equipment in substations based on the improved HMM model is lower,ranging from 0.01%to 0.05%,and has a wide range of application prospects.

关 键 词：改进HMM模型 变电站二次设备 顺控操作 自动实现 

分 类 号：TM63[电气工程—电力系统及自动化]