毫秒级精准负荷控制系统装置研制  

Research and Development of Device of Millisecond Precise Load Control System

作　　者：杨智德 王宏杰 闫志辉 余高旺 李刚 白申义 YANG Zhide;WANG Hongjie;YAN Zhihui;YU Gaowang;LI Gang;BAI Shenyi(XJ Electric Co.,Ltd.,Xuchang 461000,China)

机构地区：[1]许昌许继软件技术有限公司,河南许昌461000

出　　处：《自动化仪表》2018年第11期11-16,共6页Process Automation Instrumentation

基　　金：国网公司科技基金资助项目(XTB17201600335)

摘　　要：为适应特高压(UHV)交直流电网的发展现状和满足大电网安全综合防御体系的建设需求,研制了精准负荷控制装置。该装置能够实时采集和上传可切负荷量,并依据控制策略、就地频率判据,实现切除负荷量的计算、执行及负荷恢复。同时,该装置能与监控系统、控制总站进行实时通信。从软硬件的设计、实现等方面,对装置进行了优化。采用多层级的精准切负荷控制策略、通信报文多重校验防误和多通道并行处理等关键技术,实现了毫秒级快速切除可中断负荷。该装置最终通过了型式试验。试验结果表明:该装置功能、性能、指标满足设计预期,满足了精准负荷控制系统整体动作时间不大于100 ms的指标要求。In order to adapt to the development status of UHV AC/DC power grid and to meet the construction requirements of the grid security integrated defense system for large power grid,the precise load control device is researched and developed.The device is capable of real-time collection and uploading of load shedding,and in accordance with the control strategy and the local frequency criterion,the calculation of the cutting load is realized,and load recovery can be executed.In addition,the device can communicate with the monitoring system and the control station in real time.The device is optimized from the aspects of software and hardware design and implementation.By using multi-level precision load shedding control strategy,communication message multi-check error prevention and multi-channel parallel processing and other key technologies,ms-level fast cutoff interruptible load is achieved.The developed device finally has passed the type test.The test results show that the function,performance and index of the device meet the design expectations,and the overall action time of the precise load control system is less than 100 ms.

关 键 词：电网安全 精准切负荷 控制策略 HDLC协议 就地频率判别 负荷恢复 多重防误校验 可视化逻辑编程 

分 类 号：TH137.8[机械工程—机械制造及自动化] TP23[自动化与计算机技术—检测技术与自动化装置]