Page 101 - 《中国电力》2026年第5期

第 59 卷 第 5 期 Vol. 59, No. 5
2026 年 5 月 ELECTRIC POWER May 2026

引用格式：石恒初, 陈晓帆, 游昊, 等. 基于录波数据的全域继电保护时钟失步智能校核系统设计[J]. 中国电力, 2026, 59(5): 97−108.
Citation: SHI Hengchu, CHEN Xiaofan, YOU Hao, et al. Design of global relay protection clock desynchronization intelligent verification system
based on waveform recording data[J]. Electric Power, 2026, 59(5): 97−108.

基于录波数据的全域继电保护时钟

失步智能校核系统设计

石恒初 ，陈晓帆 ，游昊 ，虎啸 ，许守东 ，关远鹏 3
2
1
1
1
1
(1. 云南电网有限责任公司，云南 昆明 650011；2. 云南电网有限责任公司电力科学研究院，云南 昆明 650217；
3. 广东工业大学 自动化学院，广东 广州 510006)
Design of global relay protection clock desynchronization intelligent verification
system based on waveform recording data

1
1
1
2
1
SHI Hengchu , CHEN Xiaofan , YOU Hao , HU Xiao , XU Shoudong , GUAN Yuanpeng 3
(1. Yunnan Power Grid Co., Ltd., Kunming 650011, China; 2. Electric Power Research Institute of Yunnan Power Grid Co., Ltd., Kunming
650217, China; 3. School of Automation, Guangdong University of Technology, Guangzhou 510006, China)

Abstract: Time synchronization of protective relay devices is operation maintenance of clock synchronization status under
essential for post-fault incident analysis and action tracing in relay protection device clock desynchronization.
new power systems. To address the limitations of incomplete This work is supported by National Natural Science Foundation
clock monitoring coverage, reliance on manual synchronization of China (No.62301168); Science and Technology Project of
correction, and lack of a unified management platform, this Yunnan Power Grid Co., Ltd. (No.YNKJXM20240221).
paper establishes a global clock desynchronization intelligent Keywords: waveform recording data; protective relay device;
verification system for protective relay devices based on clock desynchronization monitoring; clock-offset estimation;
waveform recording data. Leveraging the existing master-slave condition-based maintenance
waveform recording architecture, the system deploys an online
monitoring unit for relay protection clock desynchronization at 摘 要：继电保护装置的时间同步对新型电力系统故障
the master station, which centrally accesses wave recording 后的事故分析和动作追溯至关重要。为解决传统时钟监
data from multiple substations. Two schemes are designed, 测覆盖不全、同步校正依赖人工、缺乏统一管理平台的
namely time-phased remote startup monitoring and homologous 问题，建立基于录波数据的全域继电保护时钟失步智能
data comparison monitoring, to realize online monitoring of 校核系统。系统依托现有录波主–子站架构，在主站侧部
clock-offset of global protection devices under both fault and 署继电保护时钟失步在线监测单元，统一接入多厂站录
non-fault conditions. On this basis, the system incorporates a 波数据，设计分时段远程启动监测和同源数据比对监测
Kalman filtering intelligent verification algorithm with clock- 两类方案，实现故障与非故障场景下的全域保护装置时钟
offset–drift rate as state variables, which filters and predicts 偏差在线监测。在此基础上，系统内置以“时钟偏差-漂
multi-time observation results while considering the influence 移率”为状态变量的卡尔曼滤波智能校核算法，在考虑
of measurement noise to generate more accurate deviation 测量噪声影响的条件下对多时刻观测结果进行滤波与预
verification values. Field applications demonstrate that the 测估计，生成更精准的偏差校准量。应用结果表明，系
system can effectively identify desynchronized relays and 统可有效监测出时钟失步的继电保护装置，并可将同步
maintain the post-synchronization clock deviation of devices 校准后装置时钟偏差稳定控制在 20 ms 以内，有利于开展
within 20 ms, which is conducive to post-incident analysis and 继电保护装置时钟失步下的事故后分析和时钟同步状态
运行维护。
收稿日期：2025−12−19； 修回日期：2026−03−24。
关键词：录波数据；继电保护装置；时钟失步监测；时
基金项目：国家自然科学基金资助项目（62301168）；云 钟偏差计算；状态运行维护
南电网有限责任公司科技项目（YNKJXM20240221）。 DOI：10.11930/j.issn.1004-9649.202512042

97