一种输电线路多参数可视化物联监测系统
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TM764

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国家重点研发计划项目(2017YFA0700300);浙江省重点研发计划项目(2018C01081)


Multi-parameter visual IoT monitoring system for transmission lines
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    摘要:

    为了降低覆冰和舞动等灾害对输电线路造成的破坏,并实时监测电网的运行状态,设计并研制了一种高压输电线路多参数可视化物联监测系统,能够以2M/s速率高速监测输电线路电流,同时监测线路舞动、环境温湿度等参数。物联监测系统中的各个监测模块内置于导线综合状态监测球,对输电线路进行2M/s高速录波的同时,通过归一化电流差值识别算法进行电流故障识别,将故障前后的10个周期的录波数据传出。利用全球定位系统(GPS)秒脉冲(PPS)信号实现全电网不同终端的高速采样信号严格对齐,时间分辨率达到了100ns,确保了高速录波数据的时间一致性。高压线路试验结果表明,该装置可实时高速录波和进行电流故障诊断,利用多参数综合监测输电线路的运行状态。

    Abstract:

    In order to reduce the damage to transmission lines caused by disasters such as icing and dancing, and to monitor the operating status of the power grid in real time, this paper design and develop a multi-parameter visual internet of things monitoring system for high-voltage transmission lines.The capable of monitoring transmission line currents at a high speed at a rate of 2 M/s, as well as monitoring line dancing, environmental temperature and humidity, and other parameters.Each monitoring module in the IOT monitoring system is built into the conductor integrated state monitoring sphere, and while the transmission line is recorded at a high speed of 2 M/s, the current fault is identified by the normalized current difference identification algorithm, and the recorded data of 10 cycles before and after the fault is transmitted. The global position system (GPS) pulse per second (PPS) signal is used to achieve high-speed sampling signals of different terminals of the entire power grid to be strictly aligned and the time resolution reached 100 ns, and it ensured the time consistency of high - speed wave data. The test results of high voltage line show that the device can record high speed wave and diagnose current fault in real time, and monitor the running state of transmission line with multiple parameters.

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谢景海,袁敬中,郭嘉,等. 一种输电线路多参数可视化物联监测系统[J]. 科学技术与工程, 2021, 21(12): 4975-4981.
Xie Jinghai, Yuan Jingzhong, Guo Jia, et al. Multi-parameter visual IoT monitoring system for transmission lines[J]. Science Technology and Engineering,2021,21(12):4975-4981.

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  • 收稿日期:2020-10-13
  • 最后修改日期:2021-01-08
  • 录用日期:2020-10-24
  • 在线发布日期: 2021-05-17
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