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Clock synchronization abnormity monitoring method and device and computer readable storage medium

An anomaly monitoring and clock synchronization technology, applied in the direction of fault location, etc., can solve problems such as timeliness and poor reliability

Active Publication Date: 2021-04-30
SHENZHEN POWER SUPPLY BUREAU
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Based on this, it is necessary to provide a clock synchronization anomaly monitoring method, device and computer-readable storage medium for the timeliness and poor reliability of the method of manual periodic detection of clock synchronization anomalies.

Method used

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  • Clock synchronization abnormity monitoring method and device and computer readable storage medium
  • Clock synchronization abnormity monitoring method and device and computer readable storage medium
  • Clock synchronization abnormity monitoring method and device and computer readable storage medium

Examples

Experimental program
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Effect test

Embodiment 1

[0064] This embodiment provides a clock synchronization anomaly monitoring method, which is used to monitor clock synchronization anomalies among power quality monitoring devices in a power grid.

[0065] refer to figure 1 The clock synchronization abnormality monitoring method provided in this embodiment includes the following steps:

[0066] Step S100, acquiring voltage sag waveforms monitored by each power quality monitoring device in the power grid.

[0067] Each power quality monitoring device can detect data in the power grid in real time, and once a transient disturbance event (such as a voltage sag) occurs, each power quality monitoring device can record the voltage sag waveform in real time. Since the moment when the transient disturbance event occurs is certain, if there is no abnormal clock synchronization problem among the power quality monitoring equipment, then the starting time of the voltage sag waveform monitored by each power quality monitoring equipment sho...

Embodiment 2

[0147] This embodiment provides a clock synchronization anomaly monitoring device, which is used to monitor the clock synchronization anomalies among power quality monitoring devices in a power grid.

[0148] refer to Figure 11 , the clock synchronization anomaly monitoring device provided in this embodiment includes an acquisition unit 20 , a screening unit 22 and a determination unit 24 .

[0149] The acquisition unit 20 is used to acquire the voltage sag waveform monitored by each power quality monitoring equipment in the power grid;

[0150] The screening unit 22 is used to screen homologous voltage sag waveforms from various voltage sag waveforms, and the homologous voltage sag waveform is a waveform corresponding to a voltage sag caused by the same power grid transient disturbance event;

[0151] The determination unit 24 is configured to determine whether the clock synchronization between the corresponding power quality detection devices is abnormal based on the volta...

Embodiment 3

[0155] The embodiment of the present application also provides a computer device, such as Figure 12 As shown, the computer device includes a memory 100 and a processor 200 . Wherein, the memory 100 and the processor 200 are communicatively connected to each other, and may be connected through a bus or in other ways, Figure 12 Take connection via bus as an example.

[0156] The processor 200 may be a central processing unit (Central Processing Unit, CPU). The processor 200 may also be other general-purpose processors, digital signal processors (Digital Signal Processor, DSP), application-specific integrated circuits (Application Specific Integrated Circuit, ASIC), field-programmable gate array (Field-Programmable Gate Array, FPGA) or Other chips such as programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, or combinations of the above-mentioned types of chips.

[0157] As a non-transitory computer-readable storage medium, the ...

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Abstract

The invention relates to the technical field of power grid monitoring, and particularly discloses a clock synchronization abnormity monitoring method and device and a computer readable storage medium. The method comprises the following steps: acquiring a voltage sag waveform monitored by each power quality monitoring device in a power grid; screening out homologous voltage sag waveforms from the voltage sag waveforms, wherein the homologous voltage sag waveforms are waveforms corresponding to voltage sags caused by transient disturbance events of the same power grid; and based on the voltage sag starting time of each homologous voltage sag waveform, determining whether clocks among the corresponding power quality detection devices are synchronous and abnormal. Compared with the prior art, the method does not need to compare a large amount of historical data, does not need to depend on manual detection, can achieve the automatic detection of the clock synchronization abnormality according to the waveform data recorded by the power quality monitoring equipment in real time, is good in real-time performance and reliability, is high in monitoring efficiency, and is high in intelligent degree.

Description

technical field [0001] The invention relates to the technical field of power grid monitoring, in particular to a clock synchronization abnormality monitoring method, device and computer-readable storage medium. Background technique [0002] With the rapid growth of the industrial economy and the increase of users' demand for high-quality power supply, the number of power quality monitoring devices is increasing rapidly, followed by massive monitoring data in a geometric progression. The quality of monitoring equipment will affect the quality of the monitored data, and the quality of the data will directly lead to the generation of untrustworthy data application results and affect the decision-making process based on the application results. One of the typical data quality problems is that the data comparability is poor due to the asynchronous clocks of each power quality monitoring device in the network. Therefore, timely detection of abnormal clock synchronization of power ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/08
CPCG01R31/08Y04S10/52
Inventor 吴显汪清李鸿鑫张华赢
Owner SHENZHEN POWER SUPPLY BUREAU
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