Power cable and channel on-line monitoring system

Abstract

The invention discloses a power cable and channel on-line monitoring system which is composed of a monitoring master station deployed in a cable operation and inspection room of an operation and inspection department of a power supply company, a monitoring substation arranged in a substation communication machine room or a relay protection room nearby the power cable and the channel, and monitoring function modules distributed on the power cable and the channel. Data interaction transmission is carried out between the monitoring master station and the monitoring substations by adopting a 100 / 1000M electric power Ethernet network conforming to the DL / T860 standard in the prior art of a power supply company, and signal data transmission is carried out between the monitoring function modules and the monitoring substations through one of a field industrial control bus, an optical fiber bus or a wireless network. The monitoring function module comprises a cable channel internal environment monitoring system and a power cable body monitoring system. The system has the characteristics that the operation of the high-voltage power cable body and the environment condition in the cable channel can be monitored in real time, and technical support is provided for the maintenance scheduling and management of the high-voltage power cable and the cable channel.

Description

technical field [0001] The invention belongs to the technical field of power cable operation and maintenance, in particular to an on-line monitoring system for power cables and channels. Background technique [0002] High-voltage cables and power tunnels are the main artery of power transmission in the central area of ​​the city. Once a problem occurs, it will have a serious impact on the security of power supply in the core area of ​​the entire city. At present, most of the professional management of power cable operation in the country belongs to the extensive management mode. The operation inspection and maintenance of power cable lines are only carried out mechanically according to the cycle, and basically no condition monitoring and condition maintenance work is carried out. Nothing is known. The information of power cable lines and tunnels is scattered, and there is no platform to realize data sharing, nor to collect and analyze the historical data of power cable line...

AI Technical Summary

Problems solved by technology

The information on power cable lines and tunnels is scattered, there is no platform for data sharing, and there is no collection, analysis and arrangement of historical data on power cable lines, making it difficult to obtain accurate equipment operating conditions

Without monitoring the power cable system and tunnel network, it is impossible to realize the control of power cable network and path resources

[0003] The deficiencies in the operation and management of the above-mentioned existing power cables have led to many fires in power tunnels in China in recent years, landslides near power tunnels, high-voltage cable failures, and theft of power facilities have caused us to pay heavy losses.

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