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A distributed wireless measurement system and method for a transient electromagnetic environment

A technology for electromagnetic environment and wireless measurement, applied in measurement devices, transmission systems, electromagnetic field characteristics, etc., can solve problems such as cables or light being easily broken, not allowed to pass through wiring, and susceptible to interference, etc., to achieve long-term online monitoring, The effect of improving measurement accuracy and expanding the range of use

Active Publication Date: 2022-02-01
STATE GRID CORP OF CHINA +2
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AI Technical Summary

Problems solved by technology

Electromagnetic disturbance measurement using cable transmission is susceptible to interference; electromagnetic disturbance measurement using optical fiber is easy to break due to the brittleness of the optical fiber; in addition, because there are many channels in the substation, it is often necessary to walk or pass the car, and the cable or light is easy is broken, and some channels are not allowed to cross the wiring
Therefore, it is not feasible to conduct distributed electromagnetic transient measurements with a large number of cables and optical fiber wiring in the substation

Method used

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  • A distributed wireless measurement system and method for a transient electromagnetic environment
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  • A distributed wireless measurement system and method for a transient electromagnetic environment

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specific Embodiment

[0082] Please refer to figure 1 , figure 1 It is a schematic diagram of the distributed wireless measurement system for the transient electromagnetic environment. A distributed wireless measurement system for a transient electromagnetic environment in an embodiment of the present invention is composed of multiple front-end measurement nodes, a back-end monitoring and operating device, control software, and a 4G network. The measurement node collects the measurement signal of the sensor and processes and analyzes it. The 4G network transmits images and control signals, and the back-end monitoring and operating equipment displays the desktop image of the controlled industrial computer and human-computer interaction with keys and mice.

[0083] Please refer to figure 2 , figure 2 It is a schematic diagram of the structure of the shielding shell. The aluminum shielding shell includes an upper barrel body 1, a lower barrel body 2, a foot 3, a pillar 6, an upper mounting plate...

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Abstract

The invention discloses a distributed wireless measurement system and method for a transient electromagnetic environment. The system includes: a front-end measurement device, and the front-end measurement device includes a plurality of measurement nodes; wherein each measurement node includes: an electromagnetic transient Sensors, data acquisition equipment, industrial computers, data storage equipment, routers, power modules and shielding shells; back-end monitoring and operating equipment, used to monitor and control each measurement node, and view the measured electromagnetic transient waveform of each measurement node; It is used for human-computer interaction with the industrial computer in each measurement node, and controls the data acquisition equipment of each measurement node; it is used to draw and obtain the transient electromagnetic distribution map in the measurement area according to the corresponding relationship between the measurement results and the measurement positions; among them, Each measurement node and the back-end monitoring and operating equipment communicate through the 4G or 5G network of the telecom operator; multiple measurement nodes are managed through an account. The invention can realize the distributed wireless measurement of the transient electromagnetic environment.

Description

technical field [0001] The invention belongs to the technical field of high-voltage measurement and electromagnetic compatibility, and in particular relates to a distributed wireless measurement system and method for a transient electromagnetic environment. Background technique [0002] There are a large number of switchgears in the substation, such as: isolating switch, circuit breaker, etc.; switching operation is a routine operation of the substation, such as: isolating switch switching no-load transformer, high-voltage unloaded bus, and circuit breaker high-voltage bus and lines, etc. . During the switching operation, especially when the unloaded busbar is used, a strong operating overvoltage and current will be generated on the busbar and the transmission line. At this time, the busbar is equivalent to an antenna, radiating the energy of the transient electromagnetic field to the surrounding space. The measurement equipment (CT, PT and CVT) on the bus or line is direct...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R29/08G01R19/00H04L67/12H04L67/025H04L12/12
CPCG01R29/0871G01R19/00H04L67/12H04L67/025H04L12/12
Inventor 成林卢江平刘健郭安祥冯南战吴经锋徐伟锋高峰韦邦建石团结刘子瑞王辰曦吴子豪
Owner STATE GRID CORP OF CHINA
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