Wireless data transmission method of partial discharge wireless monitoring system

A technology of wireless data transmission and partial discharge, which is applied in the direction of signal transmission system, testing dielectric strength, testing with acoustic measurement, etc. It can solve the problem of difficulty in meeting the communication requirements between monitoring terminal and industrial computer, strong signal attenuation, poor monitoring effect, etc. problem, to achieve the effect of easy expansion, simple and easy realization of distance, and low power consumption

Inactive Publication Date: 2016-08-31
SHANGHAI MUNICIPAL ELECTRIC POWER CO
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method has some inherent disadvantages: poor monitoring effect for certain types of partial discharge accompanied by electromagnetic waves below 300MHz; signal attenuation is very strong when passing through bushing or long-distance in insulating oil, etc.
It is difficult to meet the communication requirements between the monitoring terminal and the industrial computer by using wired data transmission

Method used

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  • Wireless data transmission method of partial discharge wireless monitoring system

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Embodiment Construction

[0023] In order to enable those skilled in the art to better understand the technical solution of the present invention, its specific implementation will be described in detail below in conjunction with the accompanying drawings:

[0024] see figure 1 , the partial discharge wireless monitoring system includes an ultrasonic sensor 1, a wireless transmission module transmitter 2, a data concentrator 3, a communication bus 4 and an industrial computer 5 connected in sequence, and the wireless transmission module transmitter 2 includes a first single-chip microcomputer 21 and a first wireless data Transmission device 22, data concentrator 3 comprises the second wireless data transmission device 31 and the second single-chip microcomputer 32, communication bus 4 adopts MODBUS communication protocol, one end of communication bus 4 is connected with the second single-chip microcomputer 32 through RS232 interface, and the other end is through RS232 interface Link to the industrial co...

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Abstract

The invention discloses a wireless data transmission method of a partial discharge wireless monitoring system. The method is a Zigbee protocol-based wireless communication technology with the advantages of low power consumption, near distance, simplicity and easy realization, and can be well applied to data transmission in a power distributing station.

Description

technical field [0001] The invention relates to a wireless data transmission method of a partial discharge wireless monitoring system. Background technique [0002] With the rapid development of my country's power industry, the modern power system is developing in the direction of large power grids, large units, ultra-high voltage, and large capacity, and higher requirements are placed on the insulation level of power equipment. As an important link in the transmission and distribution system of the smart grid, the substation and distribution station implement insulation status monitoring and early warning of various electrical equipment, which can effectively improve the operation reliability of the electrical equipment in the substation and distribution station and reduce the operation of equipment. Reduce maintenance costs, prolong the service life of equipment, and reduce the incidence of accidents. [0003] Partial discharge is one of the important data that reflects t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G08C17/02G01R31/12
CPCG08C17/02G01R31/1209
Inventor 刘达伟乔亚兴朱钦刘剑青孔凡群徐泽禹王冬云孙文清
Owner SHANGHAI MUNICIPAL ELECTRIC POWER CO
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