Optical fiber communication ring network based partial discharge measurement data transmission system and its control method

A partial discharge and optical fiber communication technology, which is applied in optical fiber transmission, annular electromagnetic network, electromagnetic network arrangement, etc., can solve problems such as massive data, achieve long transmission distance, improve utilization rate, and good on-site practical effect.

Active Publication Date: 2013-06-12
JIANGSU ELECTRIC POWER CO +2
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Problems solved by technology

High-speed sampling rate, resulting in the appearance of massive data in the measurement process

Method used

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  • Optical fiber communication ring network based partial discharge measurement data transmission system and its control method

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Embodiment Construction

[0009] The method for efficiently transmitting a large amount of partial discharge measurement data through the optical fiber communication ring network of the present invention can effectively and timely deliver the on-site partial discharge measurement data to the office automation system at high speed through the optical fiber ring network under strict data transmission logic control. PC data server. Therefore, it provides an effective and massive data source for the centralized processing of partial discharge measurement signals and fault analysis and positioning in the daily office process.

[0010] The present invention utilizes partial discharge acquisition unit, communication management unit, multi-mode communication optical cable and other hardware devices to form a circular communication link, from the optical fiber output port of the communication management unit to the optical fiber input port of the first partial discharge acquisition unit, all the way The handle ...

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Abstract

An optical fiber communication ring network based partial discharge measurement data transmission system and its control method. According to the system provided by the invention, hardware devices such as partial discharge acquisition units, a communication management unit, a multimode communication optical cable and the like form an annular communication link. By adoption of an annular serial bus master-slave type communication mode, a host computer data server is used as a master node and each partial discharge acquisition unit is used as a slave node. By strict sequential management among the main and slave nodes, the utilization rate of the optical fiber ring network is raised, high-efficiency mass data transmission is realized and data transmission efficiency on the optical fiber ring network bus is improved. By strict data transmission logic control of the remote optical fiber ring network, on-site partial discharge measurement data can be effectively and timely sent at high speed to the host computer data server in an office automaton system. Therefore, partial discharge fault analysis personnel can obtain first on-site electricity test data in the daily office environment and carry out spectrum drawing, contrast, fault analysis and defect location on the measured data.

Description

technical field [0001] The invention relates to remote and efficient transmission of massive data generated by partial discharge when the partial discharge of power equipment such as cables, GIS, and power transformers is monitored in the power field, and is a partial discharge measurement data transmission based on an optical fiber communication ring network system and its control method. Background technique [0002] Power cables, GIS, power transformers, etc., due to long-term electrified operation, cause equipment aging and insulation degradation. When there are various defects in aging and insulation, partial discharge will occur. Due to the complex environment and strong electromagnetic interference at the power site, and the partial discharge signals of different types and degrees have the characteristics of small amplitude and inconspicuous characteristics, the on-site detection of partial discharge is a very complicated and difficult process. The partial discharge ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B10/275H04B10/25
Inventor 王勇储强顾胜伟戴洪宾王一磊
Owner JIANGSU ELECTRIC POWER CO
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