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Hand-held intelligent substation relay protection debugging device

A technology of relay protection device and intelligent substation, applied in the direction of measuring device, measuring electricity, measuring electrical variables, etc., can solve problems such as in-depth analysis obstacles, achieve low power consumption, ensure reliability and rapidity, reduce manufacturing cost effect

Inactive Publication Date: 2018-08-24
CHENGDU TENGDA SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The fault waveform data is sampled at high speed, and the comprehensive analysis of the waveform data generated by different devices puts forward high requirements on the clock accuracy, which creates obstacles for in-depth analysis

Method used

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  • Hand-held intelligent substation relay protection debugging device
  • Hand-held intelligent substation relay protection debugging device
  • Hand-held intelligent substation relay protection debugging device

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Embodiment Construction

[0051] figure 1 It shows a handheld intelligent substation relay protection debugging device of the present invention, the system includes an intelligent detector 1 and an analysis and debugging system 2;

[0052] The smart detector 1 includes:

[0053] The detection module 11 is used to obtain the waveform information of the relay protection device in real time;

[0054]Data conversion module 12, is used for converting waveform information into waveform data in real time;

[0055] A data compression module 13, configured to compress the waveform data;

[0056] The detection data sending module 15 is used to send the compressed waveform data to the analysis and debugging system through the wireless communication network;

[0057] The terminal control module 14 is used for the work of each module in the intelligent detector;

[0058] The analysis and debugging system 2 includes:

[0059] The detection data receiving module 21 is used to receive the waveform data sent by th...

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Abstract

The invention discloses a hand-held intelligent substation relay protection debugging device. According to the invention, a debugging configuration file of a to-be-debugged relay protection device isintelligently generated on the basis of substation SCD files and fault waveform data, thereby avoiding repeated manual configuration. Through adoption of a data compression module and a waveform differential compression algorithm based on waveform periodic characteristics, the device of the invention has the characteristics of low power consumption, small computation amount and high compression ratio, has a better waveform data compression effect, and greatly reduces the manufacturing cost of relay protection fault recording and a playback system. Fault waveform data of a period of time beforeand after a fault moment is extracted from each fault recording file, primary equipment elements are taken as units to calculate the fault characteristic quantities of each primary equipment element,intermediate data is formed, and thus limitations of the fault recording files are overcame. Waveform data is analyzed from many angles, the characteristic quantities of different dimensions are obtained by performing digital and quantitative processing on recording sampling information, and thus reliability and rapidity are guaranteed.

Description

Technical field [0001] The invention relates to the field of relay protection, in particular to a hand-held intelligent substation relay protection debugging device. Background technique [0002] In recent years, the relevant professional technology of intelligent substation has made great progress. Intelligent electronic devices (IED) such as electronic transformers, merging units, and intelligent terminals are widely used, and the layout of intelligent electronic devices is also transitioning from secondary small rooms to outdoor cabinets and prefabricated cabins. Relay protection has been gradually paid attention to. [0003] However, in related technologies, the installation and commissioning of on-site relay protection devices have problems such as quick action, reduced system stability and reliability, high failure rate, complex on-site commissioning and maintenance, long time for installation and power failure, and maintenance after abnormalities Problems such as th...

Claims

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Application Information

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IPC IPC(8): G01R31/00G06Q50/06
CPCG01R31/00G06Q50/06
Inventor 滕维
Owner CHENGDU TENGDA SCI & TECH
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