Intelligent power system fault recorder

A fault recorder and power system technology, applied in transmission systems, signal transmission systems, instruments, etc., can solve the problems of non-distributed installation, running speed, differences in stable performance, communication capabilities, and networking difficulties, etc., to achieve convenient Ethernet Networking, convenient and flexible design, and the effect of improving the transmission rate

Inactive Publication Date: 2014-02-19
HUAINAN NORMAL UNIV
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Problems solved by technology

[0002] At present, most domestic fault recorders use microcomputer-based recorders. This kind of fault recorder adopts the front-end and back-end models. Wave recorders have deficiencies in data synchronous acquisition, data communication, and flexibility. Due to the large size of each fault recorder system, there are di

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Embodiment Construction

[0032] Such as figure 1 As shown, the intelligent power system fault recorder of the present invention includes two parts: a data acquisition unit and a data management unit, and data transmission is completed between the two parts through Ethernet, wherein the data acquisition unit includes several data acquisition control modules, and There is a GPS synchronous clock to synchronize each data acquisition control module in real time.

[0033] Such as figure 2 As shown, the data acquisition control module includes a DSP data processing board, a signal conditioner, an A / D conversion module, a photoelectric isolation circuit, a GPS synchronous clock, a wireless communication module, and an Ethernet interface circuit. The signal conditioner signal output terminal is connected to the analog signal input terminal of the A / D conversion module, the digital data output terminal of the A / D conversion module is connected to the data input terminal of the DSP data processing board, and ...

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Abstract

An intelligent power system fault recorder comprises a data acquisition unit and a data management unit, wherein the data management unit and the data acquisition unit are communicated through the Ethernet. The data acquisition unit comprises a plurality of signal acquisition control modules, and each signal acquisition control module comprises a signal conditioner, an A/D conversion module, an optoelectronic isolation circuit, a GPS synchronous clock, a wireless communication module, DSP data processing panel and an Ethernet interface circuit. The data management unit comprises a main control chip ARM, a Flash interface circuit, an SDRAM interface circuit, an Ethernet interface circuit, a hard disk interface circuit, a serial port communication interface circuit, a touch screen interface circuit, a JTAG interface circuit, a USB interface circuit and a wireless communication module. The intelligent power system fault recorder solves the problems that all former fault recorders form a network difficultly, are incapable of being mounted in a scattered mode, and large in size of the system, and the intelligent power system fault recorder improves running speed, stability performance and communication capacity.

Description

technical field [0001] The invention relates to an electrical signal recorder, in particular to a power system fault signal recorder. Background technique [0002] At present, domestic fault recorders mostly use microcomputer type recorders. This kind of fault recorder adopts the front and back mode. Wave recorders have deficiencies in data synchronous acquisition, data communication, and flexibility. Due to the large size of each fault recorder system, there are differences in operating speed, stability, and communication capabilities, and networking is difficult and cannot be realized. Decentralized installation is also not possible. With the development of digitization and networking of substations, the traditional microcomputer-based fault recorder can no longer meet the requirements. Contents of the invention [0003] The object of the present invention is to provide an intelligent power system fault recorder for solving the above technical problems. [0004] An in...

Claims

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Application Information

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IPC IPC(8): G01R31/00G08C17/02H04L29/06
Inventor 聂文艳王仲根
Owner HUAINAN NORMAL UNIV
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