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Intelligent traction substation protection system for railway

A traction substation and protection system technology, which is applied in the field of railway intelligent traction substation protection system, can solve the problem that the sampling data communication needs to be improved, and achieve the effect of eliminating the hard wiring between the device and the screen

Inactive Publication Date: 2016-10-12
CHENGDU SOUTHWEST JIAOTONG UNIV XUJI ELECTRIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the sampling data communication and trip command level of the protection configuration scheme of the traction substation need to be improved

Method used

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  • Intelligent traction substation protection system for railway
  • Intelligent traction substation protection system for railway
  • Intelligent traction substation protection system for railway

Examples

Experimental program
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Embodiment

[0028] Such as figure 1 , figure 2 As shown, a railway intelligent traction substation protection system described in this embodiment includes a CPU unit, a communication unit, an input and output unit group, and a power supply unit;

[0029] CPU unit: used to control data exchange between various parts;

[0030] Communication unit: used to realize the communication of interval layer and process layer;

[0031] Input and output unit group: used to realize port configuration, program download, debugging and communication with CPU unit;

[0032] Power supply unit: supplies power to each unit.

[0033] Such as figure 2 As shown, the CPU unit of the present embodiment includes a microprocessor and the first FPGA, the microprocessor and the first FPGA are connected in a bus mode, the microprocessor communicates with the interval layer and the process layer through the Ethernet interface, and the microprocessor The device can use PPC440EPx series or ARM chip, which supports b...

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Abstract

The invention discloses an intelligent traction substation protection system for a railway. The system comprises a CPU unit, a communication unit, an input and output unit, and a power supply unit. The CPU unit is used for controlling data exchange among all parts. The communication unit is used for realizing communication between a spacing layer and a process layer. The input and output unit is used for realizing port configuration, program downloading, debugging, and communication with the CPU unit. The power supply unit is used for providing power for all units. On the basis of the structure, the sampling data communication and tripping command levels of the protection configuration scheme of the intelligent traction substation of a railway can be increased.

Description

technical field [0001] The invention relates to the field of substations, in particular to a railway intelligent traction substation protection system. Background technique [0002] The substation automation system includes substation layer, bay layer, and process layer. The substation layer includes background monitoring, telecontrol communication unit, and GPS time synchronization device; the bay layer is composed of various protection measurement and control devices, AC and DC screens and other third-party equipment; the process layer consists of It consists of intelligent operation box, merging unit and electronic transformer, and it can also be a conventional switch and transformer. Compared with the application of power system, in the traction power supply system, there is only one local monitoring computer at the substation level to complete all the background monitoring functions, and the telecontrol communication unit completes the telecontrol communication tasks. T...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J13/00
CPCH02J13/00019H02J13/0062
Inventor 郭华王若醒
Owner CHENGDU SOUTHWEST JIAOTONG UNIV XUJI ELECTRIC
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