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One-layer network data processing method suitable for intelligent substation

A network data processing and smart substation technology, applied in the direction of data exchange network, electrical components, circuit devices, etc., can solve the problems of substation cost increase, single equipment power consumption is too large, hardware failure points increase, etc., to reduce equipment Effects of power consumption and cost, realization of concurrent computing, improvement of reliability and maintainability

Active Publication Date: 2013-04-10
NARI TECH CO LTD
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  • Application Information

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Problems solved by technology

With the application and development of smart substation systems, various problems and disadvantages have emerged, such as insufficient integration of the entire system, excessive network wiring during project implementation, rising substation costs, high power consumption of a single device, and hardware failures Practical issues such as point increase

Method used

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  • One-layer network data processing method suitable for intelligent substation
  • One-layer network data processing method suitable for intelligent substation
  • One-layer network data processing method suitable for intelligent substation

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Embodiment Construction

[0036] The present invention will be further described below in conjunction with the accompanying drawings.

[0037] image 3 It is an overall functional block diagram based on a one-layer network architecture, including a main control CPU module, an FPGA processing module, and a physical layer interface module.

[0038] The main control CPU module is the main processing unit of various smart devices, responsible for various data processing calculations, sending and receiving, and parameter configuration functions. Its interface with the FPGA processing module is generally a bus interface, such as LocalBus bus, PCI bus or PCIe bus, high-speed serial bus such as SerDes bus, etc.

[0039]The FPGA processing module mainly implements the Ethernet controller function of the independent MAC, stores and parses the Ethernet data received by the MAC, performs classification and grouping processing functions according to message types, and performs content and time of the messages that...

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Abstract

The invention discloses a one-layer network data processing method suitable for an intelligent substation. The one-layer network data processing method suitable for the intelligent substation is characterized in that preprocessing of all kinds of network message in the intelligent substation is achieved with a field programmable gate array (FPGA) module adopting FPGA technology, a time-stamp is stamped on the FPGA module as soon as the message enters into an measurement and control (MAC) controller and is stored with the message, network storm restraint, storage and message analysis are available, EtherType domain is distinguished, packet and classified processing is conducted, and meanwhile priority control and real-time transmitting of the message are achieved. The one-layer network data processing method for the intelligent substation has the advantages that realization of intelligent devices in the intelligent substation is simplified, reliability is strengthened, systematic manufacturing cost is reduced and maintainability of the system is optimized.

Description

technical field [0001] The invention relates to the application of data communication and data processing of an intelligent substation in a power system, and belongs to the technical field of industrial control and industrial communication. Background technique [0002] Power system smart substation equipment is usually divided into three layers: process layer (equipment layer), bay layer, and station control layer. Among them, the process layer includes intelligent equipment composed of primary equipment and intelligent components, merging units and intelligent terminals, etc., and completes substation power distribution, conversion, transmission and related functions such as measurement, control, protection, metering, and status monitoring. Bay layer equipment generally refers to secondary equipment such as relay protection devices, measurement and control devices, etc., to realize the function of using data of a bay and acting on the primary equipment of the bay, that is,...

Claims

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Application Information

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IPC IPC(8): H04L29/06H04L12/70H02J13/00
Inventor 郑玉平周华良黄国方吴海夏雨谢黎
Owner NARI TECH CO LTD
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