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Data transformation method between GOOSE (Generic Object Oriented Substation Event) protocol and Zigbee protocol in small hydro-electric IED (Intelligent Electronic Device) net

A conversion method and technology of small hydropower, applied in the direction of data exchange network, electrical components, network topology, etc., can solve the problem of a large amount of manpower and material resources for erecting cables, and achieve the effect of effective conversion method, improved efficiency, and improved safety.

Active Publication Date: 2013-04-03
海宁市黄湾镇资产经营有限公司
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Problems solved by technology

In recent years, small hydropower has been actively developed all over the country. Small hydropower is generally located in mountainous areas with inconvenient transportation. The environment of IED equipment for data collection and measurement is often special. Difficult geographical environments will have a strong impact on the wiring engineering of wired networks. In addition, the installation of cables requires a lot of manpower and material resources. In addition, after the establishment of a communication network, new IED equipment is often added due to demand, resulting in rewiring and other construction.
From the perspectives of application environment, construction cost and subsequent scalability, it has brought challenges to the Ethernet wired transmission method

Method used

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  • Data transformation method between GOOSE (Generic Object Oriented Substation Event) protocol and Zigbee protocol in small hydro-electric IED (Intelligent Electronic Device) net
  • Data transformation method between GOOSE (Generic Object Oriented Substation Event) protocol and Zigbee protocol in small hydro-electric IED (Intelligent Electronic Device) net

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Embodiment Construction

[0035] The present invention will be further described below in conjunction with the accompanying drawings.

[0036] refer to figure 1 , a data conversion method of Zigbee protocol and GOOSE protocol in a small hydropower IED network, comprising the following steps:

[0037] Step 1: Assign a unique ID number for the small hydropower IED network, including gateway nodes and all measuring IED devices.

[0038] Step 2: Create a mapping table in the gateway. The mapping table includes three items: the ID number of the measuring IED, the MAC address of the measuring IED, and the last forwarding time.

[0039] Step 3: The gateway receives the Ethernet packet sent by the station control layer.

[0040] Step 4: Determine whether it is a data frame sent to the process layer side. The gateway judges according to whether the destination MAC address of the data frame is within the multicast MAC address range of the GOOSE message, and if not, discards the data frame.

[0041] Step 5: Ju...

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Abstract

Disclosed is a data transformation method between a GOOSE (Generic Object Oriented Substation Event) protocol and a Zigbee protocol in a small hydro-electric IED (Intelligent Electronic Device) net. The measurement IED device which is used for collecting all kinds of data in the small hydro-electric and gateway nodes form a Zigbee-protocol-based wireless sensor network, predistributes an ID number and sets up a mapping table in the gateway and under the condition of the method can carry out effective judging on an received Ethernet packet, obtain the ID number of the measurement IED according to a retrieving mapping table of an destination MAC (measurement and control) address, and finally pack the Ethernet packet into a Zigbee wireless data frame to be delivered; judge the effectiveness of the received Zigbee wireless data frame, obtain the MAC address of the measurement IED and the previous transmission time according to the retrieving mapping table; judge the time intervals, then drop redundant data packets, and finally packet the Zigbee wireless data frame into a GOOSE Ethernet packet. The data transformation method between the GOOSE protocol and the Zigbee protocol in a small hydro-electric IED net has the advantages of being effective, quick in protocol transmission, and capable of restraining redundant packets.

Description

technical field [0001] The invention relates to a data conversion method between the Zigbee protocol and the GOOSE protocol in a small hydropower IED network. Background technique [0002] At present, the traditional method of communication between the measurement IED equipment used to collect various data in hydropower stations and the upper hydropower station computer used for data storage, processing and diagnosis is to use optical fiber Ethernet for wired transmission. In recent years, small hydropower has been actively developed all over the country. Small hydropower is generally located in mountainous areas with inconvenient transportation. The environment of IED equipment for data collection and measurement is often special. Difficult geographical environments will have a strong impact on the wiring engineering of wired networks. In addition, after the establishment of a communication network, new IED equipment is often added due to demand, resulting in rewiring and o...

Claims

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Application Information

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IPC IPC(8): H04L29/06H04L29/08H04L12/761H04L12/741H04L29/12H04W84/18H04L45/16H04L45/74
Inventor 蒋一波陈琼郑建炜王雨晨王万良
Owner 海宁市黄湾镇资产经营有限公司
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