CN104620543A - 在子网间路由消息的桥式智能电子设备 - Google Patents

在子网间路由消息的桥式智能电子设备 Download PDF

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CN104620543A
CN104620543A CN201380038281.3A CN201380038281A CN104620543A CN 104620543 A CN104620543 A CN 104620543A CN 201380038281 A CN201380038281 A CN 201380038281A CN 104620543 A CN104620543 A CN 104620543A
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CN104620543B (zh
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H·布克尔
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Hitachi Energy Co ltd
ABB Schweiz AG
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
    • H02J13/00034—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving an electric power substation
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B15/00—Systems controlled by a computer
    • G05B15/02—Systems controlled by a computer electric
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/66—Regulating electric power
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/54—Systems for transmission via power distribution lines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/10—Current supply arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/16—Arrangements for providing special services to substations
    • H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
    • H04L12/1886—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast with traffic restrictions for efficiency improvement, e.g. involving subnets or subdomains
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/2803—Home automation networks
    • H04L12/2807—Exchanging configuration information on appliance services in a home automation network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/46—Interconnection of networks
    • H04L12/4604—LAN interconnection over a backbone network, e.g. Internet, Frame Relay
    • H04L12/462—LAN interconnection over a bridge based backbone
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/46—Interconnection of networks
    • H04L12/4641—Virtual LANs, VLANs, e.g. virtual private networks [VPN]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
    • H02H7/261—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
    • H02J13/00036—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers
    • H02J13/0004—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers involved in a protection system
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/16—Gateway arrangements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S10/00—Systems supporting electrical power generation, transmission or distribution
    • Y04S10/16—Electric power substations
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S10/00—Systems supporting electrical power generation, transmission or distribution
    • Y04S10/18—Systems supporting electrical power generation, transmission or distribution using switches, relays or circuit breakers, e.g. intelligent electronic devices [IED]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S10/00—Systems supporting electrical power generation, transmission or distribution
    • Y04S10/20—Systems supporting electrical power generation, transmission or distribution using protection elements, arrangements or systems
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20—End-user application control systems
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/18—Network protocols supporting networked applications, e.g. including control of end-device applications over a network

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Abstract

本发明涉及一种桥式智能电子设备(IED)，用于在子网(SN_1，SN_2...SN_n)之间路由IEC61850 GOOSE消息，其中该桥式智能电子设备(IED)包括用于信号映射的功能以及多于一个通信接口(CI_1，CI_2...CI_n)，其中每个所述通信接口(CI_1，CI_2...CI_n)被设计为具有依据IEC 61850要求的自己的配置的IED描述CID文件的智能电子设备IED。

Description

在子网间路由消息的桥式智能电子设备
技术领域
本发明涉及桥式IED(智能电子设备)，用于在例如发电设备或电力变电站中的子网之间路由IEC 61850GOOSE消息。此外，本发明涉及一种例如发电设备或电力变电站中的子网系统，其中每个子网包括多个桥式IED。
背景技术
IEC 61850是用于发电设备和电力变电站中的通信的基于以太网的国际标准，用于在变电站或子网中集成所有保护、控制、测量和监控功能以提供用于高速变电站保护应用、互锁、联锁跳闸的智能电子设备。
术语或机制GOOSE(面向通用对象的变电站事件)描述了一种控制模型机制，其中任意数据格式，如状态、值被组合成数据集，并在短时期内被发送并且被用于确保规定的传输速度和可靠性。
GOOSE数据直接嵌入以太网数据分组中，并在多播或广播地址上的发布者-订阅者机制上工作。由国际电工委员会(IEC)在IEC 61850标准规定了GOOSE通信。
IEC61850GOOSE是UCA GOOSE的演进版。GOOSE消息用于在IED之间交换数据。GOOSE是用于将诸如命令和报警之类的变电站事件快速传输的一种机制。IED发送的单一GOOSE消息可由若干接收者接收和使用。在通用子网的一个设备中，当只有订阅者设备正在接收信息时，发送者发布该信息。每个接收者的反应依赖于其配置和功能性。
另外，GOOSE被设计为发布者-订阅者模型，并且该发布者IED向所有其连接的订阅者IED多播传输。通常地，所有通过GOOSE消息通信的IED必须组合在一个子网内。子网可以是物理子网或经由逻辑子网内的VLAN(虚拟LAN)配置，以便如保护信号这样的重要信号可以只能在相同子网中的IED之间传输。
在IEC 61850规范中，GOOSE协议被安排用于IED之间的数据交换，也被称为横向通信或横向快速IED-IED通信，并且其一般基于对等通信。
问题说明
所有已知的变电站IED只有一个具有IEC 61851版本1中规定的通信协议的以太网接口，并且为了满足IEC61850版本2中所新定义的冗余要求，具有切换功能的第二以太网接口内置于IED(HSR或DRP)。
GOOSE消息在例如发电设备或电力变电站中的若干子网之间是不可路由的。但是保护信号或二进制信号以及模拟值通过GOOSE协议发送，所述GOOSE协议不仅仅在同一配置子网中的一个SCD(变电站配置说明)文件中配置的IED之间被使用。SCD文件是一种详细描述变电站配置和通信的文件。通常需要向其他子网发送此类信号以对用于卸载应用的这些信号起作用，用于保护装备的关闭。
发明内容
本发明提供一种新的解决方案，用于通过使用IED桥，在例如发电设备或电力变电站中的若干子网之间路由IEC 61850GOOSE消息。
新的桥式IED包括用于信号映射的基本功能和附加模(modular)数量的通信接口，每个通信接口被设计成具有依据IEC 61850要求的自己可配置的CID文件的IED，其中CID文件包括关于变电站中的一个特定IED的从配置工具至变电站的信息。
依据本发明的一方面，提供了每个子网被IEC 61850工程工具单独地工程设计，并且该工程设计过程的结果被输出到各自的SCD文件中。
桥式IED的通信接口IED被使用IEC 61850CID文件描述并被在IED描述中配置。
依据本发明的另一方面，桥式IED自身包括应用软件，该应用软件允许自由滤波和/或映射所接收的信号并且将信号重排进新的数据电报，所述数据电报被从每个所连接的通信接口到所连接的子网自由发布和传输。
本发明的有益效果
新的桥式IED允许在不同子网之间路由GOOSE信号。
依据本发明，提供的技术方案可以被类似依据IEC 61850的用于GOOSE通信的的标准IED处理和配置。
额外地，提供了对所接收和发送的信号的滤波或重新排列。
依据本发明的优选实施例，通过使用信号矩阵或映射功能允许灵活的信号配置。
附图说明
通过使用附图所述的示例性实施例，将更加详细地描述和解释本发明的主题以及本发明的有利改进和提高，其中
图1示出了新的桥式IED的例子，其具有用于每个连接的子网的通信接口，以及
图2示出了用于通信板和/或主干网电子的冗余实施例中的示范性桥式IED。
具体实施方式
图1示出了新的桥式IED 1的例子，其具有通过使用OPC服务器2用于监控和数据采集SCADA中的每个连接的子网SN_1，SN_2...SN_n的通信接口CI_1，CI_2...CI_n。在通信板和/或主干网电子中实施该示范性桥式IED 1。
每个子网SN_1，SN_2...SN_n包括多个IED并且其与SCADA系统的OPC服务器2连接。IED是作为变电站自动化的自动化组件的智能电子设备，类似于分配控制系统(DCS)中的控制器。
桥式IED 1是具有信号映射的基本功能和附加模数量的通信接口CI_1，CI_2...CI_n的一个组件，每个通信接口被设计为具有依据IEC 61850要求的自己可配置的CID文件的IED。
依据本发明，利用IEC 61850工程工具单独地工程设计每个子网SN_1，SN_2...SN_n，并且其结果被输出到SCD文件中。桥式IED 1的通信接口IEDCI_1，CI_2...CI_n被使用正常IEC 61850CID文件(配置的IED描述)描述并且类似依据IEC 61850用于GOOSE通信的标准IED配置。
桥式IED 1自身具有应用软件，该应用软件允许自由滤波和/或映射所接收的信号并且将信号重新排列到新的数据电报，所述数据电报被从每个所连接的通信接口CI_1，CI_2...CI_n到所连接的子网SN_I，SN_2...SN_n自由发布和传输。
图2示出了用于通信板和/或主干网电子的冗余实施例中的示范性桥式IED1.1，1.2。
另外，通信接口IED CI-1，CI-2，CI-3...CI-n，CI-n+1对于每个子网SN_1，SN_2...SN_n是冗余的。
依据图2所示的实施例，为了更高的可用性，桥式IED以冗余方式被使用：
-冗余通信接口CI-1，CI-2，CI-3...CI-n，CI-n+1，其中两个通信接口(如CI-1和CI-2)作为发布者和/或订阅者被配置在同一子网中，
-冗余桥式IED主干网，其中将主干网电子设备部分1.1，1.2被设置为冗余。
新的桥式IED具有多于一个IEC 61850通信接口，并且每个通信接口在不同子网中通过独立的SCD文件工程设计。结果是，新的桥式IED允许IED内部的路由功能。额外地，以太网开关可提供这种功能。

Claims (9)

1.一种在子网(SN_1，SN_2...SN_n)之间路由国际电工委员会IEC 61850面向通用对象的变电站事件GOOSE消息的桥式智能电子设备IED，其中所述桥式IED包括用于信号映射的功能以及多于一个通信接口(CI_1，CI_2...CI_n)，其中所述通信接口(CI_1，CI_2...CI_n)的每一个被设计为具有依据IEC 61850要求的自己的配置的IED描述CID文件的IED。
2.权利要求1涉及IDD、IEC、GOOSE和CID而未给出这些首字母缩写的含义，使得所述权利要求的呈现不清楚。建议为了解决这些问题，通过将“智能电子设备”周围的括号用逗号代替，在IEC和61850之间增加“国际电工委员会”，在GOOSE和消息之间增加“面向通用对象的变电站事件”，以及在CID和文件之间增加“IED配置说明”。
3.如权利要求1所述的桥式IED，其中每个子网(SN_1，SN_2...SN_n)被利用IEC 61850工程工具单独地工程设计，并且所述工程设计过程的结果被输出到各自的SCD文件中。
4.如权利要求1或2所述的桥式IED，其中所述桥式IED(1)的每个通信接口(CI_1，CI_2...CI_n)被使用IEC 61850 CID文件描述并被在IED描述中配置。
5.如权利要求1-3所述的桥式IED，包括应用软件，所述应用软件允许自由滤波和/或映射所接收的信号和/或将信号重新排列到新的数据电报，所述数据电报被从每个所连接的通信接口(CI_1，CI_2...CI_n)自由发布和传输到所连接的子网(SN_1，SN_2...SN_n)。
6.如权利要求1-4所述的桥式IED，其中所述桥式IED被类似于依据用于GOOSE通信的IEC 61850的标准IED来处理和配置。
7.如权利要求1-5所述的桥式IED，包括通信接口(CI-1，CI-2，CI-3...CI-n，CI-n+1)，这些通信接口对于每个子网(SN_1，SN_2...SN_n)是冗余的。
8.如权利要求6所述的桥式IED，包括冗余的通信接口(CI-1，CI-2，CI-3...CI-n，CI-n+1)，其中两个通信接口IED(例如CI-1和CI-2)作为发布者和/或订阅者被配置在同一子网中。
9.一种在发电设备或电力变电站中的子网系统，其中每个子网(SN_1，SN_2...SN_n)包括多个在权利要求1-7中要求的桥式IED(1，1.1，1.2)，并且所述每个子网(SN_1，SN_2...SN_n)与SCADA系统的OPC服务器(2)连接。
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