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Channel level hierarchical dynamic routing method of electric power automation front-end system

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Publication number
CN101588295B
CN101588295B CN 200910082298 CN200910082298A CN101588295B CN 101588295 B CN101588295 B CN 101588295B CN 200910082298 CN200910082298 CN 200910082298 CN 200910082298 A CN200910082298 A CN 200910082298A CN 101588295 B CN101588295 B CN 101588295B
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layer
front
end
channel
data
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CN 200910082298
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Chinese (zh)
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CN101588295A (en )
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余庭豹
刘云
刘成坤
朱建
李海燕
王立鼎
葛亮
马国�
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北京四方继保工程技术有限公司
北京四方继保自动化股份有限公司
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Abstract

The present invention discloses a channel level redundancy-backup and loading-sharing front-end hierarchical dynamic routing method which not only can realize the channel level redundancy backup, but also can support the loading sharing of the front-end service node for increasing the reliability and the processing capacity. The front-end system of the electric power automation device is introduced with a hierarchical design mode. The downmost bottom layer is a device management layer of the communication medium. Then a frame layer, an agreement explaining layer and a data processing layer areprovided sequentially. The device layer mainly shields the communication characteristic of various different mediums and provides the unified data reading-in and writing-out interface of the frame application. The realizing of the frame layer mainly relates to the management of the channel. The data transmission characteristics of various applications are integrated. The system supports a plurality of operating modes. Each channel can be managed singly or integrally. The agreement explaining layer completes the analysis of the various different aggrements and provides an unified data interface for the data processing layer. The front-end system of the electric automation device supports a plurality of front-end nodes and the group management. The front-end nodes and the node groups have aparallel operation mode based on the channel management and realize the data shunting and loading sharing based on the channel.

Description

电力自动化前置系统通道级的分层动态路由方法 Automation System Power front channel level hierarchical dynamic routing method

技术领域 FIELD

[0001] 本发明涉及电力自动化系统中前置处理技术领域,尤其涉及一种电力自动化系统中装置、通道、前置节点的多层动态路由选择、通道级的冗余备份技术。 [0001] The present invention relates to the field of power automation technology preprocessing system, particularly to a power system automation apparatus, channel, dynamic routing multilayer pre-selected node, the channel-level redundancy technique.

背景技术 Background technique

[0002] 在现代化的社会中,电力系统是保障国民经济正常运行的重要基础设施,电力系统的大面积停电故障将直接对人民生活、国民经济产生直接的重大影响。 [0002] In modern society, the power system is an important infrastructure guarantee the normal operation of the national economy, large-scale power failure of the power system will have a direct and significant impact on people's lives directly, the national economy. 电力系统监控是有效保证供电可靠性的重要手段之一,而集控系统的正常工作依赖于数据采集、前置处理系统。 Power system monitoring is one of the effective guarantee the reliability of the important means of power, while the normal operation of the centralized control system depends on the data collection, pre-processing system. 因此前置采集处理系统是自动化系统的关键一环。 Thus pre-acquisition and processing system is a key element of the automation system.

[0003] 在现有电力自动化主站系统中,前置节点一般采用主备节点模式,即一主一备或者一主多备,正常情况下,主节点处理所有的数据,在主节点故障时,由其它节点接管其处理工作。 [0003] In the conventional power automation master system, the general node front node standby mode, i.e., a main one or a plurality of the main equipment, under normal circumstances, the master node processes all the data, when the primary node fails , which is taken over by the other processing nodes.

[0004] 通道建设由于建设和规划原因,可能存在互为备用的通道采用不同的介质,如主通道采用光纤网络,而备用通道则采用拨号网络等,而且可能存在不同的规约方式,原有的自动化系统对这种混合模式的支持,其灵活度存在问题,较难达到动态热备、切换。 [0004] Since the channel construction planning and construction reasons, there may be mutual standby channels using different media, such as a main channel fiber-optic network, and the standby channel is used dial-up network, etc., and there may be different ways of the statute, the original support for this hybrid model, there is the problem of its flexible automation system, difficult to achieve dynamic hot standby switching.

发明内容 SUMMARY

[0005] 本发明的目的是为了克服现有技术中存在的上述缺陷,提出了一种电力自动化系统中前置系统通道级的冗余备份、负载分担的分层动态路由方法。 [0005] The object of the present invention is to overcome the above drawbacks present in the prior art, it is proposed redundant automation system of a power level of the pre-channel system, hierarchical dynamic routing method of load balancing. 其特征在于,所述的方法包括: Wherein said method comprises:

[0006] 针对以上提到的物理层次引入了逻辑分层的设计模式,最底层是通讯介质的设备管理层,向上依次是框架层,规约解释层,数据处理层; [0006] For the introduction of the above-mentioned physical level hierarchical logic design pattern, the bottom is the device management communications media, sequentially upward layer frame is statute interpretation layer, data processing layer;

[0007] 设备层管理层,用于屏蔽各种不同介质的通讯特性,对框架应用提供统一的数据读入和写出接口; [0007] The layer management apparatus, for shielding a variety of different characteristics of the communication media, to provide a unified data read and written to the frame application interfaces;

[0008] 框架层,用于通道的管理,结合各种应用的数据传输特性,框架层支持多种运行方式,包括:事件触发方式的读写解释模式、定时方式的读写解释模式,每个通道可以单独管理,也可统一管理; [0008] The frame layer, a management channel, the data transmission characteristic in conjunction with a variety of applications, the frame layer supports multiple operating modes, comprising: a read write mode explained interpreted event trigger mode, the timing modes, each channels may be managed separately, may be unified management;

[0009] 规约解释层,由于完成各种不同规约的解析,为数据处理层提供统一的数据接Π ; [0009] statute explained layer, due to the completion of various parsing different statute, providing uniform data to a data processing [pi bonding layer;

[0010] 数据处理层,负责处理规约解释后的数据,按照电力应用数据类型分类发送到各自的应用服务器。 [0010] The data processing layer, is responsible for processing the data interpretation statute, transmitted to the respective application server according to the power application data type classification.

[0011] 通过逻辑的分层设计实现真正通道级的冗余备份: [0011] truly redundant backup channel level hierarchical design by logic:

[0012] 前置子系统逻辑设计引入了分层模式,最底层是通讯介质的设备管理层,依次框架层,规约解释层,数据处理层。 [0012] Logic subsystem design introducing a pre-stratified mode, the lowest level is a device management communications media, sequentially framework layer, an interpretation layer statute, the data processing layer.

[0013] 通过逻辑的分层设计,屏蔽了采集设备、通道/规约、前置节点/节点组各层自身的差异性,从而实现了冗余热备的支持。 [0013] Logic design by layering, shielded acquisition device, channel / protocol, the pre-node / nodes set their differences layers, thereby achieving a redundant hot standby. 特别的是框架层对通道的管理模式,和规约解释层 In particular mode frame layer management channel, layers and protocols interpretation

3对不同规约统一的接口模式,使得系统实现了真正通道级的冗余备份技术。 3 pairs of different statute unified interface modes, such that the channel system to achieve a true level redundancy technique.

[0014] 具体的逻辑分层设计为:设备层的实现,主要是屏蔽各种不同介质的通讯特性,对框架应用提供统一的数据读入和写出接口。 [0014] Specifically designed hierarchical logic: for device layer, the main characteristics of the different shielding various communications media, to provide a unified interface to data read and written to the frame application.

[0015] 框架层的实现主要涉及通道的管理,结合各种应用的数据传输特性,系统支持多种运行方式,如事件触发方式的读写解释模式,也支持定时方式的读写解释模式,每个通道可以单独管理,也可统一管理。 [0015] Implementation Framework relates layer management channel, in conjunction with the data transmission characteristic variety of applications, operating systems support a variety of ways, as interpreted event trigger write mode of embodiment, explanation is also supported write mode timing modes, each channels can be managed separately, can also be unified management.

[0016] 规约解释层完成各种不同规约的解析,为数据处理层提供统一的数据接口。 [0016] statute layer performs various parsing different interpretation of the statute, to provide a unified interface to the data processing data layer.

[0017] 通过设备层和框架层的管理,可以实现通道的有效管理,而屏蔽了通讯介质特性、 通道模式等,从而为通道级的冗余备份技术,即通道的动态切换、热备技术提供了基础。 [0017] through the device layer and the layer management framework, effective management channel can be implemented, and the shield characteristics of the communication media, the channel mode, channel to provide dynamic switching technique redundancy level, i.e. the channel, hot standby technology the foundation.

[0018] 规约层可以动态解析不同的规约,从而支持不同规约通道切换的可能,实现了装置与通道/规约的路由技术。 [0018] statute layer may be different from the dynamic resolution protocol, thereby supporting the statute channel switch may be different, and the means to achieve the channel / routing statute.

[0019] 数据处理层,负责处理规约解释后的数据,按照电力应用数据类型分类发送到各自的应用服务器。 [0019] The data processing layer, is responsible for processing the data interpretation statute, transmitted to the respective application server according to the power application data type classification. 如对调度自动化的四遥信息,发送到数据处理服务(DPservice)处理,对保护告警和动作信息发送到保护信息服务(RELAYSERVICE)处理,遥控信息发送到遥控服务(C0NTR0LSERVICE)。 The four remote automated scheduling information transmitted to the data processing service (DPservice) processing, and transmits the operation information to the protection alarm protection information service (RELAYSERVICE) processing, transmitting a remote control information to the remote service (C0NTR0LSERVICE).

[0020] 前置节点、节点组模式的数据分流技术: [0020] Pre-node, node group pattern data streaming technology:

[0021] 前置服务节点采用分组技术,每组配置冗余节点,组内节点互为备用,不同组则分担不同的通道数据处理,一般情况下在组内完成通道级的动态热备切换,在节点故障情况下,则能实现不同节点的热备切换,在严重情况下,如整组节点出现故障的极端情况,不同节点组也可以实现热备切换,从而极大的提高了可靠性。 [0021] Pre-packet technology service node, each node redundancy configuration, mutual backup node, the different groups of channels of different data processing sharing the group, complete channel level within the dynamic group Hot Standby switchover in general, node in case of failure, the standby switching can be realized in different nodes of heat, in severe cases, such an extreme case the entire set of node failure occurs, the different node groups can also be achieved hot standby switching, thereby greatly improving the reliability.

[0022] 前置节点与数据采集装置RTU之间的通讯连接由通讯通道(communicationLink) 及通讯路由(RURoute)组成。 [0022] The communication between the node device and the data acquisition pre-RTU connected communication channel (communicationLink) and communication routes (RURoute) composition.

[0023] 通讯通道(communicationLink)是指现实世界中存在的物理通讯线路,或在物理通讯线路中可配置点对点通讯的逻辑通讯线路,如一条光纤中的ID/socket到IP/socket 的TCP连接。 [0023] communication channel (communicationLink) refers to the real-world presence of physical communication lines, or the physical communication lines may be configured to-point communication logic communication line, such as an optical fiber in the ID / socket TCP connection to IP / socket's. 即一对socket配置为一个通讯通道。 I.e., one pair is configured as a socket communication channel.

[0024] 通讯路由(RTURoute)是指一个前置节点到一个RTU的点对点虚拟通讯链路。 [0024] Communication Routing (RTURoute) refers to a front node point of a virtual communication link RTU.

[0025] 结合这两个主要技术点,本发明实现了装置、通道/规约、前置节点(组)之间实现了完整的多层动态选择(路由)技术。 [0025] The combination of these two main technical points, the present invention realizes an apparatus, the channel / protocol, to achieve a complete multilayer dynamic selection (routing) between the front technology node (s).

[0026] 本发明提出的电力自动化系统前置系统通道级的冗余备份、负载分担的分层动态路由技术,可以实现不同介质通道的热备切换,对于大数据量的系统,则可以通过前置分组技术实现负载分担,而且组内、组间多重冗余备份技术则提供了极高的可靠性。 Before [0026] redundant channel power level automation systems of the front system proposed by the present invention, a hierarchical dynamic routing load balancing can be implemented Hot Standby switchover different media channels, a large amount of data for the system, by Setup packet technology to achieve load balancing, and the group, the group among multiple redundancy technique provides a high reliability. 可以作为提高电力自动化主站系统前置处理的一种重要解决方案。 It can serve as an important solution to improve power system automation master pre-processing.

附图说明 BRIEF DESCRIPTION

[0027] 图1是本发明的整体层次结构图 [0027] FIG. 1 is an overall view of the invention Hierarchy

[0028] 图2是本发明方法使用的设备管理图; [0028] FIG. FIG. 2 is a device management method of the present invention;

[0029] 图3是本发明方法使用的通道级冗余备份示意图; [0029] FIG. 3 is a schematic view of the channel-level redundancy method of the present invention;

[0030] 图4是本发明方法使用的双FEP组分流示意图。 [0030] FIG 4 is a group of FEP dual method of the invention using a schematic diagram of a shunt. 具体实施方式 detailed description

[0031] 下面根据说明书附图,对本发明的技术方案作进一步详细说明。 [0031] According to the following accompanying drawings, technical solutions of the present invention will be further described in detail.

[0032] 本发明提出了一种电力自动化系统前置系统通道级的冗余备份、负载分担的分层动态路由方法。 [0032] The present invention provides a redundant power level automation systems of front system channels, hierarchical dynamic routing method of load balancing.

[0033] 通过逻辑的分层设计实现真正通道级的冗余备份,在前置系统中引入了逻辑分层的设计模式,最底层是通讯介质的设备管理层,向上依次是框架层,规约解释层,数据处理层。 [0033] achieved by a layered design of the logic level of redundancy real channel, is introduced in a logical hierarchical design pattern front-end system, the communication management apparatus is the bottom of the media, sequentially upward layer frame is, to explain the statute layer, data processing layer.

[0034] a)逻辑分层处理 [0034] a) slicing logic

[0035] 1)设备管理层 [0035] 1) Device Management

[0036] 如图2所示为本发明方法使用的设备管理示意图,设备管理层完成对所有设备对象的状态监控和数据的收发处理。 Device Management [0036] As shown in Figure 2 of the present invention, a schematic view of the method used, the management device to receive and send status monitoring and data processing for all the device objects. 由于前置系统访问的通讯设备种类很多,为了屏蔽不同采集设备的软硬件差异,方便系统上层使用,对不同设备分别建立一个设备类。 Because many types of communications equipment to access the front-end system, in order to shield the different acquisition devices of hardware and software differences, the system easy to use an upper layer, a device class of the different devices are established. 系统提供通讯接口基类,每一种通讯接口类型做为子类实现。 Communication interface system provides a base class, each type of communication interface implemented as a subclass. 每一种类型的通讯接口均提供打开,关闭,读写操作等访问方法。 Each type of communication interfaces are provided to open, close, read and write access operation method and the like.

[0037] 底层通讯设备库的设计,很好的实现了设备的扩展和维护。 [0037] the underlying database design communications equipment, to achieve a good expansion and maintenance of the equipment.

[0038] 2)框架层 [0038] 2) layer frame

[0039] 框架层的实现主要涉及通道的管理,结合各种应用的数据传输特性,系统支持多种运行方式,如事件触发方式的读写解释模式,也支持定时方式的读写解释模式,每个通道可以单独管理,也可统一管理。 [0039] Implementation Framework relates layer management channel, in conjunction with the data transmission characteristic variety of applications, operating systems support a variety of ways, as interpreted event trigger write mode of embodiment, explanation is also supported write mode timing modes, each channels can be managed separately, can also be unified management.

[0040] 3)规约层 [0040] 3) Layer statute

[0041] 在前置系统的设计中,通讯规约是种类最繁杂而且变化最多的。 [0041] In the design of front-end system, the communication protocol is the widest and most complex changes. 因此通讯规约类库的设计最重要的在于抽象基类的设计,抽象基类给出了独立于类数据及其内部操作的与用户的公共接口。 Thus communication protocol library design the most important is the abstract base class design, abstract base class given the class independent data and its internal operation with the user's public interface. 类的公共接口定义了存取数据的方法,尽管类的内部实现改变后,用户也可保持原有的公共接口不变。 The public interface defines the method of accessing data, despite the changes implemented within the class, the user can keep the original unchanged public interface. 这样,即使增加新的规约,只要保持接口不变,规约内部的实现可以封装起来,方便通讯规约扩展。 Thus, even adding new statute, as long as the interfaces remain unchanged, the internal implementation of the Statute can be packaged to facilitate communication protocol extensions.

[0042] 通讯规约类主要功能是完成对各种通讯规约进行数据解释、数据封装,方便通讯服务进程FEP操作、调用。 [0042] communication protocol principal function is to complete a variety of communication protocols for data interpretation, data encapsulation, convenient communications service process FEP operation, called. 规约基类以及所有扩展出的子类被封装在动态连接库中,形成系统的规约解释库。 Statute a base class and subclasses all expansion is encapsulated in a dynamic link library, the library forming system explained statute.

[0043] 4)数据处理层 [0043] 4) Data processing layer

[0044] 规约解释后的数据,按照电力应用数据类型分类发送到各自的应用服务器。 Data [0044] to explain the statute, transmitted to the respective application server according to the power application data type classification. 如对调度自动化的四遥信息,发送到DPservice处理,对保护告警和动作信息发送到RELAYSERVICE 处理,遥控信息发送到C0NTR0LSERVICE。 Such as four remote automated scheduling information sent to DPservice processing operation and transmits the information to the alarm protection RELAYSERVICE processing, transmits information to the remote C0NTR0LSERVICE.

[0045] 每一个通道有一个当前控制节点;每一个RTU有一个主通道。 [0045] Each channel has a current control node; Each RTU has a main channel. (默认优先级最高的通道为主通道)。 (By default the highest priority channel as a master channel). 通道的当前控制节点完成通道的上送数据进入实时库,及系统应用的控制命令下行至RTU。 Node on the current control channel to complete transmission of channel data into the database in real time, the system and application control commands downlink to RTU. 另外,一个通道还可以具备另一个非控制节点,非控制节点可以接收通道数据,但不写入实时库,也不下发控制命令。 Further, a channel may also be provided with other non-control node, the control node may receive the non-channel data, but not write real-time database, the control command is not issued.

[0046] 如图3所示为本发明方法使用的通道级冗余备份示意图,如果一个采集装置(如RTU)通过两个通道分别接到两个前置服务节点(FEP)上,如RTU2通过C3接到FEP1,通过C5接到FEP2。 [0046] channel level redundancy method of the present invention As shown in Figure 3 is used, if on a collection device (such as a RTU) to the front two service nodes (FEP) via two channels, respectively, such as by RTU2 C3 to FEP1, C5 received by FEP2. 一个FEP节点发生故障时,另一FEP节点则将此RTU的主通道变更为另一通道。 When a node failure FEP, FEP another node of the main passage RTU this change to another channel. 如FEPl故障退出,则FEP2将RTU2的主通道设置为C5,RTU2保持正常接入。 The exit FEPl fault, the main passage RTU2 FEP2 set to C5, RTU2 maintain normal access.

[0047] 当发生FEP节点故障时,如果一个RTU只有一个通讯通道,则系统通过通道叉分机制,在主站端将一个通道接入两个FEP节点。 [0047] When a node failure FEP, a RTU only if a communication channel, the system mechanisms by bifurcating channels, a master station end of the channel access FEP two nodes. 如通道C8在主站端接入FEP2、FEP3两个节 The channel access C8 FEP2, FEP3 two sections in the master station side

点ο Point ο

[0048] 系统正常运行时,C8的控制节点为FEP3。 [0048] system during normal operation, C8 control node FEP3. 当发生FEP3节点故障时,FEP2将通道C8的控制节点改为FEP2,C8通道仍正常运行。 When a node failure FEP3, FEP2 channel C8 of the control node to FEP2, C8 channel is still operating normally.

[0049] 启动时一个通道有哪些节点可以打开:一般情况下,一个通道只有一个FEP节点打开。 [0049] When the node starts a channel which can be opened: In general, only one channel node to open a FEP. 但是如果是UDP组播通道、或具备通道叉分装置,则一个通道可由两个或多个FEP节点打开。 However, if the UDP multicast channels, or a channel comprising bifurcating device, a two or more channels may be opened FEP nodes. 但一个通道在某一运行时刻只能有一个控制节点。 However, one channel at a time, only one operating control node.

[0050] 故障时一个通道有哪些节点可以打开:当一个前置节点故障情况下,其所控制的各RTU通道会失去控制节点,则在所有前置节点列表中,故障前置节点的下一前置节点负责打开已成为孤立的RTU通道。 [0050] When a failure of one channel which can open the node: node when a pre-fault conditions, it controls the respective channels RTU lose control node, then the list of all the pre-node, the next node failure front pre-node responsible for opening the channel has become isolated RTU.

[0051] 在如图3所示的通道连接关系中,RTUl有三个通道与主站系统相联(两个通道由FEPl管理,一个通道由FEP2管理)。 [0051] In the connection relationship shown in FIG. 3 in the channel, RTUl three channels associated with the master system (FEPl managed by the two channels, a channel management by the FEP2). RTU4有一个通道与主站系统相联,但FEP2、FEP3均可打开此通道(如通过串口服务器切换装置,或一个通道具有两个设备地址)。 RTU4 has a channel associated with the master system, but FEP2, FEP3 this channel can be opened (e.g., through the serial port server switching means having two channels or a device address).

[0052] 则在通道参数表中,具有8条通道。 [0052] In the channel parameter table having eight channels. 其中,C1/C2/C3的控制节点为FEPl,C4/C5/C6 的控制节点为FEP2,C7/C8的控制节点为FEP3。 Wherein, C1 / C2 / C3 control node FEPl, the control node C4 / C5 / C6 is FEP2, the control node C7 / C8 is FEP3.

[0053] 同时,对一个RTU具有的多个通道,配置每个通道的优先级,如RTUl的三个通道。 [0053] Meanwhile, a plurality of channels having RTU, the priority of each channel configuration, such as the three channels RTUl.

[0054] [0054]

Figure CN101588295BD00061

[0055] 系统启动时,FEPl打开C1/C2/C3通道,FEP2打开C4/C5/C6通道,FEP3打开C7/ C8通道。 When the [0055] system startup, FEPl opening C1 / C2 / C3 channel, FEP2 open C4 / C5 / C6 channel, FEP3 open C7 / C8 channels. 系统启动后,C1/C2/C3的控制节点为FEP1,C4/C5/C6的控制节点为FEP2,C7/C8 的控制节点为FEP3。 After the system starts, C1 / C2 / C3 control node FEP1, the control node C4 / C5 / C6 is FEP2, the control node C7 / C8 is FEP3.

[0056] FEPl通过Cl通道对RTUl进行控制,通过C3通道对RTU2进行控制。 [0056] FEPl controlled by RTUl Cl channel, controlled by RTU2 passage C3.

[0057] FEP2通过C6通道对RTU3进行控制。 [0057] FEP2 controlled RTU3 passage through C6. [0058] FEP3通过C8通道对RTU4进行控制。 [0058] FEP3 controlled RTU4 passage through C8.

[0059] 2、前置节点、节点组模式的数据分流方法 [0059] The data distribution method, pre-node, node group mode

[0060] 如图3所示,有两个FEP节点,FEPl接入RTUl和RTU2,FEP2接入RTU3和RTU4,在FEPl和FEP2之间实现了负载分担。 [0060] As shown in FIG. 3, there are two nodes FEP, and FEPl access RTUl RTU2, FEP2 access RTU3 and RTU4, and between FEPl FeP2 achieving load balancing. 这是常规的一种前置分流技术。 This is a conventional front-streaming technology.

[0061] 而如图4所示,系统配置了两个前置机组,FEPl和FEP2为一个前置机组,接入RTU1/RTU2/RTU3。 [0061] and FIG. 4, the system is configured with two front units, FEPl FEP2 and a front unit, access RTU1 / RTU2 / RTU3. FEP3和FEP4为一个前置组,接入RTU4/RTU5/RTU6。 FEP3 FEP4 and a front group, the access RTU4 / RTU5 / RTU6. 两个前置机组独立工作,实现负载分担。 Two front units work independently to achieve load sharing.

[0062] 在前置机组1内,FEPl和FEP2冗余备用。 [0062] In the front unit 1, FEPl FEP2 redundancy and backup.

[0063] 在前置机组2内,FEP3和FEP4冗余备用。 [0063] In the front unit 2, FEP3 FEP4 redundancy and backup.

[0064] 在前置机组1或者2整体出现故障的极端情况时,其它的前置组则可以完全接管改组的处理工作,从而使得可靠性提高了一级。 [0064] When the extreme case the entire front unit 1 or 2 fails, the other pre-set processing can completely take over restructuring, so that an improvement in reliability.

[0065] 整体架构如图1所示,实现了采集装置、通道、前置节点间的多层动态路由技术。 [0065] The overall architecture shown in Figure 1, to achieve a multilayer dynamic routing means between the collecting channel, the node front.

[0066] 综上所述,本发明的方法是在现有技术基础上,针对现有技术应用领域的不足,为了克服现有技术中存在的上述缺陷,提出了一种电力自动化系统中前置系统通道级的冗余备份、负载分担的前置分层动态路由技术,其方法的具体技术方案由本发明的权利要求所限定。 [0066] In summary, the method of the present invention is based on the prior art, for the deficiencies in the prior art technology, in order to overcome the above disadvantages of the prior art, and proposes a power pre-automation system redundant channel system level, the pre-load balancing hierarchical dynamic routing, in particular its method aspect is defined by the claims of the present invention.

Claims (2)

1. 一种电力自动化前置系统通道级的分层动态路由方法,所述方法实现了电力自动化系统中前置系统部分通道级的冗余备份和前置服务节点/节点组的负载分担,所述的方法包括:在所述前置系统中引入了逻辑分层的设计模式,最底层是通讯介质的设备管理层,向上依次是框架层,规约解释层,数据处理层;设备管理层,用于屏蔽各种不同介质的通讯特性,对框架应用提供统一的数据读入和写出接口;框架层,用于通道的管理,结合各种应用的数据传输特性,框架层支持多种运行方式, 所述多种运行方式包括事件触发方式的读写解释模式和定时方式的读写解释模式,每个通道可以单独管理,也可统一管理;规约解释层,用于完成各种不同规约的解析,为数据处理层提供统一的数据接口;数据处理层,负责处理规约解释后的数据,按照电力应用数据 Hierarchical dynamic routing, the method A power-level automation system channel pre achieving load balancing redundant power automation system front-end system and the pre-stage portion of the channel serving node / node group, the said method comprising: introducing the system in the logical hierarchy preamble design pattern, the bottom is the device management communications media, sequentially upward layer frame is statute interpretation layer, data processing layer; management equipment, with shielding properties of different media of various communications, to provide a unified data read and written to the frame application interfaces; framework layer, for managing the channel, the data transmission characteristic in conjunction with a variety of applications, the frame layer supports multiple operating mode, the operating mode includes a plurality of read write mode explained embodiment interpreted mode and timing of trigger events, each channel can be managed separately, may be unified management; statute interpretation layer for performing various parsing different statute, provide a uniform data interface to a data processing layer; data processing layer, is responsible for processing data interpretation statute, the application data in accordance with a power 型分类发送到各自的应用服务器;前置服务节点组,每组前置服务节点配置冗余节点,组内节点互为备用,不同组则分担不同的通道数据处理,在组内完成通道级的动态热备切换,当在节点故障情况下,则能实现组内不同节点的热备切换;当整组节点出现故障的情况下,不同节点组也可以实现热备切换。 Classification type sent to the respective application server; pre service node groups, each service node configuration front redundant nodes, each other node backup, the different groups of channels of different data processing sharing the group completed channel level in the group dynamic thermal standby switching, when the node in case of failure, the hot standby switchover different node within the group can be achieved; the case where the entire set of node failure, node groups can also be achieved in different hot standby switchover.
2.根据权利要求1所述的路由方法,其特征为,通过逻辑的分层设计,屏蔽了采集设备、通道、规约、前置服务节点、节点组各层自身的差异性,从而实现了对冗余热备的支持, 包括框架层对不同通道的管理,和规约解释层对不同规约统一的接口模式,使得电力自动化前置系统实现了真正通道级的冗余备份。 2. The routing method according to claim 1, characterized by a layered design logic, the shield of the acquisition device, the channel, the statute, the pre-service node, node group differences in the respective layers themselves, thus realizing the redundant hot standby, the management frame comprises a layer of different channels, and protocols for different interpretation layer statute unified interface mode, so that the power system to achieve automation of the pre-channel redundancy true level.
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