WO2020052308A1 - 一种基于注册服务的配电终端即插即用接入方法 - Google Patents
一种基于注册服务的配电终端即插即用接入方法 Download PDFInfo
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- WO2020052308A1 WO2020052308A1 PCT/CN2019/092052 CN2019092052W WO2020052308A1 WO 2020052308 A1 WO2020052308 A1 WO 2020052308A1 CN 2019092052 W CN2019092052 W CN 2019092052W WO 2020052308 A1 WO2020052308 A1 WO 2020052308A1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote monitoring or remote control of equipment in a power distribution network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
- H04L41/0806—Configuration setting for initial configuration or provisioning, e.g. plug-and-play
- H04L41/0809—Plug-and-play configuration
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- the invention relates to a plug-and-play access method for a power distribution terminal based on a registration service, and belongs to the technical field of terminal access of a power distribution main station.
- the access work of the distribution terminal requires the two parties to complete the production and review of models and information point tables. There are problems such as repeated work and low efficiency.
- the application service data of the distribution terminal It is directly delivered to the automation system of the distribution main station.
- the upgrade of the distribution main station, configuration modification, and expansion of new functions have technical difficulties and complicated processes, which affect the efficiency of smart grid construction.
- the object to be achieved by the present invention is to provide a plug-and-play access method for power distribution terminals based on registration services, which solves the problem of power distribution terminals without changing the network structure of the existing power distribution master station-power distribution terminal.
- the problem of low efficiency of the station accessing the power distribution terminal improves the operation and maintenance efficiency and reliability of the power distribution automation system.
- a plug-and-play access method for a distribution terminal based on registration services including the following steps:
- the power distribution terminal is pre-configured. Specifically, the power distribution terminal is preset with a unique power distribution terminal ID according to the naming rules, and the power distribution terminal IP, power distribution main station IP, and Gateway settings
- the power distribution terminal initiates a registration connection request to the power distribution master station.
- the power distribution master station responds to the connection request.
- a registration channel is established between TCP connections, with the power distribution terminal as the client and the power distribution master as the server.
- the listening port is fixed at 12404.
- the distribution master station parses the received registration message and configures the IEC104 channel
- the distribution master station After the IEC104 channel connection is established, the distribution master station actively calls the ICD file to the distribution terminal;
- the distribution master station configuration imports and calls the ICD file configuration to generate a CID file and download it to the distribution terminal through the IEC104 channel;
- the power distribution terminal After the power distribution terminal resets the link, it sends a registration message containing the updated CID file version content to the power distribution master station again;
- the distribution master station checks the registration information to confirm that the distribution terminal ID has been registered
- the distribution master station performs ICD and CID consistency verification on the registered distribution terminal; if the verification is inconsistent, it alerts and notifies manual intervention, and also tells the distribution terminal to wait for configuration confirmation; if the verification is successful, The distribution master releases the registered connection;
- the registration message in the foregoing step 3) includes: the distribution terminal ID, the ICD file version number, the ICD file modified version number, the ICD file characteristic code, the CID file version number, the CID file modified version number, the CID file characteristic code, and the power distribution Terminal IP.
- the aforementioned registration message is a message that records the interaction between the power distribution master station and the power distribution terminal in the form of a readable file of a message log.
- the distribution master station creates and configures the IEC104 channel by using the distribution terminal IP and the default port number.
- the CID file generation process is as follows: the power distribution master station selects points in the ICD file, sets a version number, sets a name, and finally generates a CID file.
- the specific process of verifying the file format and content is: after receiving the CID file downloaded from the distribution master station, the distribution terminal checks the DS name, LN node, and LD naming rules of the CID to confirm the CID File format and content.
- the distribution master station performs ICD and CID consistency check, including file version check and file content check, as follows:
- the distribution master station parses the ICD and CID file version numbers in the registration message and compares them with the version number set in the step 6) when the distribution master station configures the ICD to generate the CID file to complete the file version verification. ;
- the distribution master station calls the CID file of the distribution terminal, and compares the CID file of the distribution terminal with the CID file downloaded in step 6) by the CRC check to complete the content verification of the file. .
- the present invention realizes the automatic access of the power distribution terminal in a plug and play manner without changing the network structure of the existing power distribution master station-the power distribution terminal;
- the invention facilitates maintenance personnel to quickly, safely and accurately carry out work such as new equipment access to the power distribution terminal, replacement of old equipment, etc., improves work efficiency, and has important significance for ensuring efficient and reliable operation of the automation system of the power distribution main station.
- FIG. 1 is a flowchart of a method of the present invention
- FIG. 2 is a schematic diagram of new equipment access of a power distribution terminal according to an embodiment of the present invention.
- the present invention proposes a plug-and-play access method for a power distribution terminal based on a registration service.
- the process can refer to FIG. 1 and includes the following steps:
- the power distribution terminal is preset with a unique power distribution terminal ID according to the naming rules, and the power distribution terminal IP, power distribution main station IP, and gateway settings are configured before the power distribution terminal is accessed.
- the registration channel establishes a TCP connection between the power distribution master station and the power distribution terminal, the power distribution terminal serves as the client, the power distribution master serves as the server, and the listening port is fixed to 12404.
- the distribution master station analyzes the registration message
- the registration message includes the ID of the power distribution terminal, the ICD (IED Configuration Description) file version number, the ICD file modification version number, and the ICD file. Characteristic code, CID (Configured IED, Description of ICD instance configuration file) file version number, CID file modified version number, CID file characteristic code, and backup information such as the distribution terminal IP.
- the distribution master station receives The parsing registration message is parsed. After the parsing is successful, the distribution terminal IP and the default port number (such as 2404) are used to create and configure the IEC104 channel.
- the registration message is a message that records the interaction between the power distribution master station and the power distribution terminal in the form of a readable file of a message log.
- the power distribution master station calls the ICD configuration to generate a CID and issues it;
- the power distribution master station summons the ICD file and imports it, selects the points of interest in the ICD file, sets the version number, sets the name, and finally generates a CID file, which is downloaded to the power distribution terminal through the IEC104 channel.
- the power distribution terminal checks to load the CID and resets the registration channel.
- the distribution terminal After the distribution terminal receives the CID downloaded from the distribution master station, it first checks the DS (Data Set) name, LN node (Logical Node, logical node), and LD (Logical Device) of the CID. Naming rules to confirm whether the CID format and content are correct. If the verification succeeds, the CID file is automatically loaded and the link is reset. If the verification fails, the power distribution terminal records the failure reason, and the registration connection is re-initiated after a delay, and the registration message clearly contains the error code of the last failure reason.
- DS Data Set
- LN node Logical Node, logical node
- LD Logical Device
- the power distribution master station performs ICD and CID consistency verification to complete the registration process.
- the distribution terminal loads the CID and resets the link, it sends a registration message to the distribution master station again, and the master station parses the ICD and CID file version numbers in the registration message, and in step S4, the distribution master Whether the version numbers set when the station configures the ICD to generate the CID are consistent with each other to complete the version check.
- the distribution master station calls the CID file of the distribution terminal and compares the CID file of the distribution terminal with the CID file downloaded by the distribution master station by CRC check (Cyclic Redundancy Check) to complete the content calibration. Check.
- Figure 2 is an example of the interaction process between the power distribution master station and the power distribution terminal. The process includes:
- the power distribution terminal initiates a registration connection request to the power distribution master station, and the power distribution master station responds to the connection request and establishes a registration connection.
- S202 Send registration information to request registration
- the power distribution terminal After the registration connection is established, the power distribution terminal sends a registration message to the power distribution master station to request registration.
- the distribution master station parses the received registration message and determines that the distribution terminal is a newly added device.
- the power distribution master station creates an IEC104 connection to the power distribution terminal based on the information such as the power distribution terminal IP in the registration message.
- the distribution master station After the IEC104 connection is established, the distribution master station actively calls the ICD file to the distribution terminal.
- the distribution master station imports the summoned ICD file, selects points, changes the version number, and changes the configuration to generate a CID file, which is downloaded to the distribution terminal through the IEC104 connection.
- the power distribution terminal After receiving the CID file, the power distribution terminal verifies the file format and content.
- the distribution terminal After the distribution terminal verifies that the CID is correct, it loads and resets the link.
- the power distribution terminal After the power distribution terminal resets the link, it sends the registration information including the updated CID version to the power distribution master station again.
- the distribution master station checks the registration information to confirm that the terminal ID is registered.
- the power distribution master station verifies the ICD and CID versions, modified versions, and CRC information of the registered power distribution terminal.
- the distribution master releases the registered connection.
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Abstract
本发明公开了一种基于注册服务的配电终端即插即用接入方法，在配电主站与配电终端之间建立注册服务连接，配电终端将本设备终端ID等信息通过报文上送至配电主站，配电主站解析注册信息报文后从配电终端召唤ICD配置文件并编辑生成CID文件进行下装，配电终端校验并加载CID文件后复位连接，配电主站校验终端注册信息一致则完成配电终端的即插即用式接入。采用本发明在不改变现有配电主站-配电终端的网络结构的情况下实现配电终端的即插即用自动接入，提高了工作效率和可靠性。
Description
本发明涉及一种基于注册服务的配电终端即插即用接入方法，属于电力系统配电主站终端接入技术领域。
目前，在配电主站建设过程中配电终端接入工作需要通信双方完成模型、信息点表的制作和审核，存在重复工作多、效率低等问题；同时，因配电终端应用服务数据不能直接上送到配电主站自动化系统，配电主站版本升级、配置修改、新功能扩展等工作存在技术难度大、流程复杂等问题，影响了智能电网建设效率。
发明内容
本发明所要达到的目的是提供一种基于注册服务的配电终端即插即用接入方法，在不改变现有配电主站-配电终端的网络结构的情况下解决了在配电主站接入配电终端效率低下的问题，提高了配电自动化系统的运维效率和可靠性。
为达到上述目的，本发明所采用的技术方案如下：
一种基于注册服务的配电终端即插即用接入方法，包括以下步骤：
1)配电终端进行预配置，具体为，配电终端出厂前按命名规则预设唯一的配电终端ID，并在配电终端接入前配置配电终端IP、配电主站IP以及进行网关设置；
2)建立配电主站与配电终端的注册通道连接，具体为，配电终端向配电主站端发起注册连接请求，配电主站响应连接请求，配电主站与配电终端之间建立TCP连接方式的注册通道，配电终端作为客户端，配电主站作为服务端，监听端口固定为12404；
3)注册通道连接建立后，配电终端上线时，通过所述注册通道向配电主站发送注册报文请求注册；
4)配电主站解析接收到的注册报文并配置IEC104通道；
5)IEC104通道连接建立后，配电主站向配电终端主动召唤ICD文件；
6)配电主站配置导入召唤的ICD文件配置生成CID文件并通过IEC104通道下装至配电终端；
7)配电终端校验加载CID文件，进行文件格式及内容校验，如果校验通过，则自动加载CID文件并复位链路；如果校验失败，则配电终端记录失败原因，待延时重新发起注册连接，并在注册报文中明确包含上次失败原因的错误码；
8)配电终端复位链路后重新向配电主站发送包含更新后CID文件版本内容的注册报文；
9)配电主站校验注册信息确认配电终端ID已注册；
10)配电主站对该已注册的配电终端进行ICD和CID一致性校验；如果校验不一致，则告警并通知人工干预，同时告诉配电终端，等待配置确认；如果校验成功，则配电主站释放注册连接；
11)注册过程完成，完成配电终端的接入。
前述的步骤3)中注册报文包括：配电终端ID、ICD文件版本号、ICD文件修改版本号、ICD文件特征码、CID文件版本号、CID文件修改版本号、CID文件特征码以及配电终端IP。
前述的注册报文是以报文日志的可读文件形式记录配电主站与配电终端之间交互的报文。
前述的步骤4)中，配电主站利用配电终端IP及默认端口号创建并配置IEC104通道。
前述的步骤6)中，CID文件的生成过程为：配电主站在ICD文件中进行选点，设定版本号，设定名称，最终生成CID文件。
前述的步骤7)中，进行文件格式及内容校验的具体过程为：配电终端接收到配 电主站下装的CID文件后，检查CID的DS名称、LN节点和LD命名规则，确认CID文件格式及内容。
前述的步骤10)中，配电主站进行ICD和CID一致性校验包括文件版本校验和文件内容校验，具体如下：
配电主站解析注册报文中的ICD及CID文件版本号，并与所述步骤6)中，配电主站配置ICD生成CID文件时设置的版本号比较是否一致，以完成文件版本校验；配电主站召唤配电终端的CID文件，通过CRC校验比较配电终端的CID文件与所述步骤6)中，配电主站下装的CID文件是否一致，以完成文件内容校验。
本发明具有以下有益效果：
1、本发明在不改变现有配电主站-配电终端的网络结构情况下，实现配电终端即插即用方式的自动接入；
2、本发明方便维护人员快速、安全、准确的开展配电终端新设备接入、旧设备更换等工作，提高了工作效率，对保证配电主站自动化系统的高效可靠运行具有重要意义。
图1为本发明方法的流程图；
图2为本发明实施例中配电终端新设备接入的示意图。
下面对本发明作进一步描述。以下实施例仅用于更加清楚地说明本发明的技术方案，而不能以此来限制本发明的保护范围。
本发明提出了一种基于注册服务的配电终端即插即用接入方法，其流程可参考图1，包括以下步骤：
S1、配电终端预配置；
具体为，配电终端出厂前按命名规则预设唯一的配电终端ID，并在配电终端接 入前配置配电终端IP、配电主站IP和进行网关设置等。
S2、建立配电主站与配电终端的注册通道连接；
具体的，注册通道为配电主站与配电终端建立TCP连接，配电终端作为客户端，配电主站作为服务端，监听端口固定为12404。
S3、配电主站解析注册报文；
具体为，配电终端上线时，通过上述注册通道发送注册报文，注册报文包含配电终端ID、ICD(IED Configuration Description，IED能力描述文件)文件版本号、ICD文件修改版本号、ICD文件特征码、CID(Configured IED Description，ICD实例配置文件)文件版本号、CID文件修改版本号、CID文件特征码以及配电终端IP等备用信息，配电主站根据注册报文的定义对接收到的注册报文进行解析，解析成功后利用配电终端IP及默认端口号(如2404)创建并配置IEC104通道。其中，注册报文是以报文日志的可读文件形式记录配电主站与配电终端之间交互的报文。
S4、配电主站召唤ICD配置生成CID并下发；
具体为，配电主站召唤ICD文件并导入，挑选ICD文件里面自己关心的点，设定版本号，设定名称，最终生成CID文件，并通过IEC104通道下装至配电终端。
S5、配电终端校验加载CID并复位注册通道；
具体为，配电终端接收到配电主站下装的CID后，首先检查CID的DS(Data Set，数据集)名称、LN节点(Logical Node，逻辑节点)、LD(Logical Device，逻辑设备)命名规则，确认CID格式及内容是否正确。如校验通过则自动加载CID文件并复位链路，如校验失败则配电终端记录失败原因，待延时重新发起注册连接，并在注册报文中明确包含上次失败原因的错误码。
S6、配电主站进行ICD和CID一致性校验，完成注册过程。
具体为，配电终端加载CID并复位链路完毕后，重新向配电主站发送注册报文， 主站解析注册报文中的ICD及CID文件版本号，并与步骤S4中，配电主站配置ICD生成CID时设置的版本号比较是否一致以完成版本校验。
配电主站召唤配电终端的CID文件，通过CRC校验(Cyclic Redundancy Check，循环冗余校验)比较配电终端的CID文件与配电主站下装的CID文件是否一致以完成内容校验。
上述版本或内容校验如不一致应告警并通知人工干预，同时告诉配电终端，等待配置确认；如果校验成功，则配电主站释放注册连接。
图2为配电主站和配电终端交互过程示例，流程包括：
S201、建立注册连接；
配电终端向配电主站端发起注册连接请求，配电主站响应连接请求，建立注册连接。
S202、发送注册信息请求注册；
注册连接建立后，配电终端向配电主站发送注册报文请求注册。
S203、解析注册信息；
配电主站对接收到的注册报文进行解析，判断该配电终端为新增设备。
S204、建立IEC104连接；
配电主站根据注册报文中的配电终端IP等信息创建与配电终端的IEC104连接。
S205、召唤ICD文件；
IEC104连接建立后，配电主站向配电终端主动召唤ICD文件。
S206、配置CID文件；
配电主站导入召唤的ICD文件，进行选点、修改版本号、修改名称等配置生成CID文件，通过IEC104连接下装至配电终端。
S207、校验CID；
配电终端接收到CID文件后，进行文件格式及内容校验。
S208、加载CID复位；
配电终端校验CID无误后进行加载并复位链路。
S209、重新发送注册信息；
配电终端复位链路后重新向配电主站发送包含更新后CID版本等内容的注册信息。
S210、校验注册信息；
配电主站校验注册信息确认终端ID已注册。
S211、ICD和CID校验；
配电主站校验该已注册的配电终端的ICD和CID版本、修改版本和CRC信息。
S212、释放注册连接；
校验成功后，配电主站释放注册连接。
S213、注册过程结束；
至此，注册过程完成，完成配电终端的即插即用式接入，进入其他业务。
以上所述仅是本发明的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明技术原理的前提下，还可以做出若干改进和变形，这些改进和变形也应视为本发明的保护范围。
Claims (7)
- 一种基于注册服务的配电终端即插即用接入方法，其特征在于，包括以下步骤：1)配电终端进行预配置，具体为，配电终端出厂前按命名规则预设唯一的配电终端ID，并在配电终端接入前配置配电终端IP、配电主站IP以及进行网关设置；2)建立配电主站与配电终端的注册通道连接，具体为，配电终端向配电主站端发起注册连接请求，配电主站响应连接请求，配电主站与配电终端之间建立TCP连接方式的注册通道，配电终端作为客户端，配电主站作为服务端，监听端口固定为12404；3)注册通道连接建立后，配电终端上线时，通过所述注册通道向配电主站发送注册报文请求注册；4)配电主站解析接收到的注册报文并配置IEC104通道；5)IEC104通道连接建立后，配电主站向配电终端主动召唤ICD文件；6)配电主站配置导入召唤的ICD文件配置生成CID文件并通过IEC104通道下装至配电终端；7)配电终端校验加载CID文件，进行文件格式及内容校验，如果校验通过，则自动加载CID文件并复位链路；如果校验失败，则配电终端记录失败原因，待延时重新发起注册连接，并在注册报文中明确包含上次失败原因的错误码；8)配电终端复位链路后重新向配电主站发送包含更新后CID文件版本内容的注册报文；9)配电主站校验注册信息确认配电终端ID已注册；10)配电主站对该已注册的配电终端进行ICD和CID一致性校验；如果校验不一致，则告警并通知人工干预，同时告诉配电终端，等待配置确认；如果校验成功，则配电主站释放注册连接；11)注册过程完成，完成配电终端的接入。
- 根据权利要求1所述的一种基于注册服务的配电终端即插即用接入方法，其特征在于，所述步骤3)中注册报文包括：配电终端ID、ICD文件版本号、ICD文件修改版本号、ICD文件特征码、CID文件版本号、CID文件修改版本号、CID文件特征码以及配电终端IP。
- 根据权利要求2所述的一种基于注册服务的配电终端即插即用接入方法，其特征在于，所述注册报文是以报文日志的可读文件形式记录配电主站与配电终端之间交互的报文。
- 根据权利要求1所述的一种基于注册服务的配电终端即插即用接入方法，其特征在于，所述步骤4)中，配电主站利用配电终端IP及默认端口号创建并配置IEC104通道。
- 根据权利要求1所述的一种基于注册服务的配电终端即插即用接入方法，其特征在于，所述步骤6)中，CID文件的生成过程为：配电主站在ICD文件中进行选点，设定版本号，设定名称，最终生成CID文件。
- 根据权利要求1所述的一种基于注册服务的配电终端即插即用接入方法，其特征在于，所述步骤7)中，进行文件格式及内容校验的具体过程为：配电终端接收到配电主站下装的CID文件后，检查CID的DS名称、LN节点和LD命名规则，确认CID文件格式及内容。
- 根据权利要求1所述的一种基于注册服务的配电终端即插即用接入方法，其特征在于，所述步骤10)中，配电主站进行ICD和CID一致性校验包括文件版本校验和文件内容校验，具体如下：配电主站解析注册报文中的ICD及CID文件版本号，并与所述步骤6)中，配电主站配置ICD生成CID文件时设置的版本号比较是否一致，以完成文件版本校验；配电主站召唤配电终端的CID文件，通过CRC校验比较配电终端的CID文件与所 述步骤6)中，配电主站下装的CID文件是否一致，以完成文件内容校验。
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| CN106487589A (zh) * | 2016-10-18 | 2017-03-08 | 中国电力科学研究院 | 一种终端自动接入与配置管理方法 |
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| CN106026397A (zh) * | 2016-06-22 | 2016-10-12 | 中国南方电网有限责任公司 | 一种基于iec61850的配网终端实现即插即用的方法 |
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