基于IEC 61850的微电网监控系统设计
发布时间：2019-05-21 23:08
【摘要】：在我国,电力是国民经济发展的重要能源,以火电为主的传统发电方式,不仅消耗资源而且严重污染环境。同时,远距离高电压传输和大容量集中式发电的大电网存在运行难度大、运营成本高、调节能力弱的问题。而以风能、太阳能、地热能等分布式发电为主的,包含储能设备、负载和控制装置的微电网技术能够节约能源、保护环境、减少发电成本、实现灵活供电。此外,将IEC 61850标准作为微电网通信的标准,能够使不同厂家的不同设备进行互操作和实现信息共享。本论文研究基于IEC 61850的微电网监控系统,实现对分布式发电、储能和负载状态的实时综合监控。首先,论文对三相交流微电网系统的整体架构进行了设计,由中央控制器连接底层的微电网系统硬件设备和上层的监控系统。接着介绍了微电网系统的分层通信结构,将其分为调度管理层、集中控制层和就地控制层,其中在调度管理层采用的是MMS+TCP+以太网的通信架构。之后对微电网监控系统功能需求进行说明——设计一个基于 IEC 61850 标准 MMS(Manufacture Message Specification)服务的B/S(Browser/Server)模式的Web远程监控管理系统。然后对系统中所用到的主要通信技术和两个Java中间件进行阐述。串口转以太网中间件和SCADA(Supervisory Control and Data Acquisition)系统中间件,向上与 MMS 服务器通信,向下与底层的中央控制器通信。其次,论文采用IEC 61850标准对微电网系统进行面向对象的分层建模,将负责测控的中央控制器作为建模的IED(Intelligent Electronic Device),采用先逐步分解,再相互结合的建模思想,即以确定逻辑节点和数据、构建逻辑设备、构建服务器的先后顺序来完成建模并利用变电站配置描述语言SCL(Substation Configuration description Language)建立 ICD(IED Capability Description)配置文件。本设计采用的是OpenIEC61850的开源代码库来支持运行整个IEC 61850和MMS服务程序。该库采用Java语言编写,面向对象的语言更符合IEC 61850面向对象的建模特点,而且具有平台无关性,能够运行在Windows、Linux等操作系统下。MMS服务器向MMS客户端上传电气数据、报警信息采用MMS的报告服务,MMS客户端向MMS服务器下发控制指令采用MMS的控制服务。为了与底层采用的Modbus协议兼容,需要在MMS服务器中进行Modbus与IEC 61850协议的相互映射转换。再次,论文对Web监控管理系统进行了较为详细的设计,对其整体功能架构、软件结构和MySQL数据库进行了设计。接着对用到的Struts 2、JDBC(Java Data Base Connectivity)、Servlet、JSP(Java Server Pages)等相关 Java Web 技术进行介绍。然后对Web监控管理系统各个管理功能的设计结果进行展示和分析。监控人员可以通过实时监测界面查看微电网系统实时的运行数据和状态,管理员可以根据发电计划通过实时控制界面下达控制指令至中央控制器。最后,论文介绍了微电网系统所采用的硬件平台和服务器平台,然后按照监控系统的启动运行步骤来对系统的MMS通信过程和监控功能进行了测试和总结分析,系统各个功能模块运行良好,满足设计要求。本论文对微电网监控和IEC 61850标准的研究和应用具有一定的参考价值。
[Abstract]:In China, power is an important energy for national economic development, and traditional power generation mode based on thermal power is not only consuming resources but also seriously polluting the environment. At the same time, the large power grid with high-voltage transmission and large-capacity centralized power generation has the problems of large operation difficulty, high operation cost and weak regulation capacity. And the micro-grid technology containing the energy storage equipment, the load and the control device can save energy, protect the environment, reduce the power generation cost and realize flexible power supply. In addition, the IEC 61850 standard is used as the standard for micro-grid communication, and different equipment of different manufacturers can be used for mutual operation and information sharing. This paper studies the micro-grid monitoring system based on IEC 61850, and realizes the real-time comprehensive monitoring of distributed power generation, energy storage and load state. Firstly, the paper designs the whole structure of the three-phase AC micro-grid system, and the central controller is connected with the hardware equipment of the micro-grid system and the monitoring system of the upper layer. The hierarchical communication structure of the micro-grid system is introduced, which is divided into the dispatching management layer, the centralized control layer and the local control layer, wherein the communication structure of the MMS + TCP + Ethernet is adopted at the dispatching management layer. The function requirement of the micro-grid monitoring system is described in this paper. A Web remote monitoring and management system based on the B/ S (Browser/ Server) mode of IEC 61850 standard MMS is designed. The main communication technologies and two Java middleware used in the system are then described. The middleware of the serial-to-Ethernet middleware and the SCADA (Remote Control and Data Acquisition) system is in communication with the MMS server and is in communication with the central controller of the bottom layer. Secondly, the object-oriented hierarchical modeling of the micro-grid system is carried out by using the IEC 61850 standard, and the central controller, which is responsible for the measurement and control, is used as an IED (Intelligent Electronic Device), which is firstly decomposed and then combined with each other, i.e., the logical node and the data are determined, and the logical device is constructed. The building server is constructed in order to complete the modeling and set up an ICD (IED Capability Description) configuration file using the substation configuration description language. This design uses the open source library of OpenIEC61850 to support the running of the entire IEC 61850 and MMS service routines. The library is written in the Java language, and the object-oriented language is more consistent with the object-oriented modeling of IEC 61850, and the library is independent of the platform and can run under the operating system such as Windows, Linux and the like. The MMS server uploads the electric data to the MMS client, the alarm information adopts the report service of the MMS, and the MMS client issues a control instruction to the MMS server to adopt the control service of the MMS. In order to be compatible with the Modbus protocol used at the bottom layer, the mutual mapping conversion of the Modbus and the IEC 61850 protocol is required in the MMS server. Thirdly, the paper designs the Web monitoring and management system in detail, and designs the whole function structure, software structure and MySQL database. Then, the related Java Web technologies such as Struts 2, JDBC (Java Data Base Connectivity), Servlet, JSP (Java Server Pages) are introduced. And then the design results of various management functions of the Web monitoring and management system are shown and analyzed. The monitoring personnel can view the real-time running data and status of the micro-grid system through the real-time monitoring interface, and the administrator can issue control instructions to the central controller through the real-time control interface according to the power generation plan. In the end, the hardware platform and the server platform used in the micro-grid system are introduced, then the MMS communication process and the monitoring function of the system are tested and summarized according to the start-up operation step of the monitoring system, and the functional modules of the system are in good operation and meet the design requirements. This paper has certain reference value to the research and application of the micro-grid monitoring and IEC 61850 standard.
【学位授予单位】：山东大学
【学位级别】：硕士
【学位授予年份】：2017
【分类号】：TP277
[Abstract]:In China, power is an important energy for national economic development, and traditional power generation mode based on thermal power is not only consuming resources but also seriously polluting the environment. At the same time, the large power grid with high-voltage transmission and large-capacity centralized power generation has the problems of large operation difficulty, high operation cost and weak regulation capacity. And the micro-grid technology containing the energy storage equipment, the load and the control device can save energy, protect the environment, reduce the power generation cost and realize flexible power supply. In addition, the IEC 61850 standard is used as the standard for micro-grid communication, and different equipment of different manufacturers can be used for mutual operation and information sharing. This paper studies the micro-grid monitoring system based on IEC 61850, and realizes the real-time comprehensive monitoring of distributed power generation, energy storage and load state. Firstly, the paper designs the whole structure of the three-phase AC micro-grid system, and the central controller is connected with the hardware equipment of the micro-grid system and the monitoring system of the upper layer. The hierarchical communication structure of the micro-grid system is introduced, which is divided into the dispatching management layer, the centralized control layer and the local control layer, wherein the communication structure of the MMS + TCP + Ethernet is adopted at the dispatching management layer. The function requirement of the micro-grid monitoring system is described in this paper. A Web remote monitoring and management system based on the B/ S (Browser/ Server) mode of IEC 61850 standard MMS is designed. The main communication technologies and two Java middleware used in the system are then described. The middleware of the serial-to-Ethernet middleware and the SCADA (Remote Control and Data Acquisition) system is in communication with the MMS server and is in communication with the central controller of the bottom layer. Secondly, the object-oriented hierarchical modeling of the micro-grid system is carried out by using the IEC 61850 standard, and the central controller, which is responsible for the measurement and control, is used as an IED (Intelligent Electronic Device), which is firstly decomposed and then combined with each other, i.e., the logical node and the data are determined, and the logical device is constructed. The building server is constructed in order to complete the modeling and set up an ICD (IED Capability Description) configuration file using the substation configuration description language. This design uses the open source library of OpenIEC61850 to support the running of the entire IEC 61850 and MMS service routines. The library is written in the Java language, and the object-oriented language is more consistent with the object-oriented modeling of IEC 61850, and the library is independent of the platform and can run under the operating system such as Windows, Linux and the like. The MMS server uploads the electric data to the MMS client, the alarm information adopts the report service of the MMS, and the MMS client issues a control instruction to the MMS server to adopt the control service of the MMS. In order to be compatible with the Modbus protocol used at the bottom layer, the mutual mapping conversion of the Modbus and the IEC 61850 protocol is required in the MMS server. Thirdly, the paper designs the Web monitoring and management system in detail, and designs the whole function structure, software structure and MySQL database. Then, the related Java Web technologies such as Struts 2, JDBC (Java Data Base Connectivity), Servlet, JSP (Java Server Pages) are introduced. And then the design results of various management functions of the Web monitoring and management system are shown and analyzed. The monitoring personnel can view the real-time running data and status of the micro-grid system through the real-time monitoring interface, and the administrator can issue control instructions to the central controller through the real-time control interface according to the power generation plan. In the end, the hardware platform and the server platform used in the micro-grid system are introduced, then the MMS communication process and the monitoring function of the system are tested and summarized according to the start-up operation step of the monitoring system, and the functional modules of the system are in good operation and meet the design requirements. This paper has certain reference value to the research and application of the micro-grid monitoring and IEC 61850 standard.
【学位授予单位】：山东大学
【学位级别】：硕士
【学位授予年份】：2017
【分类号】：TP277
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