CN101951028A - Intelligent control scheme for transformer substation auxiliary equipment - Google Patents
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Abstract
一种变电站辅助设备智能化控制方案，所述方案搭建基于一体化信息平台的变电站辅助设备智能化控制系统，将辅助系统数据统一置于信息层的一体化信息平台之中，统一处理数据并传递命令，对辅助系统设备进行统一建模，采用面向对象技术和独立于网络结构的抽象服务通信接口，在不同厂家的设备之间实现无缝连接；所述变电站辅助设备智能化控制系统采用分布式控制方式，整个系统在逻辑上分为三层，包括信息层、控制层和执行层；通过变电站一体化信息平台连接成一套系统，各种子系统自成体系，子系统间采取基于GOOSE报文的联闭锁方式，实现辅助设备的数字化智能控制。本发明方法适用于电力系统变电站的辅助设备智能化控制。
An intelligent control scheme for substation auxiliary equipment. The scheme builds an intelligent control system for substation auxiliary equipment based on an integrated information platform, uniformly places auxiliary system data in the integrated information platform of the information layer, and uniformly processes and transmits the data Commands, unified modeling of auxiliary system equipment, using object-oriented technology and abstract service communication interface independent of network structure, to achieve seamless connection between equipment from different manufacturers; the intelligent control system of substation auxiliary Control mode, the whole system is logically divided into three layers, including the information layer, control layer and execution layer; a system is connected through the substation integrated information platform, and various subsystems form their own systems, and the subsystems are based on GOOSE messages. The interlocking method realizes the digital intelligent control of auxiliary equipment. The method of the invention is suitable for intelligent control of auxiliary equipment in power system substations.
Description
技术领域technical field
本发明涉及一种用于电力系统智能变电站的辅助设备智能化控制方案，属电力信息自动化技术领域。The invention relates to an intelligent control scheme for auxiliary equipment used in an intelligent substation of a power system, and belongs to the technical field of electric power information automation.
背景技术Background technique
随着我国智能电网建设工作的开展，传统变电站作为电网的重要环节，需要进行智能化改造。在变电站智能化改造过程中，面临的最大障碍是不同厂家生产的智能电子设备，甚至是同一厂家生产的不同型号的智能电子设备由于所采用的通讯分析软件、通讯规约和数据格式等不统一造成不同种类的设备间的无法直接互联，导致需要采用额外的硬件和软件来实现智能电子设备之间的互联，针对此，在目前的变电站中利用IEC 61850标准进行对智能电子设备，甚至是变电站本身的建模，并基于此实现变电站设备之间，以及变电站与远方调度控制中心的通信，从而真正实现IEC 61850标准所提倡的互操作性以及可替换性。With the development of smart grid construction in my country, traditional substations, as an important part of the power grid, need to be intelligently transformed. In the process of intelligent transformation of substations, the biggest obstacle is the intelligent electronic equipment produced by different manufacturers, or even different types of intelligent electronic equipment produced by the same manufacturer due to the inconsistency of communication analysis software, communication protocols and data formats. Different types of equipment cannot be directly interconnected, resulting in the need to use additional hardware and software to realize the interconnection between intelligent electronic devices. In view of this, the IEC 61850 standard is used in the current substation for intelligent electronic equipment, and even the substation itself. Based on the modeling of the substation, and based on this, the communication between the substation and the remote dispatching control center is realized, so as to truly realize the interoperability and replaceability advocated by the IEC 61850 standard.
同时，随着电压等级越来越高、变电站规模越来越大，为了保证变电站的安全、稳定运行，保证对于企业、居民用电的可靠供应，在变电站内部引入了大量的辅助设备，如视频系统、灯光系统、门禁、火警消防、空调、排空排水、气象监测设备等，这一系列辅助设备的正常运行，对于变电站的正常、稳定、安全运行发挥着重要的作用。如何对辅助设备进行建模，如何保证这些设备之间的数据通信正常，以及这些设备与变电站信息平台之间数据的传递和控制命令的传达，实现辅助设备与变电站一次、二次设备之间，辅助设备与辅助设备之间的联动，成为了必须面对和解决的问题。At the same time, as the voltage level is getting higher and the scale of the substation is getting bigger and bigger, in order to ensure the safe and stable operation of the substation and ensure the reliable supply of electricity for enterprises and residents, a large number of auxiliary equipment are introduced into the substation, such as video System, lighting system, access control, fire alarm and fire protection, air conditioning, drainage, weather monitoring equipment, etc., the normal operation of this series of auxiliary equipment plays an important role in the normal, stable and safe operation of the substation. How to model the auxiliary equipment, how to ensure the normal data communication between these equipment, and the transmission of data and control commands between these equipment and the substation information platform, so as to realize the communication between the auxiliary equipment and the primary and secondary equipment of the substation, The linkage between auxiliary equipment and auxiliary equipment has become a problem that must be faced and solved.
发明内容Contents of the invention
本发明的目的是，为实现电力系统变电站的智能化改造目标，提出一种变电站辅助设备智能化控制方法。The object of the present invention is to propose an intelligent control method for substation auxiliary equipment in order to realize the intelligent transformation target of a power system substation.
本发明的技术方案是，本发明通过变电站辅助设备智能化控制系统，将辅助系统数据统一置于信息层的一体化信息平台之中，统一处理数据并传递命令，对辅助系统设备进行统一建模，采用面向对象技术和独立于网络结构的抽象服务通信接口，在不同厂家的设备之间实现无缝连接。The technical solution of the present invention is that, through the intelligent control system of substation auxiliary equipment, the present invention uniformly places auxiliary system data in the integrated information platform of the information layer, uniformly processes data and transmits commands, and uniformly models auxiliary system equipment , using object-oriented technology and an abstract service communication interface independent of the network structure, to realize seamless connection between devices from different manufacturers.
本发明采用基于IEC 61850标准的建模方式，包括逻辑建模和数据结构建模，最终完成辅助设备智能化，实现辅助设备与变电站一、二次设备之间，辅助设备与辅助设备之间的联动。The present invention adopts a modeling method based on the IEC 61850 standard, including logic modeling and data structure modeling, and finally completes the intelligentization of auxiliary equipment, and realizes the communication between auxiliary equipment and substation primary and secondary equipment, and between auxiliary equipment and auxiliary equipment. linkage.
本发明通过构建变电站辅助设备智能化控制系统来实现对变电站辅助设备的智能化控制：The present invention realizes the intelligent control of substation auxiliary equipment by building an intelligent control system for substation auxiliary equipment:
本发明基于IEC 61850标准构建的变电站辅助设备智能化控制系统在逻辑上可分为三层，包括信息层、控制层和执行层；信息层对应于一体化信息平台；控制层对应于视频灯光控制器、安防控制器、环境控制器等；执行层对应于视频系统、灯光系统、门禁、火警消防、自动气象站、空调、排空排水等。所有设备通过智能变电站特有的一体化信息平台连接成一套系统，充分体现智能变电站信息共享的优势。辅助设备智能化控制系统采用分布式控制方式，在各种子系统内完成信息采集、建模、控制功能，每个子系统自成体系，独立完成运行、维护和升级任务，预留新辅助设备控制系统接口。各子系统之间的通信采取基于IEC61850的GOOSE报文方式，实现辅助设备的联闭锁智能控制。The substation auxiliary equipment intelligent control system based on the IEC 61850 standard of the present invention can be logically divided into three layers, including the information layer, the control layer and the execution layer; the information layer corresponds to the integrated information platform; the control layer corresponds to the video lighting control Devices, security controllers, environmental controllers, etc.; the execution layer corresponds to video systems, lighting systems, access control, fire alarms, automatic weather stations, air conditioning, drainage, etc. All devices are connected into a system through the unique integrated information platform of the smart substation, which fully embodies the advantages of information sharing in the smart substation. The intelligent control system of auxiliary equipment adopts distributed control mode, and completes information collection, modeling, and control functions in various subsystems. system interface. The communication between each subsystem adopts the GOOSE message method based on IEC61850 to realize the interlocking intelligent control of auxiliary equipment.
本发明与现有技术比较的有益效果是：(1)实现了变电站辅助设备的信息集中采集和智能控制；(2)以一种统一、完善的改造方式实现了对传统变电站辅助设备的智能化改造，达到了变电站智能化改造的预期目标；(3)提高了变电站辅助设备的智能化和互动性，提出的分布式结构方便运行维护、升级改造和新辅助设备的接入。The beneficial effects of the present invention compared with the prior art are: (1) the centralized information collection and intelligent control of substation auxiliary equipment are realized; (2) the intellectualization of traditional substation auxiliary equipment is realized in a unified and perfect transformation mode The transformation has achieved the expected goal of intelligent transformation of the substation; (3) The intelligence and interaction of auxiliary equipment in the substation have been improved, and the distributed structure proposed is convenient for operation and maintenance, upgrading and access to new auxiliary equipment.
本发明方法适用于电力系统变电站的辅助设备智能化控制。The method of the invention is suitable for intelligent control of auxiliary equipment in power system substations.
附图说明Description of drawings
图1为辅助设备智能化控制系统结构示意图Figure 1 is a schematic diagram of the structure of the intelligent control system for auxiliary equipment
具体实施方式Detailed ways
本发明变电站辅助设备智能化控制方案的具体实施方式包括以下步骤：The specific implementation of the intelligent control scheme of substation auxiliary equipment of the present invention includes the following steps:
本发明实施例利用IEC 61850标准搭建基于一体化信息平台的变电站辅助设备智能化控制系统，发挥IEC 61850标准体现的互操作性、可替换性的优势，将辅助系统数据统一置于信息层的一体化信息平台之中，统一处理数据并传递命令，在本方案具体实践过程中，需要注意信息之间闭锁的条件，采用合适的动作命令生成算法，以避免不必要的误动、拒动等情况的发生。通过对辅助系统设备进行统一建模，采用面向对象技术和独立于网络结构的抽象服务通信接口，增强了设备间的互操作性，可以在不同厂家的设备之间实现无缝连接。The embodiment of the present invention utilizes the IEC 61850 standard to build an intelligent control system for substation auxiliary equipment based on an integrated information platform, takes advantage of the interoperability and replaceability embodied in the IEC 61850 standard, and places the data of the auxiliary system in an integrated information layer. In the computerized information platform, the data is processed uniformly and the commands are transmitted. In the specific practice process of this scheme, it is necessary to pay attention to the blocking conditions between the information and adopt the appropriate action command generation algorithm to avoid unnecessary misoperations and refusals. happened. Through the unified modeling of auxiliary system equipment, the use of object-oriented technology and abstract service communication interface independent of network structure, the interoperability between equipment is enhanced, and seamless connection between equipment from different manufacturers can be realized.
本发明实施例中变电站辅助设备智能化控制系统采用分布式控制方式，整个系统在逻辑上分为三层，如图1所示，包括信息层，对应于一体化信息平台；控制层，对应于视频灯光控制器、安防控制器、环境控制器等；执行层，对应于视频系统、灯光系统、门禁、火警消防、自动气象站、空调、排空排水等。通过智能变电站特有的一体化信息平台连接成一套系统，充分体现了智能变电站信息共享的优势。各种子系统自成体系，方便各自的运行、维护和升级，也便于新的辅助设备控制系统的接入。而各子系统间采取基于GOOSE报文的联闭锁方式，实现辅助设备的数字化智能控制。In the embodiment of the present invention, the intelligent control system of substation auxiliary equipment adopts a distributed control method, and the whole system is logically divided into three layers, as shown in Figure 1, including the information layer, which corresponds to the integrated information platform; the control layer, which corresponds to Video lighting controller, security controller, environmental controller, etc.; execution layer, corresponding to video system, lighting system, access control, fire alarm, automatic weather station, air conditioning, drainage, etc. The unique integrated information platform of the smart substation is connected into a system, which fully embodies the advantages of information sharing of the smart substation. Various subsystems are self-contained, which is convenient for their own operation, maintenance and upgrade, and also facilitates the access of new auxiliary equipment control systems. The interlocking mode based on GOOSE messages is adopted between each subsystem to realize digital intelligent control of auxiliary equipment.
本发明实施例对变电站辅助控制系统中的自动气象站，利用太阳能、风力发电等新能源技术，并采用电池储能来保证气象站的独立供电，摆脱了传统气象站使用站用供电的模式。另外，气象站获取的气象信息，采用无线信息通信模式传递给机房内的数据接收设备，摆脱了原有的通过RS232接口以电缆作为通信介质的传统模式，有效减少供电电缆、通信电缆的铺设造成的建设费用，同时，发挥无线通信具有的低成本、低功耗、网络容量大、安全和双向传输等优势，使得新建的站内气象站具备独立工作、可移动的能力。The embodiment of the present invention uses new energy technologies such as solar energy and wind power generation for the automatic weather station in the substation auxiliary control system, and uses battery energy storage to ensure the independent power supply of the weather station, which breaks away from the traditional weather station using station power supply mode. In addition, the meteorological information obtained by the weather station is transmitted to the data receiving equipment in the computer room in the wireless information communication mode, getting rid of the original traditional mode of using cables as the communication medium through the RS232 interface, and effectively reducing the laying of power supply cables and communication cables. At the same time, the advantages of wireless communication, such as low cost, low power consumption, large network capacity, security and two-way transmission, are used to make the newly built weather station in the station have the ability to work independently and move.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102255385A (en) * | 2011-05-18 | 2011-11-23 | 山东电力集团公司烟台供电公司 | Fire protection, perimeter protection and video monitoring linkage system for unattended transformer substation |
| CN102545387A (en) * | 2012-01-20 | 2012-07-04 | 中国电力科学研究院 | Integrated information platform of intelligent substation |
| CN102611194A (en) * | 2011-01-25 | 2012-07-25 | 华北电网有限公司 | Control method, device and system of power system |
| CN102749902A (en) * | 2012-07-04 | 2012-10-24 | 江苏省电力公司扬州供电公司 | Integrated intelligent information monitoring platform of power distribution system in residential district |
| CN103281319A (en) * | 2013-05-24 | 2013-09-04 | 国家电网公司 | Intelligent transformer substation video monitoring linked function information model abiding by IEC61850 |
| CN103986228A (en) * | 2014-05-07 | 2014-08-13 | 江苏宁克传感器科技有限公司 | Intelligent electricity control system |
| CN104125693A (en) * | 2014-08-12 | 2014-10-29 | 国网重庆市电力公司 | Substation lighting control system and its control method |
| CN108062083A (en) * | 2018-01-02 | 2018-05-22 | 杭州电子科技大学 | A kind of nobody autonomous feeding of manufacturing industry detects and sorting system and its control technique |
| CN110827521A (en) * | 2019-11-20 | 2020-02-21 | 云南电网有限责任公司电力科学研究院 | Alarm system and method based on emergency alarm function power distribution cabinet |
| CN114172028A (en) * | 2021-11-05 | 2022-03-11 | 江苏大学 | A scalable hierarchical control architecture and implementation method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101127456A (en) * | 2007-07-27 | 2008-02-20 | 深圳市泰昂电子技术有限公司 | Intelligent management system for transformer substation assisted devices |
| CN101458505A (en) * | 2008-12-17 | 2009-06-17 | 国电南京自动化股份有限公司 | Full-station anti-mistaking closedown design method based on IEC61850 standard |
| CN201289966Y (en) * | 2008-11-14 | 2009-08-12 | 宁夏电力公司吴忠供电局 | Synthesis monitoring terminal of maintenance facility for transforming plant |
| CN201504290U (en) * | 2009-10-23 | 2010-06-09 | 江西省电力科学研究院 | Substation intelligent video control device |
| CN101783530A (en) * | 2010-02-22 | 2010-07-21 | 江苏省电力公司无锡供电公司 | Intelligent monitoring and auxiliary control system for transformer substation based on Internet of things |
| CN101789624A (en) * | 2009-12-09 | 2010-07-28 | 中国电力科学研究院 | Centralized digital transformer substation system |
-
2010
- 2010-09-01 CN CN2010102694324A patent/CN101951028A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101127456A (en) * | 2007-07-27 | 2008-02-20 | 深圳市泰昂电子技术有限公司 | Intelligent management system for transformer substation assisted devices |
| CN201289966Y (en) * | 2008-11-14 | 2009-08-12 | 宁夏电力公司吴忠供电局 | Synthesis monitoring terminal of maintenance facility for transforming plant |
| CN101458505A (en) * | 2008-12-17 | 2009-06-17 | 国电南京自动化股份有限公司 | Full-station anti-mistaking closedown design method based on IEC61850 standard |
| CN201504290U (en) * | 2009-10-23 | 2010-06-09 | 江西省电力科学研究院 | Substation intelligent video control device |
| CN101789624A (en) * | 2009-12-09 | 2010-07-28 | 中国电力科学研究院 | Centralized digital transformer substation system |
| CN101783530A (en) * | 2010-02-22 | 2010-07-21 | 江苏省电力公司无锡供电公司 | Intelligent monitoring and auxiliary control system for transformer substation based on Internet of things |
Non-Patent Citations (2)
| Title |
|---|
| 《华东电力》 20100430 曹春平 等 500kV静安地下变电站辅助控制系统功能与特点 第479-484页 1 第38卷, 第4期 * |
| 张虹: "基于一体化信息平台的数字化变电站", 《电工技术》 * |
Cited By (14)
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| CN102611194A (en) * | 2011-01-25 | 2012-07-25 | 华北电网有限公司 | Control method, device and system of power system |
| CN102255385A (en) * | 2011-05-18 | 2011-11-23 | 山东电力集团公司烟台供电公司 | Fire protection, perimeter protection and video monitoring linkage system for unattended transformer substation |
| CN102255385B (en) * | 2011-05-18 | 2013-07-24 | 国家电网公司 | Fire protection, perimeter protection and video monitoring linkage system for unattended transformer substation |
| CN102545387B (en) * | 2012-01-20 | 2014-06-04 | 中国电力科学研究院 | Integrated information platform of intelligent substation |
| CN102545387A (en) * | 2012-01-20 | 2012-07-04 | 中国电力科学研究院 | Integrated information platform of intelligent substation |
| CN102749902A (en) * | 2012-07-04 | 2012-10-24 | 江苏省电力公司扬州供电公司 | Integrated intelligent information monitoring platform of power distribution system in residential district |
| CN103281319A (en) * | 2013-05-24 | 2013-09-04 | 国家电网公司 | Intelligent transformer substation video monitoring linked function information model abiding by IEC61850 |
| CN103986228A (en) * | 2014-05-07 | 2014-08-13 | 江苏宁克传感器科技有限公司 | Intelligent electricity control system |
| CN104125693A (en) * | 2014-08-12 | 2014-10-29 | 国网重庆市电力公司 | Substation lighting control system and its control method |
| CN104125693B (en) * | 2014-08-12 | 2016-04-06 | 国网重庆市电力公司 | The control method of transformer station's lamp light control system |
| CN108062083A (en) * | 2018-01-02 | 2018-05-22 | 杭州电子科技大学 | A kind of nobody autonomous feeding of manufacturing industry detects and sorting system and its control technique |
| CN108062083B (en) * | 2018-01-02 | 2024-03-22 | 杭州电子科技大学 | Unmanned automatic feeding detection and sorting system for manufacturing industry and control process thereof |
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