CN105186685B - Electrical power distribution automatization system based on GPRS communications - Google Patents
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- 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
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- 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
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- Y04S40/126—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 characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
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Abstract
本发明涉及一种基于GPRS通信的配电自动化系统。该系统包括主站层、子站层和终端层，主站层是配电网综合监控平台，该平台对传上来的数据进行存储、读取和集中处理、分析，并根据分析结果对终端设备进行远程实时监控。终端不仅有FTU、DTU、TTU等终端装置还有SF6气体检测器，其中，FTU、DTU、TTU和SF6气体检测器均设有监控子系统，既可以对终端装置采集到的电压、电流、负荷、故障信息、SF6气体信息等数据进行预处理，根据数据分析情况控制终端装置，又可以将主站的控制命令下发至远方控制终端，实现对线路的远方监测和控制。该系统各层之间采用GPRS通信，安全高效，充分利用资源，很好的实现了配电网就地监控和远程监控。
The invention relates to a distribution automation system based on GPRS communication. The system includes the master station layer, sub-station layer and terminal layer. The master station layer is a distribution network comprehensive monitoring platform. Carry out remote real-time monitoring. Terminals include not only FTU, DTU, TTU and other terminal devices, but also SF6 gas detectors. Among them, FTU, DTU, TTU and SF6 gas detectors are all equipped with monitoring subsystems, which can monitor the voltage, current, and load collected by the terminal devices. , fault information, SF6 gas information and other data are preprocessed, and the terminal device is controlled according to the data analysis, and the control command of the master station can be sent to the remote control terminal to realize the remote monitoring and control of the line. The system uses GPRS communication between layers, which is safe and efficient, fully utilizes resources, and realizes local monitoring and remote monitoring of the distribution network.
Description
技术领域technical field
本发明属于配电自动化领域，具体为一种基于GPRS通信的配电自动化系统。The invention belongs to the field of distribution automation, in particular to a distribution automation system based on GPRS communication.
背景技术Background technique
配电自动化系统是利用现代电子、计算机、通信及网络技术，将配电网在线数据和The distribution automation system uses modern electronics, computers, communications and network technologies to integrate online data and
离线数据、配电网数据和用户数据、电网结构和地理图形进行信息集成，从而构成完整的自动化系统，实现配电网及其设备正常运行及事故状态下的检测、保护和控制。Offline data, distribution network data and user data, power grid structure and geographic graphics are integrated to form a complete automation system, which realizes the detection, protection and control of distribution network and its equipment in normal operation and accident state.
传统的配电自动化系统，馈线监控终端依据局部信息对线路故障进行判断，同时采用多次重合闸的方式，对线路进行多次通断，会造成非故障线路的停电，也会对电网设备造成冲击。管理系统采用集中式的控制方式，容易造成大面积停电。In the traditional distribution automation system, the feeder monitoring terminal judges the line fault based on local information, and at the same time adopts the method of multiple reclosing to switch the line multiple times, which will cause a power outage of the non-faulty line and cause damage to the grid equipment. shock. The management system adopts a centralized control method, which is likely to cause large-scale power outages.
现有的电力供配电系统，虽然在传统的供配电系统基础上作了改进，但仍存在一些问题，例如：对于农村、偏远山区，其各配电结点位置广而分散，某些远程数据不能及时的传送给远程监控中心，这会给整个系统的配电监控带来影响，甚至会由于消息滞后而造成严重后果；而且对于现有的电力供配电系统，数据采集之后直接传输给远程监控中心，再由远程监控中心统一分析后对终端进行控制，这样不仅会造成操作上的麻烦，而且控制方式过于单一，无法实现实时、就地的操作控制。Although the existing power supply and distribution system has been improved on the basis of the traditional power supply and distribution system, there are still some problems. Remote data cannot be transmitted to the remote monitoring center in time, which will affect the power distribution monitoring of the entire system, and even cause serious consequences due to message lag; and for the existing power supply and distribution system, the data is directly transmitted after collection To the remote monitoring center, and then the remote monitoring center will control the terminal after a unified analysis. This will not only cause trouble in operation, but also the control method is too simple to realize real-time and local operation control.
基于GPRS通信的配电自动化系统，是充分利用不同馈线监控终端检测到的信息进行分布式控制，通过协作的方式来完成配电网在故障情况下的继电保护功能。通过采用GPRS通信来实现这一技术，是充分利用已有的移动等通信运营商提供的网络资源，节省了成本，而且此网络覆盖范围很广，维护方便。采用GPRS技术手段，可以实现各不同馈线监控终端之间的协作，快速、准确地对配电网线路和设备进行实时的分布式控制。通过通信方式共享其他馈线监控终端的信息，使得馈线监控终端对故障的信息可以把握的更全面可靠，故障定位和故障判断更准确。采用GPRS可实现配电网线路在正常运行状态和故障状态下的实时有效的监控。The distribution automation system based on GPRS communication makes full use of the information detected by different feeder monitoring terminals for distributed control, and completes the relay protection function of the distribution network under fault conditions through cooperation. Realizing this technology by using GPRS communication is to make full use of the network resources provided by existing mobile and other communication operators, saving costs, and this network covers a wide range and is easy to maintain. Using GPRS technology, it can realize the cooperation between different feeder monitoring terminals, and quickly and accurately carry out real-time distributed control of distribution network lines and equipment. Share the information of other feeder monitoring terminals through communication, so that the feeder monitoring terminal can grasp the fault information more comprehensively and reliably, and the fault location and fault judgment are more accurate. Using GPRS can realize real-time and effective monitoring of distribution network lines in normal operation state and fault state.
现有的GPRS系统只监测了FTU等部分开关，未能包括其他的终端装置，如综合变电站等。另一方面：有些场所既需要通过GPRS的远程终端监控，也需要现场的集中监控。现有系统无法满足。The existing GPRS system only monitors some switches such as FTU, and fails to include other terminal devices, such as integrated substations. On the other hand: Some places need both remote terminal monitoring through GPRS and centralized monitoring on site. Existing systems are not sufficient.
发明内容Contents of the invention
本发明的目的在于提出一种基于GPRS通信的配电自动化系统，旨在解决现有技术中配电自动化系统无法涵盖各种终端设备，以及无法同时实现现场集中控制和远程监控的问题。The purpose of the present invention is to propose a distribution automation system based on GPRS communication, aiming to solve the problem that the distribution automation system in the prior art cannot cover various terminal equipment, and cannot simultaneously realize on-site centralized control and remote monitoring.
本发明是通过以下技术方案实现的：The present invention is achieved through the following technical solutions:
一种基于GPRS通信的配电自动化系统，包括主站层、子站层和终端层，A distribution automation system based on GPRS communication, including master station layer, substation layer and terminal layer,
所述主站层为配电网综合监控平台；The master station layer is a distribution network comprehensive monitoring platform;
所述终端层为远程终端装置，所述远程终端装置包括FTU、DTU、TTU和SF6气体检测器等；The terminal layer is a remote terminal device, and the remote terminal device includes FTU, DTU, TTU and SF6 gas detectors, etc.;
所述子站层为监控子系统，实时远程终端层，并与主站层进行通信。The sub-station layer is a monitoring subsystem, a real-time remote terminal layer, and communicates with the main station layer.
其中：远程终端装置与监控子系统进行双向通信，监控子系统再通过GPRS与配电网综合监控平台进行双向通信，或远程终端装置通过GPRS直接与配电网综合监控平台进行通信。。Among them: the remote terminal device communicates with the monitoring subsystem in two directions, and the monitoring subsystem communicates with the distribution network comprehensive monitoring platform through GPRS, or the remote terminal device directly communicates with the distribution network comprehensive monitoring platform through GPRS. .
本发明中，远程终端装置用于采集电压、电流、有功功率、无功功率、SF6气体泄漏检测报警、火灾报警等信息。In the present invention, the remote terminal device is used to collect information such as voltage, current, active power, reactive power, SF6 gas leakage detection alarm, fire alarm and the like.
本发明中，远程终端装置采集到的数据可以传输给监控子系统，监控子系统实现对终端数据的集中监控显示，远程终端装置同监控子系统的通讯方式为GPRS或RS485。In the present invention, the data collected by the remote terminal device can be transmitted to the monitoring subsystem, and the monitoring subsystem realizes centralized monitoring and display of terminal data, and the communication mode between the remote terminal device and the monitoring subsystem is GPRS or RS485.
本发明中，远程终端装置的FTU和DTU具有遥信功能，对开关状态信号、压力信号、保护动作和异常信号等状态信号进行实时监测。In the present invention, the FTU and DTU of the remote terminal device have a remote signaling function, and can monitor status signals such as switch status signals, pressure signals, protection actions, and abnormal signals in real time.
本发明中，远程终端装置的FTU和DTU具有遥控功能，其接受配电网综合监控平台的控制命令，对开关进行远程控制。In the present invention, the FTU and DTU of the remote terminal device have a remote control function, and they receive control commands from the distribution network comprehensive monitoring platform to remotely control the switch.
本发明的有益效果在于：本发明充分利用了GPRS的以下技术优势：1)资源利用率高；2)传输速率高；3)接入时间短；4)支持IP协议和X. 25协议，推动移动和数据网络的融合；5）广域覆盖；6）永远在线。整个系统使用GPRS进行通信，安全高效，远程传输速率快，很好的解决了某些远程数据不能及时的传送给监控系统的问题。 The beneficial effects of the present invention are: the present invention has fully utilized the following technical advantages of GPRS: 1) resource utilization rate is high; 2) transmission rate is high; 3) access time is short; 4) support IP agreement and X.25 agreement, promote Convergence of mobile and data networks; 5) wide area coverage; 6) always online. The whole system uses GPRS for communication, which is safe and efficient, and the remote transmission rate is fast, which solves the problem that some remote data cannot be transmitted to the monitoring system in time.
附图说明Description of drawings
图1为本发明的配电自动化系统结构示意图。Fig. 1 is a schematic structural diagram of the distribution automation system of the present invention.
图2为本发明的终端装置直接与监控平台通信的示意图。Fig. 2 is a schematic diagram of the terminal device of the present invention communicating directly with the monitoring platform.
图中标号：１为配电网综合监控平台，２为监控子系统，３为FTU,４为DTU,5为TTU，６为馈线开关，７为环网柜，８为配电变压器，９为SF６气体检测器,10为GPRS,11为远程终端装置，１２为基站，１３为中心GPRS模块。Numbers in the figure: 1 is distribution network comprehensive monitoring platform, 2 is monitoring subsystem, 3 is FTU, 4 is DTU, 5 is TTU, 6 is feeder switch, 7 is ring main unit, 8 is distribution transformer, 9 is For the SF6 gas detector, 10 is GPRS, 11 is a remote terminal device, 12 is a base station, and 13 is a central GPRS module.
具体实施方式Detailed ways
为了使本发明的目的、技术方案及优点更加清楚明白，以下结合实施例，对本发明进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本发明，但并不限定本发明。In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the examples. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention.
以下结合附图1-2详细说明一种基于GPRS通信的配电自动化系统。A power distribution automation system based on GPRS communication will be described in detail below in conjunction with accompanying drawings 1-2.
如图1所示，一种基于GPRS通信的配电自动化系统包括主站层、子站层和终端层。As shown in Figure 1, a distribution automation system based on GPRS communication includes the main station layer, sub-station layer and terminal layer.
主站层为配电网综合监控平台1。它用来监控整个配电网络，配电网综合监控平台1通常采用系统监控软件来实现人机交互操作，完成对整个配电网络的管理。系统主站一方面接收来自监控子站的信息，并根据需要对这些信息进行处理；另一方面也会下达指令给监控子站，以实现监控和治理整个配电网络的运行。The main station layer is the distribution network comprehensive monitoring platform 1. It is used to monitor the entire power distribution network. The distribution network integrated monitoring platform 1 usually uses system monitoring software to realize human-computer interaction and complete the management of the entire power distribution network. On the one hand, the main station of the system receives information from the monitoring sub-station and processes the information as needed; on the other hand, it also issues instructions to the monitoring sub-station to monitor and manage the operation of the entire power distribution network.
子站层主要由多个监控子系统2组成，每个监控子系统2作为对某个配电网子区域的监控中心，负责监控远程终端装置11。监控子系统2之间可以进行通信，实现对不同区域监控信息的共享和交互。同时监控子系统2可以作为具有一定自治和管理功能的监控中心，在所属的馈线网络范围里与智能远程终端装置11或者与其他监控子系统2互相协作，使馈线自动化的功能得以实现。The substation layer is mainly composed of multiple monitoring subsystems 2 , and each monitoring subsystem 2 serves as a monitoring center for a sub-area of the distribution network and is responsible for monitoring the remote terminal device 11 . The monitoring subsystems 2 can communicate with each other to realize the sharing and interaction of monitoring information in different areas. At the same time, the monitoring subsystem 2 can be used as a monitoring center with certain autonomy and management functions, and cooperate with the intelligent remote terminal device 11 or other monitoring subsystems 2 within the scope of the feeder network to realize the feeder automation function.
终端层主要是远程终端单元（DTU）4、馈线终端单元（FTU）3、配电变压器监测终端（TTU）5以及SF6气体检测器9等远程终端装置组成，主要用来对一次设备进行监视和控制，实现对馈电线路的实时监测和执行故障保护动作。The terminal layer is mainly composed of remote terminal units (DTU) 4, feeder terminal unit (FTU) 3, distribution transformer monitoring terminal (TTU) 5 and SF6 gas detector 9 and other remote terminal devices, which are mainly used to monitor and control primary equipment Control to realize real-time monitoring of feeder lines and implementation of fault protection actions.
远程终端装置11用于采集电压、电流、有功功率、无功功率、开关位置、SF6气体泄漏检测报警、火灾报警等信息，通过GPRS10传送给监控子系统2，监控子系统2再通过GPRS10传送给配电网综合监控平台1，配电网综合监控平台1将传输上来的数据进行整理分析，根据分析结果下达控制指令，控制指令被传输给监控子系统2，由监控子系统2控制远程终端装置11的动作，及时去除故障。The remote terminal device 11 is used to collect information such as voltage, current, active power, reactive power, switch position, SF6 gas leakage detection alarm, fire alarm, etc., and transmits to the monitoring subsystem 2 through GPRS10, and the monitoring subsystem 2 transmits to the monitoring subsystem through GPRS10. The distribution network comprehensive monitoring platform 1, the distribution network comprehensive monitoring platform 1 organizes and analyzes the transmitted data, and issues control instructions according to the analysis results, and the control instructions are transmitted to the monitoring subsystem 2, and the monitoring subsystem 2 controls the remote terminal device 11 actions to remove the fault in time.
当然，远程终端装置11采集到的电压、电流、有功功率、无功功率、开关位置、SF6气体泄漏检测报警、火灾报警等信息，也可以利用路边基站12，通过GPRS10直接传输给配电网综合监控平台1，配电网综合监控平台1直接控制远程终端装置11动作，及时去除故障。Of course, information such as voltage, current, active power, reactive power, switch position, SF6 gas leakage detection alarm, fire alarm and other information collected by the remote terminal device 11 can also be directly transmitted to the distribution network through the roadside base station 12 through GPRS10 The comprehensive monitoring platform 1, the distribution network comprehensive monitoring platform 1 directly controls the action of the remote terminal device 11, and removes the fault in time.
显然，上述实施例仅仅是为清楚地说明所作的举例，而并非对实施方式的限定。对于所属领域的普通技术人员来说，在上述说明的基础上还可以做出其它不同形式的变化或变动。这里无需也无法对所有的实施方式予以穷举。而由此所引伸出的显而易见的变化或变动仍处于本发明创造的保护范围之中。Apparently, the above-mentioned embodiments are only examples for clear description, rather than limiting the implementation. For those of ordinary skill in the art, other changes or changes in different forms can be made on the basis of the above description. It is not necessary and impossible to exhaustively list all the implementation manners here. And the obvious changes or changes derived therefrom are still within the scope of protection of the present invention.
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| CN106208381A (en) * | 2016-08-25 | 2016-12-07 | 成都汉度科技有限公司 | A kind of intelligent network distribution equipment monitoring system |
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