加工定制是	品牌济柴
型号152156	产品名称济柴
适用范围发电

在变电站归纳自动化体系中，数据通讯是一个非常重要的环节。它包含两方面：变电站和调度或集控中心间的通讯以及归纳自动化体系内部各子体系或各种功用模块之间的通讯。正是因为通讯，完成了信息交流和信息同享，才把各子体系紧密联系在一起完成了归纳自动化，减少了变电站设备的重复装备，简化了设备之间的衔接，供给了传统变电站二次设备所不能供给的功用。
data communication is a very important link in inductive automation system of substation. it includes two aspects: communication between substation and dispatching center or centralized control center, and communication between subsystems or functional modules in inductive automation system. it is precisely because of communication, the completion of information exchange and information sharing, so that the subsystems are closely linked together to complete the induction automation, reduce the repetitive equipment of the substation equipment, simplify the connection between the equipment, and supply the function that the two equipment of the traditional substation can&＃39;t supply.
(1)归纳自动化体系与调度或集控中心的通讯。归纳自动化体系具有与调度或集控中心通讯的功用，能够把变电站丈量的模拟量、电能量、状况信息等传送到调度或集控中心，这些信息由变电站和调度或集控中心共用。变电站不只要向调度或集控中心发送丈量和监视信息，并且要接纳调度或集控中心从体系范围内考虑电能质量、潮流和安稳操控等要素而下达的数据和操控指令，例如断路器操作、在线修正维护定值、呼唤实时运转参数等指令。通讯规约有必要契合部颁的规则，常选用polling和cdt两类规约。
(1) summarize the communication between automation system and dispatching center or centralized control center. the inductive automation system has the function of communication with the dispatching center and the centralized control center. it can transmit the analog, electrical energy, and condition information of the substation measurement to the scheduling or centralized control center, which are shared by the substation and the dispatching center. the substation does not only send the measurement and monitoring information to the scheduling or the centralized control center, but also accepts the data and control instructions, such as the operation of the circuit breaker, the online correction and maintenance, the call for the real-time operation parameters, and the control center, which takes into account the elements of power quality, power flow and stable control from the system range. . it is necessary for the communication protocol to comply with the rules issued by the ministry, and the two kinds of statute of polling and cdt are often chosen.
(2)归纳自动化体系内部的通讯。关于分层结构的自动化体系，体系内部的通讯包含一次设备和间隔层间的信息交流、间隔层内部的信息交流、间隔层间的通讯、间隔层和变电站层的通讯、变电站层的内部通讯。通讯方法有多种，例如串行通讯、并行通讯、局域网络和现场总线等。
(2) to sum up the communication within the automation system. with regard to the automation system of layered structure, the communication within the system consists of information exchange between equipment and interval layer, information exchange within interval layer, communication between interval layers, communication between interlayer and substation layer, and internal communication of substation layer. there are many communication methods, such as serial communication, parallel communication, local area network and fieldbus.
因为数据通讯在归纳自动化体系中的重要性，有必要要有一个经济、牢靠、能够及时传输实时运转信息和操控信息的数据通讯子体系。
because of the importance of data communication in the inductive automation system, it is necessary to have a data communication subsystem that is economical, reliable, and can transmit the real-time operation information and control information in time.
归纳自动化体系的功用跟着技术水平的前进和变电站运转与管理水平的提高，将得到不断地完善。
the function of inductive automation system will be perfected continuously along with the advancement of technology and the improvement of substation operation and management level.
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济南济柴环能燃气发电设备有限公司
李先生
15689730223
山东 济南 天桥区