概述 Overview

GD-9000 电力监控系统是以计算机为基础的生产过程与调度自动化系统，可以对现场的微机保护装置、数显电力仪表、智能操控装置、开关状态指示仪、无线测温装置进行监视和控制、以实现数据采集、设备测量、参数调节以及各类信号报警等各项功能、采用客户机、服务器模式、dataserver( 数据服务器) 是整个系统的应用服务器、完成通讯管理、数据采集、数据存储、数据转发等关键任务HIM( 人机接口软件)Sysedyt( 系统组态软件)picedit( 图片组态软件)、Ctiedit( 控制组态软件) 是整个系统的应用级客户服务器与客户机通过hernetwork(TCP/IP) 网络链接，这种设计使系统具有很强的扩展性，微机保护装置后台监控系统可以配置成从单节点到多个节点不同规模的网络，在厂站几级构成各工作站之间能共享信息的高速局域网络、在系统级构成不同地理跨度的广域网、远程诊断、远程维护系统！

The GD-9000 power monitoring system is a computer-based production process and scheduling automation system that can monitor and control onsite microcomputer protection devices, digital power instruments, intelligent control devices, switch status indicators, wireless temperature measurement devices, to achieve various functions such as data acquisition, equipment measurement, parameter adjustment, and various signal alarms. It adopts client server mode The data server is the application server of the entire system, responsible for communication management, data collection, data storage, data forwarding, and other key tasks. HIM (human-machine interface software), Sysedyt (system configuration software), Picedit (image configuration software), and Ctiedit (control configuration software) are the application level client servers and clients of the entire system connected through the HERnetwork (TCP/IP) network. This design makes the system highly scalable. The microcomputer protection device backend monitoring system can be configured as a network of different scales from a single node to multiple nodes, forming a high-speed local area network that can share information between workstations at several levels of the factory and station, a wide area network with different geographical spans at the system level, remote diagnosis, and remote maintenance systems!

系统方案介绍 Introduction to System Solutions

典型拓补结构

据低压开关站电力监控后台系统的具体特点，我们提出具有针对性的系统设计，典型系统结构拓扑图如下：

Typical topology structure

Based on the specific characteristics of the low-voltage switch station power monitoring backend system, we propose a targeted system design. The typical system structure topology diagram is as follows:

系统方案介绍 Introduction to System Solutions

系统分为四层，第一层为设备层，包含：电力仪器仪表，微机继电保护，光伏逆变器，智能开关，故障及录波设备，温度巡检设备，直流屏等。

第二层为采集层，通过前置通信管理机，将本区域的设备通过通信接口和协议进行数据的采集和传输，通过标准的以太网接口向上一层传输数据。

第三层为传输层，通过交换机组建网络，将各个区域的采集设备，通过网络实现数据的传输，常见的有星形网，环网等，链路介质有双绞线和光纤，双绞线只能组建200 米以内的区域网络，而光纤则不受距离限制，是可以组建复杂，长距离的传输层网络介质。

第四层为展示层，通过监控软件，提供图形化的呈现效果，将系统的运行数据进行图形展示，除展示之外，还提供故障信息采集，故障再现，历史数据，波形分析，运行日志，操作管理等功能。除监控中心，还通过WEB，手机APP 等方式向管理人员提供实时和数据展现。

The system is divided into four layers, with the first layer being the equipment layer, which includes: power instruments and meters, microcomputer relay protection, photovoltaic inverters, intelligent switches, fault and waveform recording equipment, temperature inspection equipment, DC screens, etc.

The second layer is the collection layer, which collects and transmits data from devices in this area through communication interfaces and protocols through a front-end communication management machine, and transmits data to the upper layer through a standard Ethernet interface.

The third layer is the transport layer, which forms a network through switches to transmit data from collection devices in various areas through the network. Common types include star networks, ring networks, etc. Link media include twisted pair cables and optical fibers. Twisted pair cables can only form regional networks within 200 meters, while optical fibers are not limited by distance and can form complex, long-distance transport layer network media.

The fourth layer is the display layer, which provides graphical presentation effects through monitoring software to display the system's operating data. In addition to display, it also provides functions such as fault information collection, fault reproduction, historical data, waveform analysis, operation logs, and operation management. In addition to the monitoring center, real-time and data display is also provided to management personnel through WEB, mobile APP and other means.

物理系统结构

典型的系统实施结构如下图所示：

Physical System Structure

The typical system implementation structure is shown in the following figure:

上图即为一个典型的系统物理结构，变电所内部设备通过RS485 网络到通信箱，通信箱内置通信管理机和UPS 电源等，将本地数据进行采集，通过通信箱的交换机与各个区域组成光纤环网，中控室则安装监控软件系统。

The above figure shows a typical physical structure of the system. The internal equipment of the substation is connected to the communication box through the RS485 network. The communication box is equipped with a communication management machine and UPS power supply to collect local data. Through the switch of the communication box, it forms a fiber optic ring network with various areas. The central control room is equipped with a monitoring software system.