| With the rapidly development of social-economy and technology, especially automation and computer technology. The demand for transmission and distribution aspects of the important nodes, substation automation ,is increasing. As an important method for automated management automation control system has changed to the "three remote" or even "four remote" as one of the automated monitoring system ,from the initial simple control.Substation monitoring system is for the features of power user, combined with industrial control, security management, and digital video, made use of power existing network resources, design a set of remote control, telemetry, remote, environmental and power monitoring system of multi-functional subsystems the network in a comprehensive monitoring system. Providing strong technical support. for grid management automation, networking, digital, intelligent direction.Substation monitoring system in the substation operation and management system of production has an important position, to satisfied the current requirements of the construction of smart grid, using a real-time database of economic and practical, safe, reliable , to build a technologically advanced, scalable, user-friendly substation monitoring system, not only to meet the high standard requirements, but also a prerequisite factor for the stable and secure functioning substation. The paper is aimed at the development of the current status of substation monitoring system and the substation with the actual situation of some of the practical work in the examples described substation monitoring system architecture for building some of the ideas, exploring a new structure for substation control system model. Playing a reference role on substation construction and operation of the monitoring system.This paper reviews the past several substation monitoring system ,talk about the substation control system theory, methods and techniques combined with the implementation of the Tsagaan Nur substation monitoring system transformation, detailed substation implementation of monitoring systems theory, method and implementation.In this paper, the substation monitoring system using hierarchical, distributed automation control system. The entire system is divided into layers and the spacing layer.First, station control is the centre for the whole layer of the monitoring, to measure, control, management, center, collection of equipment collected by the bay level digital, analog and power measurement information and control commands issued to the field by the bay level, through the remote station via dedicated remote access and scheduling for remote data communications terminal. Major equipment includes an operator workstation, remote workstation, GPS clock, audio alarm system.Second, a variety of real-time information collected bay level, monitoring and control of an interval operation of equipment, automatic coordination of local operations and station control layer of the operating requirements to ensure the safe operation of equipment. With local / remote switch, in the situation of the control station layer and network failure situations, can still complete the interval level independent monitoring and protection. Bay level equipment at the station a device configured interval, the interval of equipment is relatively independent communications network only communicate with each other through the station. Protective and monitoring equipment consists of interval integration unit, protection unit, integrated monitoring and control unit, field network equipment components.Finally ,combined with the Qagan Nur substation project example, introduces the situation of the usage in the field of substation monitoring system . |
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