Shanghai xinmin light rail control center electric power monitoring and control system

Abstract: Shanghai xinmin light rail control center electric power monitoring and control system of information produced by excellent flow meter, flow meter manufacturer to offer you the quotation. One, the introduction with the rapid development of national economy in our country, the development of urban transportation has become the focus of city construction in our country, our country nearly 15 cities in 15 planning to make significant development and the construction of rail transit, currently under construction are mainly in Shanghai. More flow meter manufacturers choose model price quote you are welcome to inquire, here is a light rail control center Shanghai xinmin electric power monitoring and control system for the article details. One, the introduction with the rapid development of national economy in our country, the development of urban transportation has become the focus of city construction in our country, our country nearly 15 cities in 15 planning to make significant development and the construction of rail transit, currently under construction are mainly Shanghai, Beijing, tianjin, guangzhou, shenzhen, nanjing and other cities. Only in Shanghai, for example, by the year 2005 will be put into operation of rail transit lines has nine, in Shanghai rail transit construction plan of the communist party of China contains 17 lines, 780 km. Xinhua company through technology and market research, demonstration, since 2000 the railway traffic region ( Including large railway) Automation as the company core business of a new development direction. Xinhua company participated in the 2001 Shanghai rail transit line 5, Xinmin light rail line) The electric power monitoring and control system ( Including substation automation) Bids, and with two * at the winning technology and business, and rail transit in Shanghai metro line 1 north in the period of bid winning. Xinhua company in 2001 in the localization of the three rail transit lines in Shanghai in two standard. At present, xinhua company of Shanghai rail transit line 5, Xinmin light rail line) Electric power monitoring and control system of SCADA system has been launched into operation. 1 Shanghai xinmin light rail traffic engineering electric power monitoring and control system engineering general situation of xinmin light rail transit line engineering since the metro line 1 to minhang xinzhuang station south star road, total length of 17. 4 kilometers, with the exception of xinzhuang station line ( About 0. 41 kilometers) Are elevated line for ground wire. A total station, there are 11 1 yard. Engineering electric power supply section along 18 substation: xinzhuang station traction substation, xinzhuang station step-down substation, xincheng station step-down substation, silver city road traction, step-down substation, xu bridge station mixed traction, step-down substation, north station step-down substation, yard JianChuan road traction, mixed step-down substation, JianChuan road station step-down substation, JianChuan road station step-down substation, dongchuan road traction, step-down substation, mixed gold peace rd station step-down substation, huaning road traction box-type substation, huaning road station step-down substation, wenjing road station, step-down substation, star road station step-down substation, control center set a step-down substation, in JianChuan road station have a 110/35/10 kv substation, in silver road station, both have a 35/35 kv substation main. Shanghai xinmin LRT power monitoring system of SCADA system is the central electric power monitoring and control system by the control center and is located in the substation integrated automation system of each substation and its communication channel of three parts, the center for electric power monitoring and control system for the above 18 electric substation and catenary isolating switch for real-time monitoring, implementation of substation automation control management. 2. 2 control center electric power monitoring and control system architecture of Shanghai xinmin light rail traffic engineering electric power monitoring and control system center control system configuration as shown in the figure below: its main features include: A) System network using the 10/100 m double speed adaptive CISCO switches. The main scheme configuration double redundancy, each network USES a CISCO3548 switches, 48 computer support access. CISCO3500 series switches with up to 10. 8 g of exchange capacity, providing a credible guarantee for non-blocking data flow. In addition, the series of switches with gigabit fiber on the extension ability, leave room for future high-level network interconnection. B） Control center system server and disk array chose Compaq products, and USES the high performance, safe and reliable, no downtime of Unix support platform. Database server with two Unix server to add a disk array, by CompaqTruCluster machine sharing software to realize two servers Shared access to arbitration of disk array and switch. Configuration of the disk in the disk array configuration scheme using RAID5, RAID5 offers a cost-effective data security solutions for this system of COMPAQ Alpha server, COMPAQ RA series disk array, and TruCluster double machine sharing software form COMPAQ database server of a complete set of all the hardware and software, a double machine sharing the complete solution. C) Data acquisition adopts industrial computer and zui new switching of two type terminal server, follow zui new technology development. Double machine switch mode, based on the TCPServer using an IP port terminal server for machine each provide a link to avoid double switch built chain of time interval. And make double machine sharing a terminal server, give priority to hot standby for machine provides a uniform data. D） Master station system chooses CompaqAlphaUnix workstation man-machine workstation, high performance, safe and reliable, not down, to ensure the sustainability of the operation
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