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PROBLEM DESCRIPTION AND SYSTEM REQUIREMENTS: A hydroelectric utility required a real-time supervisory control and data acquisition (SCADA) and sequence of event recording system to monitor and control power generation and transmission, as well as substation activity and lake levels. The existing control system contained outdated PDP 11s that only allowed monitoring and had no control or sequence of events capabilities. REALFLEX SOLUTION: RealFlex and one LanFlex workstation are currently installed at the largest generating station which has four generators. MiniFlex, which is limited to 500 database points, is installed at seven other generating stations, which have only one generator. The engineering staff at the utility company wrote its own parallel communication device driver to interface to the RTP using RealFlex Systems' Custom Development Kit. Their driver is able to provide control and sequence of event recording in the 50 millisecond range. The staff can call in and identify problems from a portable PC. RESULTS: The customer saved a vast amount of money by choosing RealFlex. RealFlex provided the necessary real-time performance on an inexpensive PC-based system. REALFLEX SYSTEMS SOFTWARE: 8 RealFlex, 7 MiniFlex (under 500 points), Custom Development Kit, TermFlex, LanFlex DATABASE SIZE: Approximately 1000 points PC HARDWARE: Various computers I/O HARDWARE: Realtime Peripheral Controllers (RTP) from Computer Products |
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MagyarRegulaTradeshow 2007, Hungary.
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Embedded World 2007
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SCADA solutions seminar, Moscow
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