Invensys wins nuclear upgrade deal
An
Invensys SimSci Esscor product story
Edited by the Engineeringtalk editorial team
Dec 19, 2005
Invensys selected by Omaha Public Power District for SimSci-Esscor virtual stimulation technology using FSim Plus to verify and tune Fort Calhoun nuclear power station's digital automation system.
Invensys Process Systems has been selected by Omaha Public Power District (OPPD) for SimSci-Esscor virtual stimulation technology using FSim Plus software to verify and tune the Fort Calhoun nuclear power station's upgraded Foxboro digital automation system.
The contract includes software and engineering services to bridge the control's simulation to Fort Calhoun's existing plant simulator.
Fort Calhoun in Nebraska is a pressurised light water reactor facility with generating capacity of 492MW.
Operating safely since it was built in 1973, it has received an extension of its operating licence from the Nuclear Regulatory Commission.
OPPD is upgrading the facility, including new steam generators, new reactor vessel head and new pressuriser, so it can continue operating safely and efficiently until 2033.
The FSim Plus simulator will exactly model the upgraded I/A Series digital control systems at Fort Calhoun.
Virtual simulation technology uses the underlying digital controller source code, which is ported to a low-cost computer and combined with simulation functionality.
This virtual controller communicates with operator workstations, exactly duplicating the control room experience in an off-line, low risk manner.
As an exact representation of the plant controls, the virtual stimulation allows for the control algorithms to be tested in the simulator before installing the controls in the plant.
This strategy also eliminates subsequent forced outages caused by live control configuration error resolution, and can result in large savings for the plant.
By using SimSci-Esscor software bridge capabilities, the Invensys simulation allows the control's configuration and graphics files from the plant to be downloaded onto Fort Calhoun's existing plant simulator.
It uses the same tools and operator interface as the plant, without imprecise translations, conversions or other emulation.
It will also allow Fort Calhoun operators to maintain continuously their plant simulator as controls are upgraded.
The bridge technology helps address such problems as operator new-technology skills training, keeping existing emulators current with control system advances, and streamlining verification and tuning for the new controls.
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