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L-3 MAPPS to upgrade Axpo’s nuclear power plant in Switzerland

17 May 2012
-3 MAPPS has secured two projects to update the full scope simulator at Axpo’s Beznau nuclear power plant in Döttingen, Switzerland.

The projects entail NEXIS and AUTANOVE updates on the plant's two operating units, which are expected to enter into service by the end of 2013.

L-3 MAPPS Power Systems and Simulation vice president of marketing & sales Michael Chatlani said, "Since the Beznau full scope simulator went into operation in the first quarter of 2007, Axpo has depended on L-3 MAPPS for its nuclear plant simulation needs."

For the NEXIS project, the existing WDPF-based plant information system at the plant will be replaced with Ovation-based system from Westinghouse, while the current remote hydro plant emergency power supply will be replaced with two on-site diesel generators for AUTANOVE project.

L-3 MAPPS will also modify the interface to the existing plant information system for NEXIS, to enable acommunication with the Ovation system supplied by Westinghouse.

Based on L-3 MAPPS's Orchid Modeling Environment to remodel the electrical emergency power supply, including power distribution, for AUTANOVE, the new diesel generators will be simulated with their auxiliary and control systems.

L-3 MAPPS will also build the control logic which will be used to start up the diesel generators and turn on the necessary equipment.