Westinghouse Electric Company said Thursday that it had been awarded a contract with the National Nuclear Energy Generating Company of Ukraine to engineer, design and install passive hydrogen control systems for two of six VVER-1000 reactor units at the Zaporizhia Nuclear Power Plant.
The passive hydrogen-control system, ordered for Units 1 and 2, is designed to enhance containment integrity in the event of an accident whether that accident originates from design operations or from “beyond-design-basis,” which are accidents not anticipated by the plant's design.
Westinghouse said orders for Passive Autocatalytic Recombiner or NIS-PAR safety enhancement systems, have been on the rise for VVER-type reactors (440/213 and 1000 models) in Europe and elsewhere following the Fukushima Daiichi accident in 2011.
The installations in Ukraine are scheduled to be completed by January 2016.
Westinghouse has also installed the passive, low-maintenance systems in Slovenia’s Krsko Slovenia, Brazil’s Angra, Spain’s Vandellos and Japan’s Kashiwasaki Kariwa plants.
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