Uranium & Fuel

Accident-Tolerant Fuel / Assemblies Produced For Rostov Nuclear Station, Says Rosatom

By David Dalton
27 December 2019

Assemblies Produced For Rostov Nuclear Station, Says Rosatom
The assemblies are scheduled to be used at the Rostov nuclear station. Photo courtesy Rosenergoatom.
The first Russian-made nuclear fuel assemblies with experimental accident-tolerant fuel rods for commercial reactors have been manufactured and passed inspection at Novosibirsk Chemical Concentrates Plant, a subsidiary of state nuclear corporation Rosatom’s Tvel fuel company.

The assemblies are scheduled to be loaded into one of the four 950-MW VVER-1000 reactor units at the Rostov nuclear power station in the first quarter of 2020, Tvel said.

Each of the three TVS-2M fuel assemblies contains 12 accident-tolerant fuel rods with two different options for the cladding material either zirconium alloy with chromium coating, or chrome-nickel alloy. Both options make claddings more heat-resistant, Tvel said.

The nuclear industry has been aggressively developing different types of reactor fuels that are more robust and have improved performance during normal and accident conditions.

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