Mitsubishi Heavy Industries (MHI) has completed work to replace the reactor vessel head (RVH) at Angra 1, a pressurized water reactor (PWR) nuclear power plant owned by Eletrobrás Termonuclear (Eletronuclear), a government-controlled electricity company in Brazil.
The work performed by MHI was to replace the plant's existing components with a new RVH and control rod drive mechanisms (CRDM) - huge components that form the closure head of the nuclear vessel, both delivered by MHI in April 2010 and August 2012, respectively. After disassembling and removing the existing closure heads, the new RVH and CRDMs were assembled at the nuclear reactor containment vessel and installed.
The replacement work commenced under MHI's management in January 2013 to coincide with a periodical inspection; all tasks were successfully executed as planned and Angra 1 was place back on line on 6 March 2013. Eletronuclear's 657 MW Angra 1 PWR NPP began commercial operation in 1985. Replacement of the RVH aimed at making plant operations more reliable and economical.
Interested in Power Plants?
Enerdata has developed a market research service to screen, monitor and analyse the development of power generation assets.
Power Plant Tracker offers an interactive database and a powerful search engine covering power plants worldwide – including both installed and planned capacities for renewables and fossil fuels.