MAPS returns after 18 months

3 August 2003

Unit 2 of the Madras Atomic Power Station (MAPS) is back in service, after a year and a half off line.

The unit began an outage on 9 January 2002 for replacement of coolant tubes. The original Zircalloy 2 tubes were replaced with improved materials made of zirconium/2.5% niobium. The heat exchangers in the steam generators were also replaced and the plant systems upgraded, according to a statement by the Nuclear Power Corporation of India.

The modifications bring the unit's capacity up 50MWe to 220MWe.

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