India-Russia civil nuclear cooperation got fresh boost with Atommash, AEM-Technologies, JSC Branch in Volgodonsk (part of Rosatom Machine Building Division Atomenergomash) has completed welding of the steam generator heads for Kudankulam Nuclear Power Plant Unit 5.
Preliminary, support components and 11,000 heat-exchange coils were completed inside the steam generator, according to an official statement. Automatic welding of the heads is performed with heating at a temperature of 120 to 250 degrees during seven days. The welding of the two welds required 660 kg of wire and 935 kg of flux, statement added.
Further, specialists will perform local heat treatment of welds and a full range of technical inspections, including hydraulic tests and eddy-current test of heat-exchange tubes, according to the statement.
The steam generator is a heat exchange equipment, part of the reactor facility and belongs to the first safety class items. The equipment is about 14 meters long, over four meters in diameter, and weighs 350 tons. The equipment of one NPP unit includes four steam generators. The
Kudankulam NPP is a nuclear power plant with VVER-1000 power units, located in southern India, in the state of Tamil Nadu. Since February 2016, the first power unit of the Kudankulam NPP has been steadily operating at the design power level of 1,000 MW.
The second power unit was connected to India's national power grid on August 29, 2016. The Master Framework Agreement with Rosatom on the construction of the third and fourth units was signed in the spring of 2014. In June 2017, Engineering Division of Rosatom State Corporation and the Nuclear Power Corporation of India Limited signed an agreement for the construction of the third stage of the Kudankulam NPP.
Joint-Stock Company AEM-Technologies was founded in 2007 in the structure of JSC Atomenergomash, the engineering division of the State Corporation Rosatom, and is currently one of the leading Russian companies in the field of power engineering, a member of the Russian Engineering Union. The Company has an engineering center staffed with experienced designers and process engineers, as well as two production sites: Petrozavodskmash, AEM-Technologies, JSC Branch in Petrozavodsk and Atommash, AEM-Technologies, JSC Branch in Volgodonsk.
ROSATOM is the only company in the world that has the resources and competencies to offer energy solutions across the nuclear supply chain, according to a company statement. It possesses a wide range of assets, including assets in design, construction and operation of nuclear power stations, uranium mining, conversion and enrichment, supply of nuclear fuel, decommissioning, spent fuel storage and transportation and safe nuclear waste disposal.
Rosatom is also engaged in the production of equipment and isotope products for the needs of nuclear medicine, scientific research, and materials science, the production of digital and of various nuclear and non-nuclear innovative products. The company’s strategy is to develop low-carbon power generation projects, including in the wind generation field, according to a company statement.
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