Steam generators of the power-generating units of nuclear power plants with vver-1000 reactors
Journal Article
·
· Atomic Energy (New York)
OSTI ID:90861
The first power-generating units at nuclear power plants with VVER-1000 reactors came on line in 1980. By August 1993 there were 19 such units (seven in Russia, ten in Ukraine, and two in Bulgaria). It was found that from the end of 1986 to 1991 the outlet ({open_quotes}cold{close_quotes}) coolant collectors of the PGV-1000 steam generators (1000 M) in these power-generating units contained damage in the form of cracks of corrosion-mechanical origin in the connections between the openings of the perforated zone. Damage appeared only at the cold collectors and only near the vertical axis, passing through the top of the unperforated wedge. The construction of the PGV-1000 steam generators is an elaboration of the structures of horizontal steam generators in nuclear power plants with VVER-440 reactors and is displayed.
- OSTI ID:
- 90861
- Journal Information:
- Atomic Energy (New York), Journal Name: Atomic Energy (New York) Journal Issue: 2 Vol. 77; ISSN AENYEZ; ISSN 1063-4258
- Country of Publication:
- United States
- Language:
- English
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