美国的PGE公司最近加入了一个由10家公司组成的集团,该集团是为更换从1992年起在今后20年内要更换的50台核电蒸汽发生器而成立的。美国持洛伊核电站运行已有15年,为修理蒸汽发生器的管子,于1991年3月停运,经检查在蒸汽发生器的管子上发现有细微裂纹,为此公司决定对2262根管子进行修理,估计费用为3千7百万美元。并对所有12500 PGE Corporation of the United States recently joined a group of 10 companies formed to replace 50 nuclear steam generators to be replaced in 1992 over the next 20 years. For 15 years, the United States has operated the Loei Nuclear Power Station for the repair of steam generator pipes. Since its shutdown in March 1991, minor cracks were found in the steam generator pipes. As a result, the company decided to test 2262 pipes For repairs, the estimated cost is $ 37 million. And for all 12500