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1970年4月,保加利亚引进前苏联设计制造的核机组反应堆440兆瓦/230型。其后,第一号机组反应堆并网发电。从此,保加利亚的核工业随之发展起来。 总体上看,保加利亚核工业发展分三个阶段: 第一阶段:1974—1975年建成第一、二号机组反应堆,型号为B-230/440兆瓦。 第二阶段:1980-1982年建成第三、四号机组反应堆,其型号和功率与第一、二号机组反应堆相同,但在安全系统方面有比较新的改进。
In April 1970, Bulgaria imported a nuclear reactor reactor of 440 MW/230 designed and manufactured by the Soviet Union. After that, Unit 1 reactors were connected to the grid for power generation. Since then, Bulgaria’s nuclear industry has developed. In general, the development of the Bulgarian nuclear industry is divided into three phases: The first phase: The first and second reactors were built from 1974 to 1975, model B-230/440 MW. The second stage: The third and fourth unit reactors were built from 1980 to 1982. Their model and power were the same as those of the first and second unit reactors, but there were relatively new improvements in the safety system.