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?Safe and Reliable Operation of Nuclear Power Plants

Updated:2021-12-26 | By:The Academy of Contemporary China and World Studies

Safe and Reliable Operation of Nuclear Power Plants 

As of December 31, 2020, there were 49 units in operation on the Chinese mainland. They have been operating safely and reliably for 407 reactor years, with a good safety record. No operational events rated at level 2 or above on the International Nuclear and Radiological Event Scale have ever occurred. The radioactive effluents from the nuclear power plants in operation are far below the limits specified by the state, and the absorbed dose rate in air is within the range of local background radiation levels. Environmental monitoring shows that there has been no significant change in the ambient radiation levels around the nuclear power plants compared with pre-construction levels. In the comprehensive ranking of similar units by the World Association of Nuclear Operators (WANO) in recent years, operating units in China have performed above the world median on more than 80 percent of the indicators, and have been at the top level on more than 70 percent of the indicators. In 2020, 28 operating units earned full marks in the WANO composite index, tied for first place with 55 other units in the world. 

核電機(jī)組安全穩(wěn)定運(yùn)行

截至 2020年 12月 31日,中國大陸在運(yùn)核電機(jī)組 49臺,安全穩(wěn)定運(yùn)行 407堆年,未發(fā)生過 2級及以上運(yùn)行事件,保持良好的安全記錄。所有在運(yùn)核電廠放射性流出物的排放量遠(yuǎn)低于國家標(biāo)準(zhǔn)限值,環(huán)境空氣吸收劑量率控制在當(dāng)?shù)乇镜纵椛渌綕q落范圍內(nèi)。環(huán)境監(jiān)測表明,核電廠周圍環(huán)境輻射水平與建設(shè)前相比無明顯變化。在近年世界核電運(yùn)營者協(xié)會(huì)( WANO)同類機(jī)組綜合排名中, 80%以上指標(biāo)優(yōu)于世界中值水平,70%以上指標(biāo)達(dá)到世界先進(jìn)值。 2020年,28臺運(yùn)行核電機(jī)組 WANO綜合指數(shù)滿分,與世界其他 55臺核電機(jī)組并列第一。

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