The thesis analyzed the principle of “ hp inlet pressure control ” and the application , which based on the analysis of daya bay and lingao turbine control system ( gre ) , in addition , the problems and the way to prevent during the normal operation also be concerned in this article 本文详细分析了大亚湾核电站和岭澳核电站汽轮机的压力控制的原理及实现方式，并结合应用案例，分析了设计及实际应用中容易出现的问题，以及避免这些问题的对策。
This paper introduces the radiographic examination procedure of the primary pump of 900mw nuclear power unit , including the requirement about the radiographic examination equipment such as the radiation sources , films , penetrameter , etc . ; the radiographic process when using the rectilinear accelerator , and the development & examination of radiographic files , defects examination and acceptance criteria , with the expectation that this introduction be useful for reference to the promotion of 1000mw nuclear power primary pump localization in china 摘要介绍了岭澳核电站主泵泵体制造过程中的射线探伤工艺过程，包括对胶片、象质计及底片的要求、直线加速器透照工艺、底片冲洗及黑度要求以及缺陷评定和验收标准，以期对我国今后百万千瓦级主泵泵体的国产化有所裨益。
