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The main circuit system is a closed loop, filled with high-temperature, high-pressure coolant. Any change in the average temperature or temperature distribution of this coolant will cause the water volume in the system to expand or contract, leading to changes in the main system pressure. The basic function of the pressurizer is to compensate for the volume change of the coolant and control the change in system working pressure within a specified range. Let’s first analyse the main causes of coolant volume fluctuation in the system.

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Calculation of Pressurizer Volume and Electric Heating Power

  • 章节

  • 发表日期：

    2026年

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  • Zhongning Sun,
  • Guangming Fan,
  • Xiaobo Zeng

摘要

The main circuit system is a closed loop, filled with high-temperature, high-pressure coolant. Any change in the average temperature or temperature distribution of this coolant will cause the water volume in the system to expand or contract, leading to changes in the main system pressure. The basic function of the pressurizer is to compensate for the volume change of the coolant and control the change in system working pressure within a specified range. Let’s first analyse the main causes of coolant volume fluctuation in the system.