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在简要地分析了10MW高温气冷实验堆氦气冷却系统的基础上，提出了主氦风机用电动机变频器的选择方案，给出了电压／频率的设定原则，重点分析了氦气流量自动调节系统，并进行了数字仿真。
Based on the brief analysis of the helium cooling system of a 10MW high temperature gas-cooled reactor, a scheme of selecting the frequency converter of the main helium fan motor is proposed. The principle of voltage / frequency setting is given. The analysis of the helium gas flow rate Adjust the system, and conducted a digital simulation.