At temperatures above the higher set point, the fan will operate at its maximum speed.
当环境空气超过最高设置温度时，风扇将会以最大转速工作。
The fan operates at a set speed until the inlet air temperature exceeds the lower set point (see Table 1).
如果环境空气温度不超过最低设置温度，风扇一直以设定温度转动(见表1)。
The advantages of frequency speed control in forced draught fan for boiler in power plant are set forth by examples.
结合实例阐明了电站锅炉送风机采用变频调速的优点。
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