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对于多缸双作用热声发电机,当各单元结构完全一致时,各单元的工作状态也是相同的。但仅有一个电机的单个参数发生改变时,各单元的工作状态均会受到影响,且呈现出明显的不一致性,各单元间还会出现复杂的耦合影响。本文从理论上分析了电机参数不一致时,可以通过调整本单元电机的外接电阻和电感的方法来抑制电机不一致性对其它单元的影响,将不一致性的影响降到最低。并对一台三缸双作用热声发电机进行了数值模拟,验证了该方法的有效性。
For the multi-cylinder double-acting thermoacoustic generator, when the unit structure is exactly the same, the working status of each unit is the same. However, when a single parameter of only one motor is changed, the operating status of each unit will be affected, and there is obvious inconsistency, and complicated coupling effects may occur among the units. This paper theoretically analyzed the motor parameters are inconsistent, you can adjust the external resistance of the motor and the inductor method to suppress the impact of motor inconsistencies on other cells, the impact of inconsistencies to a minimum. A three-cylinder double-acting thermoacoustic generator is numerically simulated to verify the effectiveness of the method.