CAJ | 학술논문

为获得热声发电系统最大电能输出和声功捕获，该文以横向磁通永磁直线发电机为例，采用力–电类比法建立热声发电系统等效模型，研究电磁力、次级速度与阻抗之间的关系，推导热声发电系统等效阻尼的表达式，并分析电抗对等效阻尼的影响。在此基础上，基于最大电能输出进行阻抗匹配，并采用相量法分析阻抗匹配对机械谐振条件的影响，推导出谐振弹簧劲度系数表达式。最后，通过直线振荡系统实验平台验证阻抗匹配及弹簧谐振劲度系数理论推导的准确性，为热声发电系统直线发电机的设计提供理论指导。
위획득열성발전계통최대전능수출화성공포획，해문이횡향자통영자직선발전궤위례，채용력–전류비법건립열성발전계통등효모형，연구전자력、차급속도여조항지간적관계，추도열성발전계통등효조니적표체식，병분석전항대등효조니적영향。재차기출상，기우최대전능수출진행조항필배，병채용상량법분석조항필배대궤계해진조건적영향，추도출해진탄황경도계수표체식。최후，통과직선진탕계통실험평태험증조항필배급탄황해진경도계수이론추도적준학성，위열성발전계통직선발전궤적설계제공이론지도。
In order to obtain maximum captured acoustic and electric power output of thermoacoustic electric generation systems (TAEGS), an electro-mechanical analogic model was built using an appropriate transverse flux PM linear machine (TFPMLM). The relationship among electromagnetic force, velocity of mover and reactance was analyzed, and expression of TAEGS equivalent damping was deduced. The effect of the reactance on equivalent damping was analyzed, and the parameter of reactance was deduced for getting impedance matching. The influence of impedance matching on conditions of mechanical resonance was researched using phasor diagram. Expression of the spring stiffness factor was deduced. Experimental results through a linear oscillatory platform verify the validity of the impedance matching and theoretically derivate equivalent resonance stiffness factor. The achievements in this paper provide theoretical guidance for the linear generator design of TAEGS.