摘要
本文以归一化频率η为变量,推导了RL-C谐振电路阻抗的模|Z|与Q及η的关系表达式,并推导给出了阻抗的最大值发生时的归一化频率η*与Q的关系式。通过举例进一步分析了谐振点处阻抗与阻抗的最大值发生的频率及相对误差随Q的变化而变化的规律。
Taking normalized frequencyηas a variable,this paper derives the expression of the relationship between the mode|Z|and Q of RL-C resonant circuit,and derives the relationship between normalized frequencyη*and Q when the maximum impedance occurs.The frequency and relative error of the maximum impedance and impedance at the resonance point are further analyzed with an example.
作者
吕慧显
赵志刚
LV Hui-xian;ZHAO Zhi-gang(Institute of electrical engineering,Qingdao University,Qingdao 266071,China;Institute of computer science and technology,Qingdao University,Qingdao 266071,China)
出处
《电气电子教学学报》
2019年第6期111-113,共3页
Journal of Electrical and Electronic Education
关键词
阻抗
品质因数
谐振
impedance
quality factor
resonance
