Finally avoidance method of working in pseudo-resonant state during the inverter's switching frequency tracing control is suggested.
提出了电源的逆变电路进行开关频率的自动跟踪时，避免电路进入似谐振状态而工作于谐振状态的方法。
The fixed switching frequency current tracing control is adopted in high frequency bridge, so the control circuit is simple.
高频桥采用恒频电流跟踪控制，控制电路简单。
It could ensure the best efficiency by making the output frequency to trace the resonance frequency with the frequency tracing technique and phase-shifted control.
本文利用频率跟踪和移相控制技术，使电源输出频率跟踪负载谐振频率变化，以保证最佳加热效率。
The variable speed constant frequency double-fed wind power system is taken as the research object and the control problem of maximum wind energy tracing below the rated wind speed is studied.
以变速恒频双馈风力发电系统为研究对象，研究了额定风速以下风能的最大追踪控制问题。
According to wave analysis and theoretical calculation of PWM inverter with delay-loop current tracing, this paper proposes a frequency control system with current tracing SPWM.
通过对滞环电流跟踪型pwm逆变器的波形分析和理论计算，提出一种固定开关频率型电流跟踪SPWM变频调速系统。
According to wave analysis and theoretical calculation of PWM inverter with delay-loop current tracing, this paper proposes a frequency control system with current tracing SPWM.
通过对滞环电流跟踪型pwm逆变器的波形分析和理论计算，提出一种固定开关频率型电流跟踪SPWM变频调速系统。
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