额定电流值指直流重叠允许电流或温度上升允许电流均可满足的直流电流值。
The rated current is the DC current value that satisfies both of DC saturation current value and temperature rise current value.
同时,着重对电流换相时所引起的转矩脉动进行了研究,发现采用重叠换相技术可减小这种转矩脉动。
At the same time torque pulsation in circuit commutation is analyzed and researched chiefly, and overlapping commutation technology is offered in order to reduce this torque pulsation.
用两个重叠的铅隧道结进行实验,当注入电流很大时在铅膜中观察到了非均匀能隙态,铅膜中出现非均匀态的功率阈值比铝膜大得多。
Double tunnel junctions have been used to investigate the properties of superconducting Pb films under quasiparticle injection. At high injection level an inhomogeneous gap state was observed.
针对无刷直流电动机的转矩脉动,提出采用不同的PWM调制方式以及不同的重叠换相角减小换相电流所引起的转矩脉动。
According to torque ripple of brushless DC motor, the different PWM modulation mode and overlapping commutation method are used to minimize torque pulsation when current commutation is considered.
针对无刷直流电动机的转矩脉动,提出采用不同的PWM调制方式以及不同的重叠换相角减小换相电流所引起的转矩脉动。
According to torque ripple of brushless DC motor, the different PWM modulation mode and overlapping commutation method are used to minimize torque pulsation when current commutation is considered.
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