The equivalent impedances of inductor and capacitor in transient response were deduced from the exponential transient solution and the volt ampere relation of these elements. 从逆变器等效输出阻抗的角度,对基于输出电压和滤波电感电流双闭环瞬时反馈控制技术的逆变器并联系统的环流特性进行了研究。
The volt ampere properties of electrolyte in pulse electrochemical finish machining ( PEFM ) are investigated in this paper. 对脉冲电化学光整加工(PEFM)中所采用的一种电解液的伏安(VA)特性进行了实验研究。
The results show that the composite exhibits percolation threshold effect, positive temperature effect and nonlinear volt ampere characteristics. 实验结果表明,材料具有明显的渗滤效应、正温度系数效应和非线性伏安(VA)特性。
Objective To study the specificity of the volt ampere characteristics of acupoints in reflecting the physiological and pathological changes of the human body. 目的研究穴位伏安(VA)特性在反映人体生理病理变化上的特异性。
In order to obtain volt ampere characteristic and related parameters of ZnO nonlinear varistor, the method by which the charged capacitor release energy to ZnO elements is applied, the element ′ s current and voltage are sampled and processed rapidly by microcomputer. 为得到阀片的伏安(VA)特性曲线和有关特征参数,用储能电容方式对ZnO阀片进行放电,应用微机技术对放电电压、电流进行快速采样处理。