helical instability of arcs with electrical conductivity of a parabolic current profile under electrostatic approximation
静电近似下抛物形电导率模型电弧的螺旋不稳定性
magnetic field on focus of parabolic current
抛物线电流焦点的磁场
With regard to the three-phase three-wire converter system, the phase dependency problem is studied in details and two decoupling schemes for the parabolic PWM current control are developed.
以三相三线电压型变换器系统为研究对象,系统研究了抛物线法电流控制技术的三相解耦控制问题,并提出了两种解耦控制方法,即虚拟零序电流解耦法与虚拟两相电流解耦法。
We also need to look at the potential pullback levels in the current parabolic trend and for how the trend changes.
我们也需要观察当前抛物线趋势中潜在的回撤区位并找出趋势是如何变化的。
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