The mathematical model on the calculation of recoiler dynamic torque(DT) and dynamic current(DC) are discussed. The calculation method on DT and DC by means of CAD is presented.
详细论述了卷取机动态力矩的数学模型及在控制系统中的实现问题，最后给出了采用CAD计算动态力矩和动态电流、确定相关工艺参数的方法。
R3 limits the charging current of capacitor C3, so that a limited dV/dt exists on capacitor C3 and by consequence also on capacitor C4 which is connected to the IGBT-emitter.
R3限制电容器C3的充电电流，由此在电容器C3上存在受限的dV／dt，并且因此在连接到IGBT发射极的电容器C4上也存在受限的dV／dt。
R3 limits the charging current of capacitor C3, so that a limited dV/dt exists on capacitor C3 and by consequence also on capacitor C4 which is connected to the IGBT-emitter.
R3限制电容器C3的充电电流，由此在电容器C3上存在受限的dV／dt，并且因此在连接到IGBT发射极的电容器C4上也存在受限的dV／dt。
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