A novel inverter output filter consists of the variable inductance and capacitor is proposed for pulse-width modulated ( PWM) drive system. 提出了一种新颖的用于脉冲宽度调制(PWM)动系统的逆变器输出滤波器。
A new test system with the variable inductance sensor for measuring the torsion is put forward in this paper, in order to preventing the damage the intelligent electric actuator or valve, when it is working with overloading. 为避免智能电动阀门执行器由于负载扭矩超过额定值而导致的阀门或执行器损坏,本文提出了一种可变电感式扭矩测量系统。
Finally, rotor slot of variable frequency motor is optimum, stable-state performances and slot leakage inductance of respective rotor slot at different air gap length are calculated after motor is optimum. 最后对变频电动机的转子槽形进行了优化设计,计算了优化后电机在不同气隙下的稳态性能和转子各槽槽漏感。
Design of a Test System with the Variable Inductance Sensor for Measuring the Torsion of the Intelligent Electric Actuator 智能电动执行器可变电感式扭矩测量系统的设计
This transformation is called mixed transformation temporarily. It can transform variable inductance matrix within the equations of synchronous machine into constant matrix, and can also make the constant inductance matrix symmetry. 它既能将电机方程中的变数电感矩阵变成常数电感矩阵,又能使常数电感矩阵对称。
The differential equations are based on basic electromagnetic laws in the stationary αβ 0 reference system for the induction generator. The variable coefficient differential equations were solved numerically with consideration of the magnetizing inductance influenced by the magnetizing currents. 利用三相自激异步发电机αβ0坐标系统模型,从发电机的基本电磁关系出发列写微分方程组,在考虑激磁电流对激磁电感影响的情况下对变系数微分方程用数值法求解。
On that basis, the key passive components which include inductance and variable capacity are designed, including the influence of inductance and variable capacity for the whole loop. 在此基础上,完成了锁相环电路关键无源器件电感和可变电容的选取和设计。其中分析了电感和可变电容对电路性能影响。