| 1. | Stator flux oriented control of asynchronized synchronous generator 异步化同步发电机定子磁场定向控制 |
| 2. | The paper gives the vector control speed system of the double - fed machine on the rotor current orientation 在进行定子磁场定向后,保持转子电流与定子磁链相垂直,进行转子电流定向。 |
| 3. | The dynamic performance of vscf double - fed wind power system is discussed . it is shown that vscf double - fed wind power system with stator field - oriented vector control has good performance 并且采用定子磁场定向的矢量控制方法实现对风力发电机的控制,分析了双馈型变速恒频风力发电系统的动态特性。 |
| 4. | In this scheme , the torque of motor is calculated and controlled in the staler reference frame . by using stator field orientation , the optimum switching mode is achieved to control the inverter 它直接在定子坐标系下计算和控制交流电动机的转矩,采用定子磁场定向控制,直接对逆变器的开关状态进行最佳控制。 |
| 5. | This paper adopted the sensorless control scheme based on stator field oriented control and adaptive low - pass filter theory . and carried out simulation , program , and experiment works 本文在查阅了大量文献资料后,采用了基于定子磁场定向控制和自适应低通滤波器的无速度传感器算法,并进行了大量的仿真、编程和实验工作。 |
| 6. | This thesis shown that vscf ac exited wind power system with stator field - oriented vector control has a series of good performance and all the control schemes which had been introduced in this paper has its feasibility 本文研究结果表明,采用定子磁场定向矢量控制的交流励磁风力发电机系统具有许多优越的性能,且本文采用的控制技术和进行的控制相关分析都是可行的。 |
| 7. | After studying a lot of documents , we present a speed - estimating method for direct torque control system . this method is based on the theory of dtc , but it takes advantage of the convenient of both the theory of dtc and the theory of foc . we need only to sample the stator ' s current to estimate the speed of the rotor , at the same time the integration of the voltage is avoided 在研究大量文献的基础上提出了一种适用于交流电机dtc控制系统的转速计算方法,该方法以dtc控制为中心,结合dtc和定子磁场定向和转子磁场定向各自的特点,综合利用各自的有利之处,只需测量定子电流,避免了对电压积分,思路清晰,计算简单。 |
| 8. | Matrix converters have received considerable attention in recent years , but the study focus is on matrix converter per se . a combined control strategy for matrix converter fed induction motor drive system is proposed , which implements both space vector modulation of matrix converter and direct field oriented control of induction motor 摘要提出了一种适用于矩阵变换器供电的异步电动机调速系统的组合控制策略,同时实现了矩阵式变换器的空间矢量调制和异步电动机的定子磁场定向直接转矩控制。 |
| 9. | Combined with the advantages of matrix converter , ac - excited generation technique and vector control scheme , the stator flux - oriented vector control model of the variable - speed constant - frequency ( vs cf ) ac - excited generator fed by a matrix converter was developed . simulation studies of the proposed power generation system were carried out 本文还结合了矩阵式变换器、交流励磁发电技术和矢量控制的优点,建立了矩阵式变换器供电的变速恒频交流励磁风力发电机定子磁场定向的矢量变换控制系统模型,对矩阵式变换器在交流励磁发电系统中应用进行了仿真研究。 |
| 10. | The direct torque control theory is a kind of new control method after vector control theory in ac control field . it calculates and controls the torque and the flux of ac electromotor in stator coordinate using the voltage space vector . adopting the stator magnetism field direction method , it recurs to discrete pang - pang control producing pulse width modulation signal and controls the switch state of the transductor when better quality steady - state performance is produced 直接转矩控制技术是继矢量控制技术之后交流调速领域中新兴的控制技术,它采用空间矢量分析的方法,直接在定子坐标系下计算并控制交流电动机的转矩和磁链,采用定子磁场定向,借助于离散的两点式控制产生脉宽信号,直接对逆变器的开关状态进行最佳控制,以获得转矩的高动态性能。 |