• 该文提出了一种采用内环空间矢量电流调节器外环同步坐标比例积分控制器联的三相桥臂逆变器的控制方案,实现了对三相四桥臂逆变器的解耦控制。

    This paper presents a decoupled control scheme for three?phase four?leg inverter through an inner current regulator based on space vector cascaded with an outer synchronous frame PI controller.

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  • 方法通过实时检测三相交流输出电流方向得到方向函数,利用该函数选择一个PWM周期内不同电压矢量作用时间来控制中点电流的方向,实现电压平衡。

    By getting the direction function from the output AC current, the applied time of voltage vectors in one PWM period was chosen, the direction of central current was controlled for DC voltage balance.

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  • 采用V40单板机微机系统PI运算矢量运算均软件程序实现,运算速度故障率小,电流响应

    By the use of the microcomputer system of V40 on chip microprocessor, PI and vector calculations are carried out through soft ware with fast speed, low fault point and quick response to current.

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  • 空间矢量调制两级协调控制实现整流电流流,极大地减少开关损耗提高变换器效率

    Double space vector modulation can realize zero current commutation of the rectifier side, greatly reduce the switch loss, and improve the efficiency of the converter.

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  • 感应电动机矢量控制技术通过坐标变换实现定子电流励磁分量转矩分量解耦控制。

    The technique of induction motor vector control is a way to realize the decoupling control of stator current excitation and torque variable through coordinates transform.

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  • 提出一种处理电力系统具有不同相角分布随机谐波矢量(电压电流)求和问题方法

    This paper presents a new method to obtain the sum of random harmonic vectors (voltage or current) whose phases have different probability distribution functions in a power system.

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  • 芯片判决电路采用SCFL(源级耦合晶体管逻辑)的D触发器结构根据矢量叠加原理设计,采用差动电流放大器构成可调器。

    The decision circuit of the chip is applied with a DFF using SCFL structure and its tuned phase shifter with differential current amplifiers according to the principle of vector addition.

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  • 提出了一种新的基于最优电压矢量有源滤波器滞环电流控制方法

    A novel hysteresis current control method for active power filter based on optimal voltage vector is suggested.

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  • 异步电机矢量控制技术通过坐标变换实现定子电流励磁分量转矩分量解耦控制。

    The technique of induction motor vector control is a way to realize the decoupling control of stator current excitation and torque variable using coordinates transform.

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  • 利用三维空间矢量提出一种新型无需坐标变换的三相电路畸变电流检测方法

    Using three-dimensional space vectors, this paper describes a simple method for detecting the distorted current without any coordinate transformation.

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  • 系统采用位置速度电流环三环控制并结合空间矢量调制SVPWM算法

    The servo control system combines position loop, speed loop, current loop with algorithm of space vector pulse width modulation(SVPWM).

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  • 测试系统动态反应性实时显示效果智能性良好同步准确反映感应电机矢量控制电流波形

    The test system has a good dynamic response, real-time display and intelligence, which can reveal the current waveforms in vector controlled induction-motor drive synchronously and precisely.

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  • 结合数学模型,讨论有关矢量控制原理电流最小控制数字实现方法

    And according to the mathematical model, vector control principle and minimal direct axis current control and its digital realized method were discussed.

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  • 本文提出一种新型基于模型参考自适应电流控制矢量控制系统

    This paper proposes a new vector control system based on an model reference adaptive system(MRAS) of internal model current control.

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  • 采用三角矢量面元(rwg)基函数模拟电流分布

    The triangle vector basis function (RWG) is employed to simulate the current distribution.

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  • 提出一种基于空间矢量数字化预测电流控制SPWM逆变器

    This paper describes a completely digitized predictive current controlled SPWM inverter based on space vector.

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  • 软件采用C语言编写实现了无位置传感器控制算法及转速电流闭环矢量控制

    The software has been programmed with C. Sensorless PMSM dual close-loop vector control with feedback of speed and current are realized.

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  • 本文提出基于电压空间矢量有源滤波器滞环电流控制方法

    An optimized space voltage vector (OSVV) Based hysteresis current control method for active power filters is proposed.

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  • 不同于传统模拟环比较器,采用基于三维空间矢量脉宽调制(3dSVPWM)控制补偿电流产生

    Instead of the conventional analog hysteresis comparator, the compensatory current is produced by 3-dimensional space vector modulation (3d SVPWM) technique.

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  • 分析了电压矢量定子电流矢量关系,由此得到种根据重构电流矢量补偿定子电压矢量的方法。

    The relationship between the dead-time voltage sector and the stator current sector is analyzed and a method for compensating the stator voltage sector is proposed based on the reconstructed current.

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  • 矢量控制交流感应电动机数学模型基础上采用电压阶跃电流方法实现了交流电机电气参数静态检测

    On the basis of mathematical model of AC induction motor in vector control inverter the static measurement of electrical parameters for AC motor is completed using pulse voltage and pulse current.

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  • 传统PWM整流控制基础,论文利用开关函数建模法,提出了基于预测电流的PWM电压空间矢量控制方法。

    Based on the traditional control on PWM rectifier, space vector PWM predictive current controller is presented using the switching function model.

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  • 摘要电流密度矢量满足叠加原理,给出了一些应用电流密度场叠加原理的例子。

    The electric current density vector field also satisfies superposition principle some applications thereof are introduced.

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  • 风力机大功率点跟踪方式运行,在考虑发电机损耗变频器容量前提下,通过最优化电流矢量控制获得最大输出功率

    The maximum available power is obtained by the optimum current vector control considering the converter capacity and the losses of generator.

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  • 提出一种异步电机速度传感器矢量控制方法瞬时无功功率励磁电流变化来估计电机转速

    This paper proposes a new method of sensorless vector control for induction motors, in which the motor speed is estimated by both instantaneous reactive power and variation of magnetizing current.

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  • 死区效应视为空间矢量两个因素决定扇区电流方向

    Dead-time effects can be regarded as a kind of space-vector, which is determined by two factors: sector number and direction of phase current.

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  • 针对电压源空间矢量调制逆变器效应,提出种根据电流矢量判断电流极性的死区补偿方法

    Aimed at dead time effect of voltage-fed space vector pulse width modulation (SVPWM) inverter, a novel compensation method detecting current polarities from the current vector was presented.

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  • 控制系统采用双环控制速度环采用PI转速控制,电流采用矢量控制。

    In the double loop of control system, a PI speed controller is adopted in the speed loop, and a vector controller is used in the current loop.

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  • 异步电机矢量控制由于实现励磁电流电流耦控制而具有优良动态性能

    By decoupling between the magnetizing current and the torque current, the vector control strategy of induction machines can achieve excellent dynamic performances.

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  • 异步电机矢量控制由于实现励磁电流电流耦控制而具有优良动态性能

    By decoupling between the magnetizing current and the torque current, the vector control strategy of induction machines can achieve excellent dynamic performances.

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