阐述了永磁同步电机的矢量控制原理、准线性化解耦,交流电流控制方式和伺服增益调整方法。
The vector control principle of the PMSM, the realization of the current control for SPWN inverter by quasi-linear decoupling, and a comparison between the AC and DC current control are described.
建立了PWM逆变器的改进型周期平均模型,并给出了基于此模型基础上的电感电流控制方式;
The improved period-average-mode of the single-phase PWM VSC is set up, and the current control scheme based on the model is presented.
控制系统采用的是电流型PWM控制方式,能够实现高品质的恒功率能量回馈。
The control system adopts current PWM control mode, and high quality energy feedback with constant power could be accomplished.
文中分析了系统平衡变换原理,讨论了系统的平衡方式、补偿电流检测与有源滤波器控制方法。
In this paper, the principle of balanced transformation is analyzed; the balance mode, detection of compensating currents and controlling method of the active filter are discussed.
该控制方式的指令信号通过同时检测电源电流和负载电压得到。
The reference signal in this control approach is obtained by detecting both source current and load voltage.
本文通过对传统滞环电流控制器的分析,结合电压空间矢量调制方式,提出一种改进的滞环电流控制方法。
This paper presents a sort of improved hysteresis current control method through analyzing the traditional hysteresis current controller and combining voltage space vector modulate method.
针对多相电机控制模式复杂性的特点,提出一种新颖的控制方式:即六相感应电机梯形波相电流控制。
With the complexity of the control of multiphase machines, a novel control method was proposed in this paper, namely six-phase motor trapezoidal wave phase current control.
针对并联型有源滤波器提出了一种电流控制新方式,与传统控制方式不同,该方式不需要检测非线性负载中的谐波及无功电流。
A new equivalence principle of current control for shunt active power filters is introduced, which having no use for measurement of harmonic and reactive currents of nonlinear loads.
根据现有文献对静止无功发生器的主电路结构、各种有害电流检测方式和控制方式进行了分析、比较和总结。
After the summarization of present literatures, analyses and comparisons are made on the ASVG's main circuit, present detection system and control methods.
文章主要介绍了静、动态补偿装置,其功率因数控制方式、无功功率(无功电流)控制方式、性能及应用场合。
This paper mainly introduces the power factor control method, reactive power(reactive current) control method, the performance and the applications of the dynamic & static compensation equipment.
该系统包含升压和逆变两个环节,均采用电压外环、电流内环的双环pwm控制方式。
The two parts both adopt double loop PWM control mode which consists of outer voltage loop and inner current loop.
并以三相半波可控整流电路、滞环比较方式的电流跟踪控制、利用S函数实现空间矢量脉宽调制为例说明了软件的使用方法。
Three-phase half wave controlled rectifier, hysteresis comparison mode current track control, and realization of SVPWM by S-Function are used as examples to describe the usage of the software.
传统的单周期控制有源电力滤波器以峰值电流检测的控制方式和纹波电流的存在导致补偿后的电源电流中含有直流分量。
There are DC off-sets in the compensated source current of the traditional APF with one-cycle control due to the existent ripple and the peak current detection.
以电磁铁的电磁吸力与电磁铁线圈的电流的关系为基础,设计基于PWM控制方式的电磁阀驱动电路。
Based on relation between electromagnetism force and coil circuit of high speed solenoid, The solenoid drive circuits are designed based on PWM controlled type.
介绍一种新型的螺旋桨特性负载模拟装置,它是全数字控制的直流转矩伺服系统,采用转矩电流双闭环控制方式。
A new equipment for simulated the performance of propeller load is introduced in this paper, it's an all digital DC torque servo system using torque closed loop and current closed loop control.
通过对其换流过程的分析,提出了采用谐振开关控制,箝位开关控制的电流滞环控制的调制方式的策略。
By analyzing the process of the inversion, the control strategy of resonant switch and clamped switch modulation with current hysteresis control is discussed.
提出了减小电机换向冲击电流的延时通电控制方式,讨论了实现该控制方式的可行性和最佳参数优化。
A controlling method of "late switch on" is put forward, which can reduce the impulse current of linear motor in the turnback period. The reliablity of the controlling method is discussed.
功率变换器主电路采用电压电流双闭环瞬时值反馈控制方式,电容电压和电流瞬时值控制环提高了系统的稳定性、硬特性、稳态特性及动态特性。
The voltage and current real-time feedback control method is adopted, which improves the stability, the stiffness, the static characteristics, and the dynamic characteristics of the system.
由于采用了电流负反馈控制方式,制动力矩的大小可根据需要进行控制。
Due to electric current negative feedback control, the intensity of braking torque can be controlled as it is needed.
控制系统具有手动、半自动、全自动等工作方式,可自动补偿网压波动对焊接电流的影响。
The controlling system has many work patterns, such as manual, semiautomatic, and automatic, and can compensate for the effect of voltage fluctuation to welding current.
前级采用电压单环调制方式,后级采用三态滞环离散脉冲调制电流滞环跟踪控制技术。
The front stage uses the single-voltage-mode control strategy and the back stage uses the three states discrete pulse modulation hysteresis current control strategy.
本文提出了电流型逆变器-感应电动机变频调速系统中电机驱动恒功率负载时,系统以最大效率运行的节能控制方式。
This paper proposes an energy saving control mode for current source inverter(CSI) induction motor drive system with the motor driving a constant power load.
控制系统可以单独控制电机的转速和无功功率,使其工作在超同步、亚同步、转子电流量最小和全补偿工作方式下。
The machine can be operated in sub-synchronous, super-synchronous speeds, minimum rotor current and full compensation when adjusting the speed and reactive power independently.
采用双极调制方式单周控制APF补偿后的电源电流中存在直流分量。
There are DC off-sets in the compensated source current of the APF with one-cycle control under bipolar modulation.
该芯片采用电流模控制方式,因此对电源电压的响应和对负载变化的瞬态响应迅速。
The chip is adopted current-mode control, so that either its response to the supply voltage or its transient response to load changes is fast.
叙述了矢量控制方式,坐标变换,速度及电流控制等,通过负载试验运行结果证明了这种变频器的特点。
The article describes the vector control mode, coordinate transformation, speed and current control etc. The features above have been proved by overload experimental running.
在电流工作方式下,通过设计优化的存储单元、新型高速电流灵敏放大器以及一种灵敏放大器控制信号产生电路,提高了寄存器堆的读取速度。
High speed is achieved by using current mode techniques, which include designing optimum register cell, new high speed current sense amplifier and sense amplifier control signal generator.
首先通过对并网逆变控制策略的对比与分析,采用三角波比较方式的电流跟踪方式作为课题的控制方式。
First, compare and analysis the grid inverter control strategy, using triangular wave comparison method of the current track approach as the subject control mode.
由于这种控制方式具有响应时间快,稳定性高,内在限流保护等特点,因此近年来电流模式控制方式在电源管理芯片中得到了广泛的运用。
Due to its characteristics of fast response, good stability, inherent current limiting, current-mode controller has been widely applied in power management circuits.
由于这种控制方式具有响应时间快,稳定性高,内在限流保护等特点,因此近年来电流模式控制方式在电源管理芯片中得到了广泛的运用。
Due to its characteristics of fast response, good stability, inherent current limiting, current-mode controller has been widely applied in power management circuits.
应用推荐