Description: 三相异步电机无速度传感器直接转矩控制系统-three-phase asynchronous motor speed sensors direct torque control system Platform: |
Size: 14336 |
Author:颜面 |
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Description: 数字信号处理器在三相无刷直流电机、三相全控整流电路在线检测、数字变频启动控制系统的应用-Digital signal processors in the three-phase brushless DC motor, three-phase full-controlled rectifier line detection, digital frequency conversion control system to start the application Platform: |
Size: 142336 |
Author:frank |
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Description: C51,用三路开关量输出控制三相步进电机，步进电机分别按单三拍，双三拍，六拍方式运行，编写步进电机正转、反转一周的控制软件-C51, with three-way switches control the output three-phase stepper motor, stepper motor, respectively, by a single three-shot, dual three-shot, six shot run, the preparation of stepper motor is transferred, the control software inversion week Platform: |
Size: 831488 |
Author:watson |
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Description: 提出一种基于电压电流双环控制的三相SVPWM 逆变器,分析了其两相同步旋转坐标系下的数学模型
并由此构建了系统的电压电流控制器。为了提高系统的动态响应特性及抗扰能力,电压外环包含了负载电流前馈
及输出滤波电容电流解耦,电流内环包含了输出电压前馈及输出滤波电感电压解耦。20 kVA实验样机的实验结果
表明,该逆变器具有良好的非线性负载能力。-A dual-loop control of voltage and current-based three-phase SVPWM inverter, an analysis of its two-phase synchronous rotating coordinate system and thus build a mathematical model of the system voltage and current controller. In order to improve the system dynamic response and anti-interference ability, voltage ring contains load current feedforward and output filter capacitor current decoupling, current loop includes the output voltage feedforward and output filter inductor voltage decoupling. 20 kVA experimental prototype of the experimental results show that the inverter has a good non-linear load capacity. Platform: |
Size: 204800 |
Author:zh |
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Description: 三相电压型PWM整流器
空间矢量控制研究和仿真分析-Three-phase voltage type PWM rectifier with space vector control research and simulation analysis Platform: |
Size: 206848 |
Author:matlabman |
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Description: 基于内模控制的三相电压型PWM整流器不平衡控制策略研究，提供了不平衡状态下PWM整流器模型-Internal model control based on the three-phase voltage-type PWM rectifier control strategy for unbalanced study provides a PWM rectifier under unbalanced model Platform: |
Size: 393216 |
Author:陈天赐 |
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Description: 基于单位功率因数控制策略的三相全控整流。开关器件采用IGBT。PWM波形产生控制电路里使用的饱和限制模块，就是限制波形的幅度的，对输出直流电压幅值影响很大。-Based on the unity power factor control strategy of three-phase full-controlled rectifier. Switching device IGBT. PWM waveform generator control circuit in the saturation limit the use of modules, is to restrict the range of waveform and amplitude of the output DC voltage impact. Platform: |
Size: 8192 |
Author:雷宾 |
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Description: Among many types of the
motors, three-phase induction machines still enjoy the same unparalleled
popularity as they did a century ago. At least 90 of industrial drive
systems employ induction motors.
Most of the motors are uncontrolled, but the share of adjustable speed
induction motor drives fed from power electronic converters is steadily
increasing, phasing out dc drives. It is estimated that more than 50 billion
dollars could be saved annually by replacing all "dumb" motors with
controlled ones. However, control of induction machines is a much more
challenging task than control of dc motors. Two major difficulties are
the necessity of providing adjustable-frequency voltage (dc motors are
controlled by adjusting the magnitude of supply voltage) and the nonlinearity
and complexity of analytical model of the motor, aggrandized by
parameter uncertainty.
- Among many types of the
motors, three-phase induction machines still enjoy the same unparalleled
popularity as they did a century ago. At least 90 of industrial drive
systems employ induction motors.
Most of the motors are uncontrolled, but the share of adjustable speed
induction motor drives fed from power electronic converters is steadily
increasing, phasing out dc drives. It is estimated that more than 50 billion
dollars could be saved annually by replacing all "dumb" motors with
controlled ones. However, control of induction machines is a much more
challenging task than control of dc motors. Two major difficulties are
the necessity of providing adjustable-frequency voltage (dc motors are
controlled by adjusting the magnitude of supply voltage) and the nonlinearity
and complexity of analytical model of the motor, aggrandized by
parameter uncertainty.
Platform: |
Size: 8368128 |
Author:kumar |
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Description: 本文以双Pwm变换器为基础，分析论述了电力电子装置的整流、逆变和回馈状态的国内外发展状况。随着科学技术的发展，电力电子装置的低功率因数和高谐波污染已经成为电网的两大主要危害，因此提高系统功率因数便是电力电子技术的发展趋势，本文阐述了功率因数的定义，脉宽调制的种类以及电压
型PWM变换器的原理、控制方法等内容，比较了脉宽调制的各种类型，详细推导了三相电压型PWM变换器的数学建模，指出系统各种控制方法的优缺点，着重表达了二相调制脉宽空间矢量WPM的算法推导，选用了系统主控芯片，编写了系统软件程序，设计了交一直一交的主电路结构，针对控制系统的要求，论
文对影响系统性能的几个主要参数进行了理论分析、推导和数值计算。
本文用Matalb仿真软件，对整个控制系统的动态性能进行了仿真与分析，验证了系统理论的正确性和可应用性，对样机的研制提供了强有力的指导作用。
论文最后，讨论了样机实验。通过一系列的实验，记录、分析样机在各种状态下的波形和数据，得出结论，做出展望，为课题的进一步研究打下了一定的基础。
-In this paper, double-Pwm converter, based on analysis of power electronic devices discussed rectifier, inverter and feedback status of domestic and foreign developments. With scientific and technological development, low-power electronic devices, power factor and high harmonic pollution has become the network s two main hazards, thus improving system power factor is the development trend of power electronics technology, this paper, the definition of power factor, pulse-width modulation types as well as voltage
-Type PWM converter principle, control methods, content, comparison of various types of pulse-width modulation, detailed derivation of the three-phase voltage-type PWM converter mathematical modeling, pointing out that the system s advantages and disadvantages of various control methods, focusing on expression of two-phase space vector pulse width modulation algorithm derived WPM, choose the system master chip, the preparation of the system software program designed to pay a d Platform: |
Size: 3617792 |
Author:狼狼 |
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Description: 新型软件锁相环的三相电压型PWM整流器的控制-The new software, three-phase PLL control voltage type PWM rectifier Platform: |
Size: 582656 |
Author:wrewt4t |
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Description: svpwm 模型 可用于三相PWM整流 电机控制，参数可调-svpwm model can be used for three-phase PWM rectifier motor control, parameter adjustable Platform: |
Size: 15360 |
Author:linfy |
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Description: 基于DSP2407的三相PWM整流器和逆变器，均采用解偶矢量PWM控制。-based on dsp2407, three phase pwm rectifier and inverter, both apply decoupling and SVPWM control. Platform: |
Size: 87040 |
Author:wangbin |
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Description: 三相PWM整流器滞环控制策略的SIMULINK仿真，参数已设，经过验证，符合要求-Three-phase PWM rectifier control strategy Hysteresis SIMULINK simulation parameters have been set, after verification, to meet the requirements Platform: |
Size: 11264 |
Author:牛伟 |
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Description: 基于matlab的电压电流双闭环的三相并网逆变器模型，采用电压外环及电流内环控制方式-Matlab-based dual-loop voltage and current three-phase grid-connected inverter model, the outer voltage loop and inner current loop control Platform: |
Size: 10240 |
Author:cai |
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