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- PWM microelectronic c ontrol technique and AC DC AC DC invert technique with MOSFET half bri... 具有短接限流、限时衰减和恒流、恒压相结合的特点。
- In the system,Intel 80C196MC is used as control center and IPM is used as an intelligent power device in the main circuit of AC DC AC voltage type inverter. 该系统以80C196MC为控制核心,采用IPM智能功率模块为功率元件,组成了交?直?交电压型逆变器主回路。
- AC - AC matrix converter(MC) AC-AC矩阵变换器
- AC- DC- AC matrix converter 交-直-交矩阵变换器
- DC motor speed to achieve the first to convert AC DC, which requires rectification circuit. 要实现直流电机调速首先要把交流电转换为直流,这就需要整流电路。
- Does a Matrix Converter Need Energy Storage Elements? 矩阵变换器真的不需要贮能元件吗?
- In order to improve the performance of the AC adjustable speed system and reduce the pollution to power network, a compound control strategy that combines matrix converter (MC) with direct torque control (DTC) is proposed. 摘要为提高交流调速系统的性能,并且减小对电网的污染,提出了一种将矩阵式变换器与直接转矩控制相结合的组合控制策略。
- A Novel PWM ZVS AC DC Converter with PFC 新颖的含PFC的PWM ZVS AC-DC变换器
- In this paper,a speed sensorless direct torque control system and control means of AC motor based on matrix converter is proposed to reduce harmonic pollution and advance control accuracy. 提出了基于矩阵变换器供电的交流电动机无速度传感器直接转矩控制系统和控制方法,以降低谐波污染,提高控制精度。
- A speed sensorless direct torque control system and control means of AC motor based on matrix converter fed was proposed,for reducing harmonic pollution and advancing control accuracy. 提出一种基于矩阵变换器供电的交流电动机无速度传感器直接转矩控制系统和控制方法,以降低谐波污染,提高控制精度。
- Analysis and Design of a 500W AC DC Unity Power Factor Converter 500W 单位功率因数 AC-DC 变换器分析与设计
- The multilevel matrix converter is modeled and simulated with its output controllability discussed. 对多电平矩阵变换器进行建模和仿真,并探讨了其输出能控性。
- Violent power oscillation will occur in independent AC DC combined power supply and may hamper the normal operation when the parameters of the generator and the DC motor load do not match. 交直流一体独立发电机系统在发电机和负载参数不满足一定条件时 ,会发生发电机和反电势负载之间的大幅度功率振荡 ,破坏系统的正常工作。
- Tang N P, Fang X Y.Simulation model of matrix converter with current hysterisis control strategy[J].Power Electrics, 1999,29(5):52-54. [9]汤宁平;方旭阳.;电流滞环控制的矩阵变换器的仿真模型[J]
- The simulated study on a matrix converter (MC) is carried out based on space vector modulation (SVM) under balanced and unbalanced input voltages. 摘要针对平衡与非平衡输入电压对空间矢量调制的矩阵变换器进行了仿真分析。
- The over modulation strategy of matrix converter(MC) is put forward on the basis of conventional AC/DC/AC MC control theory. 本文在分析传统交-直-交矩阵变换器控制原理的基础上,提出了矩阵变换器的过调制控制策略。
- With the circuit analysis theory, the relationships between the parameters of input filter and the transient properties of the matrix converter are analyzed. 借助电路分析理论,分析了空间矢量调制矩阵变换器的暂态响应特性与输入滤波器参数的关系。
- AC DC dual purpose electric motor vehicl 交直两用电车
- Based on the principle of the two line voltage synthesis control for matrix converter,the method to indirectly generate the required PWM pulses is presented. 在分析了矩阵变换器双电压合成原理的基础上,针对该控制原理需要产生不规则的PWM脉冲,提出了一种新颖的脉冲间接产生方法。
- Based on the Direct Torque control , drive the induct motor by Matrix converter, apply The Direct Torque control theory to control induct motor and adjust speed . 本文的主要内容如下:从矩阵变换器的工作原理出发,对矩阵变换器建模分析,引出矩阵变换器的双空间矢量调制策略和虚拟等效电路;