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- The emphasis is put on analysis and comparison in technical specialities of cycloconverter, three level PWM and LCI system. 重点对交-交变频传动、交-直-交三电平电压型PWM变频传动、负载换向变频传动等几种主回路接线方案的技术特点进行了分析比较。
- Study of Three Level PWM Power Amplifier for AMB 电磁轴承三电平PWM功率放大器研究
- Using Three Level PWM Inverter to Reduce the Common-Mode Voltage of the Inverter 大面积太阳电池特性曲线参数拟合
- The third, the characteristics of dual PWM converter and the gride-side PWM rectifier are analyzed. 再次,分析了双PWM型变换器的特点、电网侧PWM整流技术及其控制。
- The PWM rectifier is widely applied due to its superior performance awl potential superiority. 摘要PWM整流器以其优越的性能和潜在的优势得到了广泛地应用。
- According to the passivity of PWM rectifier, passivity power controller was designed by a new damping injection method. 基于整流器的无源性，采用新的阻尼注入方法设计无源功率控制器。
- The paper discusses the principle of the three-phase Voltage Source PWM Rectifier (VSR). 摘要通过讨论三相电压型PWM整流器的基本原理。
- This paper describes a control strategy for current-source space vector PWM, and the decoupling control of PWM rectifier. 文章采用电流空间矢量PWM调制方法,对脉冲整流器进行解耦控制。
- The operation principle and features of PWM rectifier as well as the design and configuration of control circuit are described. 介绍了PWM整流器的工作原理和特点、控制电路的构成和设计。
- The converter is composed by thyrister rectifier and IGBT inverter, and uses a PWM rectifier as a load to control output current. 辅助电源变流系统由晶闸管整流器和被测IGBT逆变器组成，负载采用PWM整流器控制输出电流。
- Vie design data mining tools based on three level structure of Clientj Server. 本文设计了一个基于C/S结构的数据采掘工具。 该工具采掘的数据源是银行卡系统的业务数据。
- Double-helix staircases link all three levels. 双螺旋楼梯将上下三层连接了起来。
- The converter is composed by thyrister rectifier and IGBT inverter,and uses a PWM rectifier as a load to control output current. 辅助电源变流系统由晶闸管整流器和被测IGBT逆变器组成,负载采用PWM整流器控制输出电流。
- Team Explorer supports three levels of refresh. Team Explorer支持三个级别的刷新。
- The experiment results indicate that the UPS using high frequency PWM rectifier has the characteristics of low harmonic current and high input power factor ,and has a good future. 实验结果表明 ,采用PWM整流电路的不间断电源具有注入电网的谐波电流小、输入功率因数接近 1等优点 ,是一种很有发展前途的不间断电源。
- There are three levels of challenge champion prize. 冠军有挑战三个等级奖金的机会。
- PWM rectifier might become an ideal electric appliance or a linkage between grid -line and other electric facilities,characterized of pollution-free and adjustable power factor. PWM整流器可成为理想的用电设备或电网与其它电气设备的接口，因为它可以实现无电网污染和可调整的功率因数。
- Now we divide the rural issues into three levels. 我们现在对农村这个问题有三个层次。
- DSP2407 controller is adopted to complete the research &development of three-phase PWM rectifier based on the per unit system and the current decoupled control. 采用DSP2407控制器、基于标幺值法及电流解耦控制完成了三相两电平PWM整流电源的研制。
- Simulation results verify the correctness of its operation principle and experimental results testify the feasibility of this kind of three-phase multilevel PWM rectifier. 仿真结果验证了其工作原理的正确性，而实验结果则验证了该类三相多电平脉宽调制整流器的实际可行性。
