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- Study of Dual PWM Three Level Converter Drives System 三电平双PWM变频调速系统研究
- 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。
- 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。
- Induction motor (IM) drive system fed by dual PWM was concerned of its characteristic of working in four quadrants, almost sinusoidal-wave current at grid side and controllable power factor, etc. 摘要基于双PWM技术的异步电动机传动系统以4象限工作、网侧电流近似正弦和功率因数可控等特性受到广泛关注。
- Study of Three Level PWM Power Amplifier for AMB 电磁轴承三电平PWM功率放大器研究
- 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。
- Team Explorer supports three levels of refresh. Team Explorer支持三个级别的刷新。
- There are three levels of challenge champion prize. 冠军有挑战三个等级奖金的机会。
- 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。
- Study of Harmonic Voltage Source with Dual PWM Controller 采用二重化技术实现的谐波电压源研制
- A momentum transfer of a moving three level atom interacting slantingly with a standing wave laser field is analysed. 分析了一个运动的三能级原子与一个驻波激光场在斜交相互作用时的动量传递行为。
- A three level LLC resonant converter is proposed by combining three level technique and LLC resonant technique. 将三电平技术和LLC谐振变换器结合起来,提出三电平LLC谐振变换器。
- This safety orientation is sectioned off into three levels. 本安全目标培训分为三级
- Three level EHS education is basic on educational system concerning EHS for the company. 环境安全健康三级教育，是公司环境安全健康教育的基本教育制度。
- An airplane with wings placed above each other in three levels. 三翼机具有三个重叠的机翼的飞机
- Keywords AC excited;VSCF;wind power generation;DFIG;dual PWM Converter; 交流励磁;变速恒频;风力发电;双馈型异步发电机;双PWM型变换器;
- The three levels of management are top, middle, and supervisory. 管理的三个层次分别是上层、中层和督导管理层。
- Scientific utopianism can be understood from three levels. 科学乌托邦主义，可以从三层意义上来理解。
- The gold foil divides into three levels according to the purity. 金箔依纯度分为一毛金、二毛金、三毛金等。
