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- dual PWM frequency converter 双PWM变频
- 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。
- double PWM frequency converter 双PWM变频器
- How do you change the PWM frequency? 怎么样改变你的pwm频率呢？
- Low pass filter is used to filter PWM frequency on the BEMF signal. 通常使用低通滤波器来滤除PWM波对反电动势的影响。
- VFC? Voltage to Frequency Converter? 电压频率变换器?
- Study of Dual PWM Three Level Converter Drives System 三电平双PWM变频调速系统研究
- It is charecterized by reliable quality and stable performance,stepless speed adjustment through a frequency converter,photodetection and dual tracking,capable of effective and accurate operation. 质量可靠，性能稳定。
- Purpose: UHF frequency converter, local oscillator，wide band am plifier. 用途:用于超高频频率转换,负载振荡器,宽频放大。
- 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。
- 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;
- Programmable controller, man-machine interface and frequency converter are of Japanese "Mitsubishi" brand. 可编程控制器、人机界面、变频器采用进口产品。
- The testing system was mainly composed of PLC, MMI, frequency converter, approach switch and acceleration transducer. 并通过plc、MI、频器、近开关、速度传感器等组成的控制系统完成了对零部件的振动试验。
- Bear the function of spare unit but consume you less investment when compared with frequency converter. 相比变频,多了备用机的功能,投资反而更少了。
- Cost you less than frequency converter but save you more energy in a certain range. 比变频的投资更少,在部分范围更节能。
- DUAL PWM CONVERTER AND VOLTAGE HYSTERESIS CONTROL BASED POWER QUALITY SIGNAL GENERATOR 基于双脉宽调制变换器和电压滞环控制的电能质量信号发生装置
- The switchgear cabinets for this crane series feature frequency converter technology. 此系列起重机的开关箱采用变频器技术。
- This paper describes a Static Phase Advancer using thyristor AC-AC frequency converter which is designed for asynchronous induction motor. 介绍了一种由可控硅构成的交交变频器为主要结构的异步电动机静止进相器。
- 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
- The New Techniques Development of High Voltage High Power Frequency Converter of ABB Co. ABB高压大功率变频器的最新技术发展
