您要查找的是不是:
- 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。
- C. S. Lin and C. L. Chen, "A Novel Single-Stage Push-Pull Electronic Ballast with High Input Power Factor," IEEE Trans. Ind. Electron., vol. 48, no. 4, pp. 770-776, Aug. 2001. 颜永昌,吴英泰,陈慕平,翁上珍,"主动式功因修正器",电力电子技术第28期,民国八十四年八月。
- The HV9931 is a fixed frequency PWM controller designed to drive proprietary single-stage single-switch no-isolated topology,cascading an input power factor correction(PFC)buck-boost stage and an output buck converter power stage. HVV9931是一个设计用于驱动专利单级单开关非隔离拓扑,级联一个输入PFC降压-升压级和输出降压变换器级的固定频率PWM控制器。
- Discussion on Input Power Factor of Matrix Converter Using Switching Function Algorithm 利用开关函数算法探讨矩阵式电力变换器的输入功率因数
- The output power can never equal the input power, for there are always losses. 输出功率绝不能等于输入功率,因为总存在着损耗。
- This method changes the input power of the motor. 此种方法改变电动机的输入功率。
- The input power is also provided by a DC motor. 输入动力也是由直流电机提供的。
- Voltage distortion and power factor lag. 电压波形失真及功因低落。
- VoltageControl and Power Factor correction. 电压控制与功率因素调整。
- input power factor 输入功率因数
- Voltage Control and Power Factor correction. 电压控制与功率因素调整
- Power gain (18) The ration of output power to input power. 功率增益(18)輸出功率對輸入功率之比值。
- Compared to conventional single-stage topology, input current is well corrected and power factor appropriates to 1. 与传统单级结构相比,新拓扑输入电流校正效果明显,功率因数接近1。
- Power Factor Correction must be connected to the input of the soft starter. Failure to do so will result in SCR damage. 功率因素校正器必须与软起动器的输入端相连接,否则导致SCR损坏。
- MCU power meter routines, according to the input signal computing power factor meter program! 单片机电能表例程,根据输入信号计算功率因数的电表程序!
- The output power can never equal the input power,for there are always losses. 输出功率绝不能等于输入功率,因为总存在着损耗。
- Displacement factor, power factor of the fundamental. 位移因数;又称基波功率因数。
- Improve the power factor and reduce the reactive power dissipation. 提高系统的功率因素,减少无功损耗。
- The relationship among input current harmonic distribution and power factor, total harmonic distortion, psophometric interference current, are discussed. 在此基础上进一步探讨了变流器功率因数、输入电流总谐波畸变率以及等效干扰电流等与谐波分布之间的关系。
- In order to improve power factor of switching power a 150W AC/DC converter with universal input and fixed output voltage is analyzed and then designed based on TDA16888. 摘要为了提高开关电源的功率因数,该文以功率因数控制芯片TDA16888为核心,设计了一种宽电压输入范围、固定升压输出150W的AC/DC变换器。