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- RT power factor per phase 实时每相功率因子
- Average power factor per phase 平均每相功率因数
- Single Phase IOH PWM rated at 35 Ampere per Phase. 单相脉宽调制IOH额定三五安培每阶段。
- 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。
- Voltage Control and Power Factor correction. 电压控制与功率因素调整
- VTT powered by Dual phase PWM rated at 35A per phase. VTT电压供电双三相PWM额定35A条每阶段。
- 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。
- Because of the poor power factor and other concerns regarding a large phase back, multiple tap transformers are recommended even when the control device is a SCR. 由于缺乏能量的因素还有关于多了一大段的关系,即使当使用可控硅整流器时也推荐使用多插孔变压器。
- Taking two power cells cascaded per phase as an example, the topology of cascaded Hbridge multilevel converter and carrier phase-shifted SPWM (CPS-SPWM) modulation strategy are introduced. 以单相两功率单元级联为例,阐述了级联H桥五电平变流器的拓扑结构和载波相移SPWM(CPS-SPWM)调制策略。
- Features: single phase, capacitor driven asynchronous motors, small startup current, high efficiency and power factor, stable operation, etc. 特点:该机为单相电容运转异步电动机,具有启动电流小,效率和功率因数高,运行稳定等优点。
- Whether actual current can track reference current well will affect the control performance of three phase rectifier with unity power factor. 在三相单位功率因数整流器中 ,实际电流能否跟踪参考电流将影响整个系统的控制性能。
- Twelve elements connected four in series per phase on 240 volts would make a balanced three phase 240 volt network. 12根硅碳棒每4个串联在一起,每一段接在240伏特的电压下,那么同样的三组并联在一起就可以保持平衡。
- According to the requirement of controlling the unity power factor rectifier, a novel method , a phase locked loop (PLL), is used to track the phase of fundamental voltage. 针对单位功率因数整流器的控制要求,提出了一种利用锁相环(PLL)来检测基波电压相位,控制整流器交流侧电流与交流侧基波电压同相位的控制策略。
- The power factor (pf) is the ratio of average power to apparent power. 功率因数是有功功率与视在功率之比。
- Automatic compensation load reactive power, enhancing the load power factor. 自动补偿负荷无功功率,提高负荷功率因数。
- Twelve Elements connected four in series per phase, these three groups then in a delta, on 240 volts would make a balanced three phase 240 volt network. 12根贵碳棒每4个串联在一起,每一段接在240伏特的电压下,那么同样的三组并联在一起就可以保持平衡。
- Texas Instruments Incorporated, “UC3854 High Power Factor Preregulator” 1999. 梁适安著,“高频交换式电源供应器”,民国84年,全华科技图书。
- This paper introduces Fairchild?s distributed VRM in the form of several modules each is capable of delivering up to 40Amps per phase at efficiency over 80%. 本文介绍了飞兆半导体公司用多个模块组成的分布式电压调节模块(VRM),每个模块都能提供高达每相40A的电流,而效率超过80%25。