The gird side converter is adopted DC voltage stable and unit power factor grid-connected control, and feedback the active power absorbed from the load side to the grid side.
网侧变流器采用直流电压稳定并保证并单位功率因数并网，并将负荷侧吸收的有功功率馈送回电网。
The three-phase PWM voltage source rectifier presented in this paper owns such features as constant output voltage, running under unit power factor and feedback of the power into the power networks.
三相电压型PWM整流器具有输出电压恒定、能实现单位功率因数运行的特点，甚至可以实现电能回馈电网。
Derived the formula for computing quadratic harmonics of output current in the single phase unit power factor ac DC converter based on analysis of the circuit module of the equivalent current source.
在基于对等效电流源电路模型分析的基础上，推导出了单相单位功率因数变流器输出电流二次谐波的计算公式，将输出二次谐波电流正、反向交替注入交流输入侧来抵消电流中的谐波。
In design process, however, the influence of medium voltage supply network and traction unit on power factor is often ignored.
设计工程中忽略中压网络、牵引机组对功率因数的影响。
To enhance the performance of UPQC, active power factor correction (APFC) technology is introduced into the DC energy storage unit of UPQC for capacitive voltage control.
为了进一步提高UPQC的性能，将有源功率因数校正(APFC)技术引入UPQC直流储能单元的直流电容电压控制，详细阐述了其工作原理，并给出了仿真实验结果。
Base on the current tracing PWM rectifier, a new structure is proposed by introducing a power factor adjuster in to realization power factor variable PWM rectifier unit.
在电流跟踪型pwm整流器的基础上引入功率因数调节器，实现PWM整流器的功率因数闭环控制。
The influence of each factor on product power per engery unit was obtained.
得到各挤压参数对单位功耗产量的影响大小的关系。
In our country, poor weather conditions are important factor in the design of wind power generating unit.
在我国，恶劣的气候条件是风力发电机组设计考虑的重要因素。
The active power factor correction(APFC) technology is introduced into the DC energy storage unit ofUPQC for capacitive voltage control.
将有源功率因数校正技术引入UPQC直流储能单元的电压控制。
The influence of variable load on a beam pumping unit on the electric current, input power, efficiency and power factor of the electric motor is discussed, and relevant calculating formulae are given.
讨论了游梁抽油机的变动载荷对电动机的电流、输入功率、效率和功率因数的影响，给出了计算公式。
The ratio of the power spectra of random array to whose unit is called the coherent factor.
无规排列功率谱与其单元功率谱的比值被称为干涉因子。
The angular distributions of power and radiation enhancement factor strongly depend on the position of acoustic source relative to the unit-cell where the source is placed.
我们数值地研究了镶嵌在方形排列的声子晶体中声源的能量辐射角度分布。结果表明，能量辐射角度分布和增强因子强烈地取决于源相对于所处单胞的位置的对称性。
The cleanliness factor of condenser water side tube wall has been calculated using Zhouxian Power Plant's No. 5 Unit as example. The results are coincided with that of the field test during overhaul.
以邹县电厂5号机组为例，计算了凝汽器水侧管壁清洁系数，所得结果与大修试验结果相吻合。
COD removal efficiency in the aerobic unit was the biggest factor affecting power consumption, followed by nitrogen and phosphorus.
而好氧单元中COD的去除率是影响电耗的最大因素，其次是氮、磷平衡率。
COD removal efficiency in the aerobic unit was the biggest factor affecting power consumption, followed by nitrogen and phosphorus.
而好氧单元中COD的去除率是影响电耗的最大因素，其次是氮、磷平衡率。
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