Elements that affect the output power factor Angle are analyzed, the basic principle of constant power factor Angle control is studied and its realization scheme is presented.
分析了影响功率因数角的因素,研究了定角控制的基本原理,给出了定角控制方法的实现方案。
It is an important factor for the perfect matching between the maximal input power of the hydraulic oil pump and the maximum output power of the engine in the design process of the hydraulic shovel.
液压油泵的最大输入功率与发动机的最大输出功率之间的匹配问题是液压挖掘机设计过程中的一个重要内容。
Two circuits, characterized by high Power Factor and low output voltage, are proposed.
这两种电路都具有功率因数高、输出电压较低等特点。
Experiment result showed, the topology can make the device get to high Power Factor (PF), low Total Harmonic Distortion (THD) of input current, low ripple of output voltage, and high efficiency.
实验结果表明,应用该电路拓扑的实验装置,其功率因数较高,输入电流的总谐波畸变较低,输出电压纹波小,而且整个装置的效率也比较高。
Synchronous motor excitated magnet by direct current can make output mechanism specialities matched load specialities by means of adjusting exciting current to change magnetic field and power factor.
这是因为电励磁的同步电动机可通过调节励磁电流来改变其磁场和功率因数,使输出的机械特性与负载特性相匹配。
The paper analyzes the vector control theory for doubly fed induction generator, Maximal Power Point Track (MPPT) and control strategy for the unity power factor of stator output.
阐述了双馈发电机的矢量控制原理及其相应的最大功率点跟踪和发电机定子侧输出单位功率因数的控制策略。
Simulation and experimental results show that the proposed converter has sine wave input current and output voltage, low harmonic content, adjustable power factor, and zero voltage commutation.
仿真和实验结果表明:所提出的变换器输入电流和输出电压为正弦,谐波小且输入功率因数可控,并可实现零电压换流。
We studied the feasibility of a linear generator (LG) that is integrated into an existing SCM, improved the output, power factor and measuring system, and tested it on the Yamanashi Maglev test line.
文章提出了将线性发电机(LG)并入现有SCM以提高输出功率、改善功率因数和测量系统的可行性,并在山梨磁悬浮试验线进行了试验。
The main factor limiting the output energy and efficiency of high power solid state laser drivers used in ICF is the small-scale self-focusing.
用于惯性约束核聚变(icf)的高功率激光在传输中的小尺度自聚焦是使光束质量变坏和限制输出功率的主要因素。
The theory analysis and experimental research proved that above system has excellent dynamic and static performance, and with better torque output, power factor and device capacity.
理论分析和实验研究证明了上述系统具有优良的动静态性能,并且在转矩输出、功率因数及装置容量等方面具有良好的综合性能指标。
We calculated longitudinal confinement factor, threshold gain, optical gain and output power etc through theoretical model.
根据理论模型计算了纵模限制因子、阈值增益、光增益、输出功率等特征参数。
Experiment results showed that the correction device of power factor could realize high power factor, low harmonic distortion and low ripple of output voltage.
通过实验结果表明,单级功率因数校正装置可以实现较高的功率因数、较低的总谐波畸变,而且输出电压纹波小。
Since power is proportional to the square of the voltage, if the input signal is increased by a factor of two, the output signal is increased by a factor of four.
由于功率与电压平方成正比, 因此如果输入型号增大至两倍,输出信号将增大至四倍。
The biggest single factor influencing lumen output on this projector is not the lamp power mode, but rather the position of the zoom lens.
最大的唯一因素影响流明输出在这台放映机是没有灯力量方式,而是宁可变焦镜头的位置。
Stable output voltage and input power factor is available by direct adjustment of the amplitude and phase angles of the control voltage for 4qs converter.
通过直接调节四象限变流器控制电压的幅值和相角,达到稳定输出电压和输入功率因数的目的。
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。
Inhomogeneous distribution of radial temperature is major factor resulted in output power restriction.
指出径向温度分布不均匀是导致输出功率受限的主要原因。
The limiting factor in output power is the average dissipation of the output devices.
制约因素是在输出功率的平均损耗的输出设备。
High power factor stabilized voltage supply is a kind of high performance alternating current power supply which can not only steady the output voltage but also enhance the input power factor.
高功率因数稳压电源是一种既能起到稳压作用又可以提高电源输入端功率因数的高性能交流电源。
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。
The pumping method has become the key factor which affects the output power of fiber lasers.
抽运方法已成为影响光纤激光器输出功率的关键因素,有比较重要的意义。
Built in power factor improved line (PFC), which makes it produce higher efficiency and greater output power.
内建功率因素改善线路(pfc),使得它产生更高的效率和输出更大的功率。
These amplifiers offer high, stable power output and a high efficiency factor on the high performance level and are therefore the ideal choice for driving a multitude of mobile and club systems.
这些放大器提供高,稳定的电力输出和高效率因素对高性能水平,因此,驾驶的理想选择多种移动和俱乐部系统。
It adjusts some technical parameters, such as the output DC voltage adjustable range, efficiency and power factor, wide band noise voltage, static regulation value.
调整了直流输出电压可调节范围、效率与功率因数、宽频杂音电压、稳压精度等指标。
The problem of annual arc welding power source whose output is surge and power factor is lower, is solved by means of main circuit, arc ignition circuit and arc static circuit working together.
通过主回路、引弧电路、稳弧电路的共同作用,解决了一般弧焊电源输出脉动大、功率因数低的缺点。
Numerical calculation indicates that the power output for Brayton reaches higher than 99% of that for Carnot as the factor equals to 1. 5.
数值计算显示,当布雷顿循环的工质热容率为高、 低温侧换热器的热导率总量的1.5倍时,布雷顿循环的功率已为卡诺循环功率的99%以上。
The results show that fine coal was effectively dewatered by microwave heating, and the primary influential factor is microwave output power.
结果表明,微波加热能够有效地除湿细粉煤,微波加热功率对细粉煤除湿率的影响最大。
The results show that fine coal was effectively dewatered by microwave heating, and the primary influential factor is microwave output power.
结果表明,微波加热能够有效地除湿细粉煤,微波加热功率对细粉煤除湿率的影响最大。
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