High efficiency and high power factor are characteristic of rare earth and permanent magnetism and synchronous motor. lt is a energy saving product.
稀土永磁同步电动机具有效率高、功率因数高的特点，是一种高效节能产品。
This paper describes the efficiency, power factor and other parameter features of the synchronous electric motor.
本文介绍了异步电动机的效率、功率因数和其他参数的特性。
Experiments result shows that this control system increase work efficiency and power factor by applying nearby capacitance compensation theory. The control system processes fine saving energy effect.
实验结果表明该节能控制系统利用就地电容补偿原理，降低了抽油机的总损耗，提高了工作效率和功率因数，具有较好的节能效果。
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。
But the emphases of the design for an inverter-driven induction motor are the efficiency, power factor, elevated temperature in the variable speed range, and dynamic response.
而变频调速电机的设计重点是在调速范围内的效率、功率因数、温升，以及动态响应性能等。
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 approach, which takes the ratio of the stator voltage to current as the control criterion, improves the efficiency and power factor of asynchronous motors.
仿真计算及实验结果表明该控制方案可以使异步电动机在不同的负载下均呈现出较高的效率，并且兼顾提高功率因数。
Electric saver can improve the power factor, reducing input current, lighting the transformer's load, and increasing efficiency and transformer's volume.
提高功率因数，降低输入电流，减轻了变压器的负荷并提高了效率，增大了变压器的容量。
Using magnetic sleeve can raise not only motor's efficiency and power factor but also the motor's torque.
而用磁性套筒改造电动机，不但可以提高电动机的效率、功率因数，而且其转矩比改造前也有所提高。
The degree to which the property right of factor has been realized depends on two aspects: efficiency factor and power factor.
要素产权的实现程度，主要取决于效率因素和权力因素两个方面。
Results showed that the technique had well practicability and the motor satisfied the request of the torque and the wide speed band with improved efficiency and power factor.
样机的分析结果表明电机系统在满足提供大转矩和宽调速范围运行要求时，具有较高的运行效率和功率因数，而且该方法具有良好的可操作性。
Compared with the conventional TIG welding machine, this new inverter proves to have much higher efficiency and power factor, less volume and weight, and especially, more precise parameter control.
该焊机由于采用了中频逆变技术，使其效率和功率因数都有较大幅度的提高，不但减小了体积，减轻了重量，而且具有比传统TIG焊机更精密的控制、调节性能等。
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 development of permanent magnet electrical machinery with high efficiency and high power factor supply new ways for water pump saving energy.
高效、高功率因数的稀土永磁电机为水泵节能开辟了新途径。
In solar power generation, the Angle of the battery plate facing sun and sunlight is a key factor determining the efficiency of solar power generation.
在太阳能发电中，电池板受光面与太阳光线的角度是决定太阳能发电效率的关键因素。
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 line exits power factor lower phenomenon that may increase virtual current and decrease operation efficiency of equipment.
线路普遍存在的功率因数偏低现象，一方面会增加电网无功电流，另一方面会使电气设备运行效率降低。
High power factor, high efficiency, low noise, is the character that power supply and electronic equipment pursuing.
高功率因数、高效率、低噪音是电源装置和用电设备普遍追求的品质。
The saving energy control system is proposed for problem of oil drawing machine electric driver which efficiency and power factor is low.
针对抽油机电驱动装置效率和功率因数低、耗能严重的问题，研制了一台新型的抽油机节能控制系统。
It adopts bidirectional switch and on time rectification, and obtains high power factor, high efficiency and low THD.
它采用双向开关和同期整流，得到了高功率因子、高效率和低高次谐波。
Increasing core length properly can raise motor efficiency and power factor, but it will reduce locked-rotor torque ratio and breakdown torque ratio.
适当增加铁心长度可以有效提高电机效率和功率因数，但会导致启动转矩倍数和最大转矩倍数减小。
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。
In addition, the test method of the efficiency of the combination of motor-oil cylinder and the effect of power factor on efficiency is proposed.
此外，还给出了电机—油泵组合体的效率测试方法及功率因数对效率的影响。
This paper explained in brief the relation of three-phase asynchronous motor among efficiency, power factor, load rate and power and every power saving measures.
本文简述了三相异步电动机运行中的效率、功率因数、负载率和功率的关系及各种节电措施。
Within the entire operating range, high efficiency, specific power, and high power factor, high reliability.
整个运行范围内，效率高、比功率大、功率因数高、可靠性高。
In addition, the dispersibility has great effects on the noload current and power factor while the effect on rated efficiency and rated current is little.
永磁体分散性对空载电流、空载功率因数、负载功率因数和过载能力影响较大，而对额定运行时的效率、电流影响不大。
Boiler efficiency is an important economic index of thermal power plant, and fly ash combustible content is the important factor that influences the boiler efficiency.
锅炉效率是发电厂的一个重要经济指标，而飞灰可燃物含量是影响锅炉效率的重要因素。
Factor supporting antitrust regulation is not enterprise's scale but transaction costs, enough of which will engender serious problems of entry barrier and non-efficiency market power.
支持反垄断规制的不是企业规模，而是交易费用，足够的交易费用会造成严重的进入壁垒问题，进而产生严重的非效率式市场力量和非效率利润。
And through to the bond power and the bond length analysis, proposes the efficiency influence factor of anchor, the best bond length and so on.
并通过对粘结力与粘结长度分析，提出影响锚固效率的因素、最佳粘结长度等。
This paper presents the design and implementation of a zero-voltage-transition power factor correction (PFC) converter having high power factor, high efficiency, and low harmonic line current.
本文研制一个具有高功率因数、高效率、低谐波且可操作于高频之零电压切换升压型功因修正器。
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