• Among the three-phase power-factor correction circuits, the full decoupling circuit is especially suitable for high power fields because of its high input power and good electrical performance.

    三相功率因数校正电路中,解耦型电路由于输入功率电气性能较好优势特别适用于大功率场合。

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  • High power factor at ac input can be achieved by controlling the switch of capacitor charge circuit.

    通过电容器充电回路开关管进行控制实现交流输入端的功率因数

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  • How to consider harmonic suppression and power factor compensation comprehensively?

    谐波治理功率因素补偿如何综合考虑

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  • One of the key factors of affecting power factor of rectifiers is control technique.

    控制技术影响整流器功率因数关键因素之一

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  • As for the problem the high current and the vibration of the torque, the double closed loops which include the current and power factor Angle are worked out.

    对于电动机起动需要控制起动电流震动问题采用闭环的控制方案,电流闭环控制和功率因数角闭环控制。

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  • The effect on the generator excitation magnetic field is different when the capacity and power factor of load are different, and the effect on the internal impedance voltage drop is different, too.

    不同容量负载以及负载不同功率因数同步发电机励磁磁场作用不同的,对同步发电机的内部阻抗的作用也是不一样的。

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  • Apply150% rated load at rated power factor and measure the time required for the inverter protective devices to operate.

    额定功率因素上施加150%额定负荷测量逆变器保护装置启动所需时间

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  • Grid voltage in accordance with corporate standards and requirements for power factor to determine the motor's voltage rating and type.

    根据企业电网电压标准功率因数要求确定电动机电压等级类型

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  • The harmonic problems, such as distorting supply voltage, decreasing power factor, increasing energy loss, interfering with communication systems etc. are discussed in the part one.

    一部分讨论各种谐波问题使供电电压畸变,降低功率因数增加能量损耗干扰通讯系统

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  • The basic purpose of a shunt capacitor bank is to increase the local circuit voltage and or reprove the load power factor carried by the circuit.

    并联电容器组的基本目的提高当地线路电压提高引线路负荷功率因数

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  • It is easy to use, reliable, inexpensive, solid structure, but the lower power factor, speed is also more difficult.

    使用方便运行可靠价格低廉结构牢固功率因数较低调速困难

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  • The DRM has been used for justification of increasing core power factor in Daya Bay NPS18-month fuel cycle project.

    方法大亚湾核电站18个月换料项目提高功率因子的分析论证中应用

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  • 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功率因数特点一种高效节能产品

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  • Speed regulation system using cascade control method with thyristor is a low-cost system, but the classic system has some shortages, such as low power factor, serious harmonic pollution and etc.

    调速系统一种廉价、简易的调速系统,但是传统串调系统存在着诸如功率因数谐波污染严重弊端

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  • It is pointed out that the power factor requirement for users is too low and should be raised.

    文中认为,目前电力用户功率因数要求偏低建议提高。

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  • The simulation result shows that the DSP controller has very fast dynamic response and unity power factor, flexible control and simplified hardware design.

    仿真结果表明DSP控制器可以获得较高的功率因数,且具有快速的电路动态响应灵活控制方法以及简洁硬件设计等特点。

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  • This paper discusses the basic principle which the inverted firing angle of thyristor inverter has the influence on power factor of a cascade connected device.

    本文论述了可控硅逆变器逆变影响级调速装置功率因数基本原理

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  • It can obtain the improve of power factor of the input motor power, and can lighten its capacity.

    实现电机输入电源功率因数改善减轻容量

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  • Operating principle of power factor compensating device for 8k electric locomotive is briefly described as well as its parameter selection, switching on and off control.

    本文概述8K机车功率因数补偿装置工作原理参数选择投切控制

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  • This pattern is not only influenced the competitiveness of the Chinese iron ore, is unable to get negotiations in the bargaining power factor.

    这种格局不仅影响企业自身竞争力,也是中方铁矿石谈判无法获得议价权的重要因素。

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  • History and reality showed that the big power factor including America, Japan, Russia and China effected through the peninsula reunification process.

    历史现实表明包括美国日本俄罗斯中国在内大国因素贯穿半岛统一进程之中。

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  • Then the capacitance is put in or taken out to compensate, so as to improve the power factor, and reach the aim of energy—saving.

    这时电容予以补偿改善功率因数达到节能目的

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  • High power factor, high efficiency, low noise, is the character that power supply and electronic equipment pursuing.

    功率因数高效率噪音电源装置用电设备普遍追求品质

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  • It adopts bidirectional switch and on time rectification, and obtains high power factor, high efficiency and low THD.

    采用双向开关同期整流,得到了功率因子高效率低高次谐波。

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  • The paper introduces the technique feature and the operation principle of chip CS5460A, and its application in high-accuracy power frequency voltage, current, power, power factor, frequency meter.

    本文介绍CS5460 A芯片特点工作原理及其高精度电压电流功率、功率因数、频率表中的应用

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  • The experiment results indicate the system has the characteristics of high power factor and low harmonic current.

    实验结果表明系统具有输出功率因数电网谐波污染等优点

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  • This phase advancer enhances the power factor evidently to realize the purpose of saving the energy.

    这种静止式进显著提高了功率因素达到节能目的

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  • This phase advancer enhances the power factor evidently to realize the purpose of saving the energy.

    这种静止式进显著提高了功率因素达到节能目的

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