Line - start permanent magnet synchronous machine has high efficiency and power factor.

异步起动永磁同步电动机具有较高的功率因数和效率,同时具有异步起动能力.

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Low harmonics, high power factor, and the ballast with.

低谐波 、 高功率因数 、 带有滤波器件的整流器.

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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.

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This paper introduces a device of power - factor automation compensation.

介绍一种自行研制的高压电网微机功率因数自动补偿装置.

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You should measure the voltage, current, power and frequency during the test.

在试验中你应测量电压 、 电流 、 功率因数和频率.

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It is real power ( kW ) divided by the power factor ( PF ) .

它等于有功功率 ( kW )除以功率因数.

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Performance at the unity power factor for a 5 bus power system.

表现在单位功率因数为5总线电源系统.

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Because of application of rectifier set , the natural power factors were decreased.

晶闸管变流装置的应用, 使电力系统的自然功率因数下降.

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Some method of raising power factor is presented in this paper.

本文介绍了几种提高家用电网功率因数的方法.

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Operating principle and application of PFC controller NCP 1601.

NCP1601型功率因数校正控制器的原理及应用.

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In this paper, the problem of how to design the APFC ActiveCorrector has been studied.

本文主要研究了功率因数校正芯片的设计问题.

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Moreover users can set some parameters such as power factor upper limit limit and so on.

同时用户可根据需要设定功率因数上、下限,过电压值等参数.

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It emphasizes in discussing the configuration of voltage network and asynchronous motor's capacity in reactive compensation.

结合应用实例说明采用无功补偿技术,提高低压电网和用电设备的功率因数,已成为节电工作的一项重要措施.

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The movement of reactive power influences the power factor and power supply quality.

无功功率的变化直接影响着用户的功率因数及供电电压质量.

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Efficiency and power factor are two important parameter in electrical and electronic engineering.

效率和功率因数是电气与电子工程中的两个重要参数.

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