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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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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Line, bypass and power factor correction contactor coils can be directly controlled.

可直接控制线路 、 旁通和功率因素校正接触器线圈.

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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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Voltage Control and Power Factor correction.

电压控制与功率因素调整.

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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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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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In this thesis, a half - bridge charger, which includes zero - voltage switching and power factor correction, is implemented.

文中研制一部 半桥 式具 零电压 切换与功因校正转换器之充电器.

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To increase power factor, the current distortion can be reduced by harmonic suppression technology.

为提高逆变电源的功率因数, 必须采用谐波抑制技术降低输入电流的谐波畸变率.

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The constant power factor control is a simple and effective energy optimized control strategy.

感应电机的恒功率因数控制是一种简单、有效的能量最优控制方法.

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