• This effect can be measured in either the time domain by observing the rate of decay of voltage or in the frequency domain by measuring phase shifts between sinusoidal currents and voltages.

    这个效应可以时间通过观测电压衰变测量可以在频率域通过正弦电流电压之间相变测量

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  • In addition, the thesis analyzes the influence of the filter structure and parameters on the output DC voltage ripple and the shape of phase currents, as well as harmonics of phase currents.

    另外,还对滤波器结构参数输出直流电压脉动和发电机相电流波形影响相电流谐波进行了仿真分析

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  • A cosine phase shifter is applied in phase shifting circuit to meet the possible maximum trigger current and voltage of thruster.

    线路配有与移相器满足可控硅整流器最大可能触发电流电压

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  • The product of the effective values of the voltage and current with the cosine of the phase Angle between current and voltage in an alternating-current circuit.

    伏特量交流电路电压电流有效值以及电流与电压之间相位角余弦之乘积

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  • Voltage 220V, only one kind of plug, same as the 3 phase plug we use in China, the 2 phase can't be used there.

    电压220V插座只有,就是国内3插座,国内的2那里了的。

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  • A novel single - phase parallel hybrid power filter is presented in this paper, which can eliminate drawbacks of LC passive filter and the conventional voltage source parallel hybrid power filter.

    本文针对LC滤波器传统电压并联混合电力滤波器的缺点提出一种新型的并联混合电力滤波器。

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  • As another example, the logic state of the select signal can be changed in response to a change in the power supply voltage provided to the phase frequency detector.

    作为另一个示例选择信号逻辑状态响应提供脉冲频率检测器电源电压变化而改变

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  • This paper proposes a cascaded nonlinear PI controller for three-phase voltage source PWM rectifier, which is based on its model in synchronous reference frame.

    该文同步旋转坐标系模型基础,设计了三相电压PWM整流器联式非线性PI控制器

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  • The relations of the amplitude and the phase of the injected voltage by the series converter of the UPFC are defined in difference control patterns.

    确定统一潮流控制器不同调节控制方式下所对应串联注入电压幅值相位关系

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  • In the current set-up phase, the current response mainly depends on the DC voltage.

    电流建立阶段电流响应主要取决于直流母线电压

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  • On the basis of the mathematical model of AC induction motor in two phase axis system, the static measurement of electrical parameter for AC motor is completed using pulse voltage and pulse current.

    根据交流感应电动机静止坐标系数学模型采用脉冲电流法、脉冲电压法实现了交流电动机电气参数的静态测试

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  • In the moving vortex lattice phase the time dependent voltage is periodic with time, and the frequency of voltage is proportional to the current density.

    运动涡旋电压轨迹相对时间周期性的,振动频率电流密度正比

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  • The generator voltage is in phase with the system voltage.

    发电机电压系统电压同

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  • A plan for designing and setting up a model of moving graph for the symmetrical three phase voltage is proposed, and it is developed and used in the microcomputer.

    提出建立一个发生对称三相电压动画模型进行规划设计微型计算机上开发实施。

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  • This paper analyzes the forming process of unloading voltage and the relations among unloading voltage, phase electromotive force, exciting current and rotational speed in art alternator.

    分析了汽车发电机抛负载电压形成过程及其发电机的电动势激磁电流转速之间关系

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  • In this paper, the breaking transient formulas of terminal voltage and field current of synchronous machine with three phase symmetric load have been derived.

    本文导出同步电机三相对称负载突然拉开,电机端电压励磁电流瞬态过程中的解析表达式

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  • Only in each column over-voltage protector installed on each phase can get good protection effect.

    只有安装过电压保护器才能得到好的保护效果

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  • When a fault occurs on one phase of a 3-phase, 4-wire system, the other two phases rise in voltage relative to ground (about 20%).

    故障发生3相4线系统中的时,其它的对电压升高升高20%)。 好评(0)

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  • In this paper a new voltage compensator in electric distribution system is discussed, the design employs a PWM AC-AC converter (4, IGBTs per-phase) along with an auto-transformer.

    介绍配电系统中一种新型电压补偿器,即在自耦变压器中集成pwmAC - AC变换器(每相4个IGBT元件)。

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  • This paper investigates the DC breakdown voltage in the two-phase mixture that is composed of air and mist.

    研究空气组成混合两相体球-球电极中的直流击穿电压

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  • The principle and structure of the resonance-proof three phase voltage transformer used in the neutral insulation system are discussed. The connection errors brought about in operation are presented.

    论述中性点绝缘系统采用三相防谐振电压互感器原理结构,并指出了运行中容易发生的接线错误

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  • PT breaking and ferro-resonance caused by single-phase grounding and PT saturation are common faults in medium-low voltage power networks, which make voltage abnormal.

    在中低压电网中,PT断线单相接地由PT饱和引起的铁磁谐振均多发性的故障这些故障都能使电压异常。

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  • The harmonic characteristic of input current in single-phase voltage source PWM converter is analyzed theoretically.

    从理论上分析了单相电压pwm变流器输入电流谐波特性

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  • This paper mainly studies the coupling error caused by induction voltage phase difference, and fluctuation of directional sensitivity caused by changes in near-field difference slope.

    本文着重研究了因感应电压相位差引起耦合误差以及近场天线差斜率变化引起定向灵敏度变化

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  • Use is made of that zero-sequence transformer outputs a voltage signal when phase-failure occurs in three-phase induction motor.

    这种新方法基础变压器三相异步电动机断相输出一个电压信号

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  • Based on ADC subsystem integrated in C8051F005 chip, a new kind of data acquisition system of three-phase voltage was designed, which acted as the microcomputer.

    利用C8051F005单片机作为微处理器并基于其内部集成ADC子系统,设计种新型三相电压数据采集系统

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  • The circuit design and structure of single phase bridge voltage inverter are presented in detail. The main experimental waveforms are given.

    单相桥式电压型变频器线路设计结构了较为详细的介绍,给出了主要实验波形

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  • The circuit design and structure of single phase bridge voltage inverter are presented in detail. The main experimental waveforms are given.

    单相桥式电压型变频器线路设计结构了较为详细的介绍,给出了主要实验波形

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