The technology of line current raise is very important to improve the capacity of installation and economic benefits of aluminium corporations.
铝电解槽电流强化技术对挖掘现有设备产能、提高企业经济效益具有重要的现实意义。
It shows in theory that the frequency domain sounding in near zone of the line current source is possible.
通过对计算结果的分析,在理论上说明了线源频率域近区测深的可行性。
Moreover, three-phase four-wire active filters can suppress zero line current, and solve symmetric problem of system effectively.
另外,三相四线制有源电力滤波器能有效地抑制零线电流,并能有效地解决系统的不对称问题。
An electro optic hybrid current transformer (ct) is DE vised which is used in measuring the super voltage station's line current.
研究了一种用于测量高压电站中输电线电流的光电混合式电流互感器。
Even if it worked with three-phase sine, three-phase line current would have non-sine aberrance and produce harmonic wave-electricity.
即使在三相正弦激励的作用下,三相线电流也将发生非正弦畸变,产生谐波电流。
To provide synchronization signal of line current for switching control in time, a method to forecast the crossover point of the current was given.
为及时向切换控制提供线路电流同步信号,提出了一种预测电流过零的方法。
The Direct Iterative Finite Element algorithm (DIFE) is used to calculate the electromagnetic responses at earth surface excited by a line current source.
采用有限元直接迭代算法实现了线源频率域测深电磁响应的二维正演计算。
In accordance with the shortage of line current protection coordination software, this paper presents the design of line protection integrative coordination system.
针对目前线路保护整定计算软件中存在的不足,提出了线路保护整定计算一体化系统的研制构想。
Experimental results show that three-phase PWM converters are advantageous in high power factor, small input-line current harmonic distortion and bi-directional power flow.
实验表明,作为双馈感应发电机转子励磁电源的三相pwm变换器具有功率因数高、网侧电流谐波小、能量双向流等优点。
Set up the circuit design criterion for the steady - stage deadbeat control to the line current of a three - phase high-power-factor rectifier based on voltage space-vector PWM.
建立了对基于电压空间矢量pwm的三相高功率因数整流器实现电流稳态无差拍控制的设计准则。
According to data analysis of actual measure, this paper obtains perpendicular line current velocity coefficient of measuring section and measuring discharge coefficient on the bridge.
经过实测资料的分析,得出了呼玛桥水文站桥测断面的垂线流速系数以及桥测流量系数。
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。
In this paper, we propose and discuss two new control methods for three phase shunt APFs: the sinusoidal line current control method and the instantaneous reactive power compensation control method.
本论文提出三相并联型有源滤波器的两种新的控制方法,即正弦波化控制和瞬时无功功率的控制方法。
According to the relation between the radiating fields of line current and dipole, the radiating fields of the edge elements are obtained by reversion from the scattering fields of the infinite edges.
根据线电流与电偶极辐射场的关系,由无限长棱边的场反推得微元的场。
According to the relation between the radiating fields of line current and dipole, the radiating fields of the edge elements are obtained by reversion from the scattering fields of the infinite edges.
根据线电流与电偶极辐射场的关系,由无限长棱边的场反推得微元的场。
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