DC current or voltage source. Magnitude of AC component can be specified.
直流电流源或电压源。可指定交流分量的大小。
AC current or voltage source. DC offset can be specified.
交流电流源或电压源。可指定直流偏移。
The harmonic characteristics of a rectifier with a DC filter inductor or capacitor are analyzed and then relevantlythey are classified into current type and voltage type harmonic source.
分析了直流侧电感和电容滤波的整流器的谐波特性，进而把它们分为电流和电压型谐波源。
There are DC off-sets in the compensated source current of the traditional APF with one-cycle control due to the existent ripple and the peak current detection.
传统的单周期控制有源电力滤波器以峰值电流检测的控制方式和纹波电流的存在导致补偿后的电源电流中含有直流分量。
There are DC off-sets in the compensated source current of the APF with one-cycle control under bipolar modulation.
采用双极调制方式单周控制APF补偿后的电源电流中存在直流分量。
In the source commutation technique, a commutating Thyristor is turned off byforcing the DC link current to zero.
在来源换向技术，一台换向的可控硅整流器被关闭当换向发生时，潮流是近似地恒定的除了山谷。
Derived the formula for computing quadratic harmonics of output current in the single phase unit power factor ac DC converter based on analysis of the circuit module of the equivalent current source.
在基于对等效电流源电路模型分析的基础上，推导出了单相单位功率因数变流器输出电流二次谐波的计算公式，将输出二次谐波电流正、反向交替注入交流输入侧来抵消电流中的谐波。
The supply electricity using permanent current source for the DC potentiometer can simplify working processes and raise working efficiency.
用恒流源为直流电位差计供电可以简化操作过程，提高工作效率。
The harmonic source can be classified into current harmonic source and voltage harmonic source on the basis of a transformer with a filter component on its DC side.
根据变流器直流侧滤波元件，将谐波源分成电流型和电压型谐波源。
It can be obtained the trace to the source of large direct current with self-balancing DC comparator through self-calibration circuit, addition circuit, compare circuit and multiplication circuit etc.
介绍了用自平衡比较仪通过自校、加法、比较和乘法等校准线路实现直流大电流量值的绝对溯源。
Taking the KEITHLEY 6517 electrostatic meter as measurement standard, using the standard meter method, the accurate and reliable verification to the DC low current reference source could be realized.
利用KEITHLEY 6517静电计为测量标准，采用标准表法，实现对直流小电流标准源准确、可靠的检定。
The inverter arc welding power source is the new power source and features high speed, small DC current ripple, stable arc, light weight, small capacity and low power consumption.
逆变式弧焊电源是新一代的弧焊电源，其特点是速度快，直流输出电流波纹小，电弧稳定，质量小，体积小，能耗低。
The 600a dc standard current source is designed in this paper, which can output 10 ~ 600a dc current.
介绍600A直流电流标准源具有10 ~ 600 A直流标准电流输出能力。
While the typical value of the current source is shown as 50pa DC, this can vary by several orders of magnitude. Its polarity can also be positive or negative.
图中所示的电流源典型值为50paDC，其幅值会发生几个数量级的变化，其极性亦可正可负。
A new PWM control method for GTR current source rectifier is presented. The mathematical formulae that output voltage of the rectifier and inductance of the DC filter are derived.
提出了一种新的适合于GTR电流型变频器整流器部分的PWM控制方法，推导出了在准圆轨迹PWM控制规律下，整流器输出电压的计算公式和平波电抗器电感量计算的实用公式。
Continuous input current is ensured, which mitigates the impact on DC source and improves DC voltage utilization.
同时该拓扑还保证了输入电流连续，减小了对直流源使用寿命的影响，提高了直流侧电压利用率。
This pin ACTS as a constant voltage source at approximately 2v dc and sinks current from the external circuit, which RLS supplies.
这个引脚起到接近2V直流的恒值电压源作用，并使RLS提供的外部电路电流降低。
Based on hysteresis current control, the basic operation principle of PWM AC DC voltage source converter is analysed. Moreover, the design concept of the control system is described in detail.
从滞后电流控制的角度阐述了PW M电压型高频整流器的基本工作原理，较详细地介绍了控制系统的设计思想。
There are three important parameters in the DC glow discharge process, the discharge current, discharge voltage and argon pressure in discharge source.
直流辉光放电过程中需要控制的三个重要工作参数为放电电流、放电电压和放电室内氩气气压。
The DC/AC conversion section converts a direct current inputted from a direct current power source into an alternating current, and outputs the alternating current.
该DC /AC转换部分直接转换为电流输入由直流电源成交流电，并输出交流电。
Aiming at the low DC boost capacity, serious starting-up inrush current and low DC voltage utilization of traditional Z-source inverter, an improved topology of Z-source inverter is proposed.
针对传统Z源逆变器的直流升压因子较小、启动冲击严重、直流侧的电压利用率较低等缺点，提出了一种改进型的Z源逆变器拓扑。
This paper presents a new control strategy to eliminate second harmonic of dc output current in the 3-phase unbalanced network voltage PWM current-source converters (CSC).
提出一种电网电压不对称情况下抑制三相脉宽调制(PWM)电流型变流器(CSC)直流输出电流二次谐波、减少网侧电流低次谐波的控制方法。
This paper presents a new control strategy to eliminate second harmonic of dc output current in the 3-phase unbalanced network voltage PWM current-source converters (CSC).
提出一种电网电压不对称情况下抑制三相脉宽调制(PWM)电流型变流器(CSC)直流输出电流二次谐波、减少网侧电流低次谐波的控制方法。
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