Ammeter or current shunt Capable of measuring either alternating or direct current within an accuracy of 2%.
电表或能测量交流或直流电流在精确度2%之内的分流器。
For DC current measurement, a current shunt is place in series in the current path and convert the current to a DC voltage signal.
对于直流电流测量﹐在电流通道串联一电流分流器﹐将电流转换成直流电压信号。
This paper makes a research on the anti current shunt electric larceny technology for electronic electric energy meter of high-voltage power metering system.
基于此,本文针对电力计量系统防分流窃电技术进行了研究。
Such a system, now under development, will shunt data a thousand times faster than current "high speed" broadband Internet links.
正处于开发阶段的这一系统将会以比现在的“高速”宽带因特网连接快1000倍的速度传送数据。
There are two basic techniques for making current measurements: these are the shunt ammeter and the feedback ammeter techniques.
有两种电流测量的基本技术,即分流安培计技术和反馈安培计技术。
As shown in Figure 2-35, the shunt capacitance (CSHUNT) must be charged to the test voltage by the current (IS).
如图2 - 35所示,并联电容(CSHUNT)必须由测试电流(IS)充电到测试电压。
The effects of input capacitance on current measurements using a shunt type ammeter (Figure 2-49) are similar to those for voltage measurements.
使用分流型安培计(图2 -49)时,输入电容对电流测量的影响与电压测量时类似。
The study on shunt active power filter, which is a novel device compensating harmonics and reactive power current simultaneously, is the focus in the field of power quality control.
并联有源电力滤波器作为一种新型的谐波、无功综合补偿系统,是电能质量控制领域中的研究热点。
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。
Methods to measure the lightning surge current using a shunt with non-inductance resistors network. The experiments on the repetition, linear degree and the step response are carried out.
方法用无感电阻网络分流器测量雷电冲击电流,并进行测量重复性、线性度试验和阶跃波响应试验。
Shunt active power filter's control strategy including compensatory current control and DC voltage control is analyzed in detail.
本文详细分析了并联型有源电力滤波器的控制策略,包括补偿电流跟踪控制和直流侧电压控制。
Differing from the usual model, the present model of PN diode consists of the effect of shunt conductance on the current.
与通常使用的PN结二极管模型不同,本文模型考虑了并联电导对电流的影响。
Because of the current on the shunt reactor, traditional traveling wave differential protection cannot be applied to transmission line with shunt reactor.
由于并联电抗器两侧的电流发生变化,传统的行波差动保护无法应用于带并联电抗器的输电线路。
Therefore, it is demonstrated that the shunt or series APF should be used for compensating the current or the voltage harmonic source.
从而说明对电流型或电压型谐波源进行谐波补偿,应该分别使用并联型或串联型apf。
The compensation performance of the shunt active power filters is directly affected by the current control strategy.
电流控制技术直接影响并联有源电力滤波器的补偿性能。
This paper expatiates on the concept of earth short-circuit current, discussing and computing the shunt coefficient of overhead ground wires, cable lines and hybrid overhead cable lines.
为此,阐述了入地电流的概念,对输电线路架空避雷线、电缆线路及架空电缆混合供电线路的分流系数进行了探讨和计算。
A new method to calculate the source current reference and the compensating current reference for shunt active power filter (APF) is presented.
提出了一种计算并联型有源电力滤波器电源电流参考信号和补偿电流指令信号的新方法。
A new equivalence principle of current control for shunt active power filters is introduced, which having no use for measurement of harmonic and reactive currents of nonlinear loads.
针对并联型有源滤波器提出了一种电流控制新方式,与传统控制方式不同,该方式不需要检测非线性负载中的谐波及无功电流。
Shunt reactor could be installed in the middle segment of the UHV transmission line, in order to compensate capacitive current of transmission line and limit over-voltage of line without load.
特高压长线路可能在线路中间接入并联电抗器,从而有效补偿线路电容电流,抑制空载线路过电压。提出了在特高压长线路中间带并联电抗器时的线路分相电流差动保护原理。
To verify the simulation approach, simulation results and experimental results of a shunt active filter for harmonic current compensation in a three-phase system are presented.
要核实模仿方法,在一个三相系统提出模仿结果和分流器活跃过滤器的实验性结果泛音当前报偿的。
Shunt active power filter (SAPF) is very fit to compensate current source harmonics.
并联型有源电力滤波器可较好地补偿电流型谐波源产生的谐波。
This article introduces the principle of current measurement for shunt ammeter and feedback ammeter.
介绍了分流式和反馈式电流表测量直流电流的基本原理。
Based on the differences of harmonic testing point, there are two control ways for shunt active filters, that is, the way of load current sensing and the way of power supply current sensing.
并联型有源滤波器根据其谐波检测点的不同,有两种控制方法。即负载电流检测控制方法和电源电流检测控制方法。
Compared with the magnetic valve type controlled shunt reactor, the transformer type controlled shunt reactor is superior in its smaller harmonic current, faster respond speed and less power loss.
变压器式可控电抗器与磁饱和式可控电抗器相比,谐波电流更小、响应速度更快、功率损耗更小。
Nowadays, the active filters such as shunt, series and combined shunt-series are studied as a flexible solution to compensate all current and voltage perturbations.
如今,有源滤波器,如并联、串联和串并联组合有源滤波器,被广泛研究,以保持电压和电流的平衡。
Shunt reactors can reduce the steady capacitive current but have unobvious effect on fault transient current.
并联电抗器可以降低线路的稳态电容电流,但对故障暂态电容电流的作用不明显。
A novel double hysteresis current control strategy based on optimal voltage vector is proposed for shunt active power filter (SAPF).
提出了一种新的基于最优电压矢量的有源滤波器滞环电流控制方法。
This paper analyses the internal overvoltage and the phase current of grounded wye shunt capacitor bank when there are failures in it, and gives corresponding equations.
分析了中性点接地电容器组内部故障时的内部过电压和相电流变化,并给出了相应计算公式。
The algorithm does not need fault type identification, and its accuracy is not affected by fault resistance, system impedance, pre-fault load current and shunt capacitance.
算法无需故障类型判别,不受系统阻抗、故障电阻、负荷电流以及分布电容的影响。
The algorithm does not need fault type identification, and its accuracy is not affected by fault resistance, system impedance, pre-fault load current and shunt capacitance.
算法无需故障类型判别,不受系统阻抗、故障电阻、负荷电流以及分布电容的影响。
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