有功和无功电流补偿或线路压降补偿。
This function is sometimes called active and reactive current compensation or line drop compensation.
本论文重点研究了基于不同谐波电流补偿方法的滤波器的设计。
This paper mainly deals with the design of APF based on harmonic current compensating approaches.
利用上述的开关策略进行跟踪,达到对负载电压和电流补偿的目的。
Using the proposed switch control strategy to track the references, load voltage and current are compensated.
该文提出一种新的基于负序电流补偿的自适应零序过电压保护原理。
A novel principle of negative-sequence current compensation based adaptive zero-sequence over-voltage protection is therefore proposed.
介绍了用容性电流补偿法测量xlpe电缆的阻性电流的基本原理。
The basic principle of resistive current passing through XLPE power cable measured by capacitive current compensation method is introduced.
该有源滤波器基于电流检测、电流补偿的原理,以高速运放为核心。
The proposed filter is based on the current sensing and compensation circuit and it utilizes a fast amplifier for the current compensation.
提出了一种以实现高精度为目标的电流互感器误差电流补偿的新方法。
In this paper, a novel method error current compensation of current transformers for high accuracy is presented.
提出一种新型的基于变压器谐波电流补偿的高压大容量有源电力滤波器。
An active power filter based on harmonic current compensation of the transformer is proposed for high voltage large capacity application.
该信号接收器包含第一级电路、第二级电路、电流补偿电路以及偏压电路。
The signal receiver circuit including the first stage, second stage circuit, the current compensation circuit and bias circuit.
偏压电路依据参考电压来偏压第一级电路与电流补偿电路,并设定电流补偿电路的偏压。
Bias circuit according to the reference voltage to bias the first stage circuit and the current compensation circuit, and set the bias current compensation circuit.
本文还对新判据的电容电流补偿进行了分析,并且分析了影响保护的其它因素及其解决方案。
In addition, the paper analyse compensating capacitance currents to the new criterion and other factor which can affect the new criterion.
利用EMTP仿真结果分析了这相电流差动判据在超高压系统中的动作特性和电容电流补偿的效果。
In this article, the action characteristic of phase current-differential criterion in EHV system and the effect of capacitance current compensation have been analyzed using EMTP simulation result.
结论:所采取的电极导线屏蔽驱动和输出电流补偿的方法可以达到有效提高恒流源输出电流稳定度的目的。
CONCLUSION: the shield guard method for wires and the output current compensating method for current source can effectively improve the stability of current source's output current.
本设计运用MATLAB语言实现信号预测模型的自适应仿真在有源滤波系统的谐波和无功电流补偿中的应用。
Using the MATLAB, this paper introduces an application in harmonics and reactive-current compensation for an active filter system, which based on the adaptive simulink in signal prediction.
电流补偿型超导限流器是一种新型的限流器拓扑,它由等效电流源、限流电阻并联后通过连接变压器串联入电力系统。
Current compensation superconducting fault current limiter is a novel topology of FCL which consists of an equivalent AC current source with a limiting resistance in parallel.
对补偿法测电阻的原理进行分析,设计了电压补偿测电阻和电流补偿测电阻的实验电路。该电路测量精度高,结构简单,操作方便。
The principle of compensation method to measure resistance is analyzed, and the measuring circuit of voltage compensation and current compensation is designed.
仿真结果验证了所提补偿方法的高精度,而且不受CT负载特性、CT剩磁情况及原边电流直流成分的影响。
The simulation results verify the high precision of the proposed compensation method regardless of the waveform of ct primary current, remanent flux level, and load characteristic.
作者采用人工神经网络来实现光学电流互感器线性双折射效应的补偿。
The authors realize the compensation of optical current transducer's linear birefringent effect by using artificial neural networks.
文中分析了系统平衡变换原理,讨论了系统的平衡方式、补偿电流检测与有源滤波器控制方法。
In this paper, the principle of balanced transformation is analyzed; the balance mode, detection of compensating currents and controlling method of the active filter are discussed.
有源滤波器的应用中要求补偿电流的指令值计算要准确。
One key problem with APF application is how to accurately calculate harmonic currents for compensation.
抗电网电压波动及电网补偿能力强,焊接电流稳定。
High ability in resisting public power grid voltage wave ang power grid compensation, stable welding current.
对已建成的功率因数偏低的泵站采用电力电容补偿,可减少电源和线路的电流负荷。
If we compensate the pump station with lower power Numbers for electric power and electric capacity we can reduce the current load in the power source and the lines.
采用本方法选取的电感值,可以使补偿电流纹波较小,并且能得到良好的跟踪补偿性能。
Inductance value selected by this method can minish the ripple of compensation current and get good compensation performance.
提出了一种新型的有源电力滤波器电流检测和控制方法,在补偿谐波电流的同时还可以进行无功补偿。
A method of current detect and control for the new active power filter (APF) is presented, which has the ability of canceling harmonic and compensating reactive power at the same time.
分析了死区电压矢量和定子电流矢量的关系,由此得到一种根据重构电流矢量来补偿定子电压矢量的方法。
The relationship between the dead-time voltage sector and the stator current sector is analyzed and a method for compensating the stator voltage sector is proposed based on the reconstructed current.
本文对两种补偿电流控制方法进行原理性分析,并提出各自的优缺点。
In this paper, two control methods of current compensation are analysed and their advantages and disadvantages are also presented.
介绍了一种引入自适应控制思想的电流互感器补偿方法。
This paper introduces a compensation method of current transducer with self adaptive control conception.
通过耦合电感间的换流与开关器件通断相位角的控制,使其输出超前电压的电流,以补偿电网中常见的感性无功。
It can delicer leading current with the current exchange in coupling reactor and the controlling of the switch on off phase angle in order to compensate lagging reactive power.
但应努力开展电容电流自动补偿的研究工作,以进一步提高检漏继电器的技术水平。
A study on an auto compensation of capacitance current should be highly conducted to improve the technical level of the leakage check relay.
最后给出了一种电流环补偿电路实例予以验证。
Last, the example of a current loop compensation circuit is given and testified.
应用推荐