提出了一种在电网电压畸变情况下依然适用的电网电压基波分量的实时检测方法。
A real time method for detecting the fundamental component of the line voltage under distorted circumstance is proposed in the paper.
MOA阻性电流检测的关键在于电压基波分量与泄漏电流基波分量相位差的检测。
The key to the detection of MOA resistive current is the detection of the phase difference between fundamental component of voltage and fundamental component of leakage current.
以方波模式运行的单相半桥逆变器为研究对象，提出了一种利用神经网络提取逆变器方波输出电压基波成份的新方法。
This paper presented a neural network based technique to obtain fundamental waveform from a single phase half bridge inverter by square wave mode.
这种方法不需要硬件同步电路，能实时地计算电源电压中的基波正序分量。
The proposed method doesn't need hardware synchronization circuit and can perform the calculation of fundamental positive sequence component of the supply voltage in real time.
变换器1被控制为一个基波正弦电流源，变换器2被控制为一个可控电压源。
The converter 1 is controlled as a fundamental sinusoidal current source, and the converter 2 is controlled as a voltage source.
考虑到三相电压或多或少有些不平衡，提出了一种新的基于正序基波电压合成相量的发电机并网条件核算法。
Considering the imbalance of three phase voltages, a new arithmetic which verifies the generator paralleling based on the synthetic phasor of positive sequence fundamental voltage is proposed.
在研制这种多电平逆变器时，一个关键的问题就是如何来产生开关角度，并以此来生成基波电压且不产生特定的低次谐波。
A key issue in the design of such an inverter is to determine the switching angles so as to produce the fundamental voltage and not to generate specific lower order harmonics.
若在适当端口施加正弦电压源，则网络的稳定性取决于进入端口基波电流的实功与虚功成份的符号值。
When exciting Sin voltage source is applied to proper port, the stability of network depends on the sign of active and reactive components for fundamental-wave current entering port of networks.
IGBT逆变器的作用是提供基波电压，并补偿无功功率，MOSFET逆变器则实现消除谐波电流的功能。
The function of the IGBT inverter is to support utility fundamental voltage and to compensate the reactive power. The MOSFET inverter fulfills the function of harmonic current compensation.
讨论了对含谐波的正弦电压(电流)采样值直接进行小波变换计算基波、谐波电压(电流)的有效值及频率的方法。
It's discussed that the method of RMS and frequency measurements directly from the wavelet transform data associated with each sampling sine voltage (current) element pair containing harmonic.
针对串联型交流电压调节器，提出了一种新的基波正序计算方法以获取补偿电压的参考信号。
A series ac voltage regulator based on a new fundamental positive sequence calculation method, which is utilized to generate the compensation voltage reference, is introduced in this paper.
该方法使用一固定宽度窗口内的电网电压数据来估算其基波分量的幅值和相位。
Voltage data within a fixed width window are used to estimate the amplitude and phase of the fundamental component.
提出了一种基于数字信号处理器的基波相位和频率校正检测方法，可用于电力系统中电压或电流基波分量同步信号的获取。
A novel fundamental frequency and initial phase detection method based on DSP is proposed, which can be used to get synchronous fundamental frequency voltage or current signals of power system.
实验结果表明，这两种过调制策略能提高输出电压的基波幅值。
An increase in the magnitude of fundamental output voltage was verified by experiments.
且由于二者往往均表现为中性点出现位移电压，尤其是基波谐振更不易与单相接地区分。
In both of the cases above, the shift voltage of neutral point often appears. So one does not differ from the other easily, especially for the fundamental frequency ferro-resonance.
结果表明，该算法下的输出基波电压幅值与调制系数呈线性关系，且输出电压谐波含量与传统方法相比也得到了明显抑制。
The results show that the amplitude of fundamental voltage linearly increases with the modulation factor and that the harmonics of the output voltage are markedly reduced.
故障距离越远，电流、电压中的谐波含量对基波分量的影响越大；
The farther the fault location is, the larger the HF component will be.
并据此对传统发电机基波零序电压型定子接地保护的原理提出了改进意见。
Improvement of traditional protection of generator stator grounding based on 3U 0 is presented.
并据此对传统发电机基波零序电压型定子接地保护的原理提出了改进意见。
Improvement of traditional protection of generator stator grounding based on 3U 0 is presented.
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