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.
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。
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.
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。
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.
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。
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.
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。
This paper expounds the fundamental principles of vector voltage measurement using a sampling method, and deduces the calculating formula.
本文阐述了用取样技术测量矢量电压的基本原理，推导了计算公式。
The converter 1 is controlled as a fundamental sinusoidal current source, and the converter 2 is controlled as a voltage source.
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。
Finally, the fundamental frequency estimation under different PQ disturbances condition, such as harmonics, voltage fluctuations, etc, is analyzed by simulation respectively.
并运用大量仿真，对本方法在谐波、电压波动等干扰环境下基本频率估计的有效性进行验证。
Based on the fundamental of electromagnetics, are summarily derived idle, load and short-circuit voltage as well as current and leakage reactance formulas.
并根据电磁基本原理推导出空载，负载和短路时的电压、电流和漏抗的计算公式。
This article introduces the fundamental of direct current regulator, and designed a low - voltage power which can inspire the laser instrument.
介绍了直流稳压电路的基本原理，并设计了能激发激光器的低压电源。
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.
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。
Analysis shows that this is mainly due to not install over-voltage protector in across all tower, generally is a fundamental tower insulation installed a set of over-voltage protector.
分析表明，这主要是由于没有在全线所有杆塔安装过电压保护器引起的，一般是隔一基杆塔安装一组过电压保护器。
The paper analyzes the fundamental part circuit of current conveyor, the current mirror and the voltage follower.
本文分析了电流传送器的基本镜像电流源和电压跟随器模块电路。
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.
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。
An increase in the magnitude of fundamental output voltage was verified by experiments.
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。
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.
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。
According to the fundamental equations induction motor for the field oriented control, a new rotor flux model combine with the merits of voltage model and current model is presented.
根据异步电机转子磁场定向控制的基本方程序，对直接磁场定向矢量控制系统，设计了结合电压模型和电流模型优点的磁通观测器模型。
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.
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。
The fundamental principles of the bulk-driven MOSFET, along with the frequency and noise characteristics, are discussed. The analysis and simulation of its low voltage characteristics are also made.
讨论分析了衬底驱动MOSFET的工作原理、频率特性和噪声特性，并对其低压特性进行了分析和仿真。
Voltage data within a fixed width window are used to estimate the amplitude and phase of the fundamental component.
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。
The latter is a fully analytical MOSFET model dedicated to the analysis and design of low-voltage low-power analog circuits and completely built on fundamental physical properties.
后者是专用于分析和设计低压低功耗模拟电路的全解析型MOSFET模型。
The new control way can realize linear control for DC-bus voltage and get the fundamental component of the load current synchronously with a little of calculation.
该方法以电网电压为同步信号，在电网电压信号的过零点采样直流侧电容电压，并通过周期离散控制可以获得负荷电流有功分量。
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.
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。
A real time method for detecting the fundamental component of the line voltage under distorted circumstance is proposed in the paper.
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。
Fundamental principles, indices of performances and circuit structures of reduced voltage starting through thyristors are described in the paper.
介绍晶闸管降压起动的基本原理、性能指标及其电路结构。
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.
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.
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。
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