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1)  voltage feed-forward control
电网电压前馈
1.
The research on the voltage feed-forward control method of shunt active power filter;
并联型有源电力滤波器电网电压前馈控制技术研究
2)  voltage feed-forward control
电压前馈
1.
In this paper, the influence to APF caused by the voltage fluctuating is analyzed, and a voltage feed-forward control method of APF is proposed.
针对这种情况,本文分析了电压波动对有源电力滤波器的影响,并提出了带电压前馈的有源电力滤波器控制策略,通过电压前馈环节的引入彻底地消除了电压波动对有源电力滤波器的影响。
3)  voltage feedforward
电压前馈
1.
The structure of the sine wave inverter is given,the working principles of the control circuit and voltage feedforward are analyzed.
给出了正弦波逆变器的主电路结构,分析了控制电路及电压前馈的工作原理。
4)  feedforward voltage
前馈电压
1.
Predictive voltage feedback PI controller with feedforward voltage compensator is adopted as the controlled method of the inverter system.
本文提出了一种基于双时采样的改进型预测电压控制算法,采用前馈电压与PI控制相结合的预测电压控制算法作为逆变器系统的控制方案,并采用空间矢量脉宽调制技术(SVPWM)将电压矢量合成,对逆变器进行控制。
5)  Voltage Feed-Forward
电压前馈
1.
In photovoltaic grid-connected system,the method of adding voltage feed-forward to improve the shape of grid-conected current wave is presented,the reason for the introduction of the net voltage feed-forward decreasing the phasic difference between grid-connected current and net voltage and reducing the THD of grid-connected current is analyzed.
针对在光伏并网系统中采用单纯PI控制的缺点,提出了增加电网电压前馈控制来改善并网电流波形。
2.
To reduce the voltage distortion,current harmonics and torque ripple caused by the dead time effects,a voltage feed-forward dead time compensation method based on SVPWM is presented.
为减小逆变器死区效应引起的电压、电流畸变及电机转矩脉动的影响,提出一种基于空间电压矢量脉宽调制(SVPWM)的电压前馈型死区补偿方法。
3.
The neutral displacement voltage feed-forward control is introduced to the digital PI controller,which forces the inverter to output a voltage in real time to cancel out the effect of the interfering voltage and makes the inverter an ideal variable-frequency constant-current source.
将电压前馈控制引入数字PI控制器,使逆变器实时输出一个与工频干扰电压相同的电压以抵消其干扰作用,保证逆变器输出电流为一较理想的变频恒流源。
6)  Voltage feed-forward circuit
电压前馈电路
补充资料:岁晚相与馈问为馈岁酒食相邀呼为别岁至除夜
【诗文】:
思归而不可得故为此三诗寄子由馈岁农功各已收,岁事得相佐。
为欢恐无具,假物不论货。
山川随出产,贫富称小大。
寘盘巨鲤横,发笼双兔卧。
富人事华靡,彩绣光翻座。
贫者愧不能,微挚出舂磨。
官居故人少,里巷佳节过。
亦欲举乡风,独倡无人和。



【注释】:
原题:岁晚相与馈问为馈岁酒食相邀呼为别岁至除夜达旦不眠为守岁蜀之风俗如是余官岐下岁暮



【出处】:
苏轼诗集 卷一
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条