this paper makes detail study on three control strategies for shunt active power filter: the instantaneous power theory control strategy ( ipt);

1、

low-pass filter ( lpf) has a common passive low-pass filter, a first-order low-pass active filter and second-order low-pass active filter.

低通滤波器（LPF）常见的有无源低通滤波器、一阶低通有源滤波器和二阶低通有源滤波器。

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2、

based on analyzing the theory of shunt apf, a method of harmonic current quick detecting is presented.

在对现有并联型有源滤波器（SAPF）原理分析的基础上，提出了一种谐波电流快速检测方法。

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3、

in the end, the matlab/ simulink was used to simulate the detection method, and a conclusion was obtained by shunt apf experiment based on dsp that validates this detection method is feasible and effective.

最后利用MATLAB/SIMULINK对检测方法进行仿真，并通过基于DSP的并联有源滤波器实验装置验证了该检测方法的可行性和有效性。

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4、

the design of lc filter determines the transmission band width of the whole filtering means and the switching frequency of the device in the active power filter of current source.

另外，在电流源有源滤波器中，LC滤波器的设计决定了整个滤波装置的传输带宽以及器件的开关频率。

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5、

this method is more effective and reliable than those of butterworth and nyquist. the sensitivity analysis to butterworth active filter design

该方法比巴特沃兹（Butterworth）法和奈奎斯特（Nyquist）法有效和可靠。巴特沃兹有源滤波器设计中的灵敏度分析

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6、

the noise performance of rc-active quadratic filter is presented. the method of minimizing the noise is described. the comparison with the noise of the friend circuit composed of single operational amplifier is made.

本文叙述降低单运放2阶RC有源滤波器的噪声的方法，并与同样用作单放大器的Friend电路的噪声进行了比较。

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7、

today they replace the conventional opamp in so many applications such as active filters, analog signal processing, and a/ d, d/ a converters.

现今，CCⅡ在诸如有源滤波器、模拟信号处理、A/D和D/A转换器等方面已逐渐取代了传统的电压运放。

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8、

caa on studying second-order low-pass active filter

研究二阶低通有源滤波器幅频特性的CAA

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9、

taking errors as unknown disturbances to the system, a supplementary feedback controller based on the h ∞ control theory is designed.

在此基础上，将误差看作是对控制系统的外部干扰，然后基于H∞控制理论，设计了并联型有源滤波器的鲁棒控制器。

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10、

the simulation of power active filter circuit of using igbt

使用IGBT的电力有源滤波器的电路仿真

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11、

active power filter based on active power balance principle and ant colony algorithm optimized pi regulator

基于有功功率平衡和蚁群算法优化PI参数的有源滤波器

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12、

all pole active filter cad

全极点有源滤波器的CAD

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13、

a novel selective harmonic elimination pwm technique for active power filter

一种新的有源滤波器优化特定消谐PWM技术

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14、

appliance and research of dsp in active power filter

DSP在电力有源滤波器的应用研究

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15、

a new active r filter with four output terminals

具有四个输出端的新型R有源滤波器

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16、

the construction and investigation of several types of active r filters

几种全R有源滤波器的试制和探讨

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17、

a simple and excellent active filter with single capacitor

一种简单而特性优良的单C有源滤波器

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18、

a synthesis method for the new single-c active filter

新型单C有源滤波器的综合

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19、

the acid value and peroxide value of the oil of cold pressing were low, and the color of oil was light, and the quality of camellia oil was good.

低温冷榨条件下得到的山茶油酸值和过氧化值较低，油脂色泽浅，山茶油品质较好。

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20、

camellia oil is one of the woody oil, milled from tea plant seed.

茶籽油是从山茶属油茶树种籽中提取的木本植物油。

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