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Active Filters for Power Quality Improvement
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The paper deals with the control methods of the active power ¯ lter with voltage
source which can be used for reduction of high harmonics in the supply current. For the correct
function of the ¯ lter, it is necessary to determine magnitud
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Several different methods have been used to sense load currents and extract its harmonic component in order to produce a
reference current in shunt active power filters (SAPF), and to contribute significantly in determining the SAPF performance.
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Unified power quality conditioners (UPQCs) allow the mitigation of voltage and current
disturbances that could affect sensitive electrical loads while compensating the load reactive power.
This paper deals with unified power quality conditioner (
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The power-electronic-based loads such as adjustable speed drives, rectifier equipment used in telecommunica-tion networks, power supplies, domestic appliances, etc offer highly nonlinear characteristics. These nonlinear loads draw non-sinusoidal [1]
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Active filters are being increasingly considered as a viable alternative to passive filters for meeting harmonic distortion limits. The three phase configuration based on a voltage source configuration is the most widely proposed topology. However it
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apf 并联运行带截断限流 采用比例谐振控制器-Parallel Operation of Shunt Active Power Filters
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Control strategies for extracting the three-phase reference currents for shunt active power filters are compared, uating their performance under different source conditions with PI and Fuzzy Controllers in MATLAB/Simulink environment When the supply
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谐波抑制的一个重要趋势是采用有源电力滤波器，有源电力滤波器也是一种电力电子装置，且相关技术的研究也日渐成为研究的热点。本文阐述了几种常见APF的拓扑结构及各自的优缺点，详细分析了基于瞬时无功功率理论的谐波检测方法，比例控制和前馈控制两种电流环控制策略以及SPWM和SVPWM两种调制策略。-the harmonic suppression is an important trend of active power filters, active power filter is a power el
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单位功率因数矫正器(UPQC)由一系列的主动功率滤波器组成，可以调节分布式能源系统中的功率因数，该算法采用神经网络方法，实现功率因数的调节。-A Unified Power Quality Conditioner (UPQC) is an integration of series and shunt active filters to improve power
quality in a power distribution system. Model-based control of
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Power quality improvement with a shunt active
power filters using MATLAB / Simulink
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Parallel Association of Shunt Active Power
Filters
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The active power filters have gained much more attention because of its excellent performance to mitigate the harmonic and reactive power issues. A shunt active power filter with Instantaneous active and reactive power theory (P-Q theory) has been pr
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Elimination of Voltage Harmonic Produced by SSSC by Using Series Active Power Filter.
This paper describes the development of a series active power filter with hysteresis control, which allows
harmonics and zero-sequence voltage compensation. Her
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Active power filters are the emerging devices, which can perform the job of harmonic elimination more effectively. The active power filters are used to filter out higher as well as lower order harmonics in the power system.
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Active filters have been considered an effective solution to reduce these problems. This paper presents an active power filter (APF) based on a simple contro
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