A fuzzy-controlled single-phase active power filter operating with fixed switching frequency for reactive power and current harmonics compensation

2003 ◽  
Vol 86 (1) ◽  
pp. 9-16 ◽  
Author(s):  
M. Paland�ken ◽  
M. Aksoy ◽  
M. T�may
Keyword(s):  
Single Phase ◽  
Reactive Power ◽  
Active Power Filter ◽  
Active Power ◽  
Switching Frequency ◽  
Current Harmonics ◽  
Power Filter ◽  
Harmonics Compensation

Application of Novel Techniques in Active Power Filter

2020 ◽  
pp. 158-191
Author(s):  
Karunendra Kumar Verma ◽  
V. M. Mishra ◽  
Niraj Kumar
Keyword(s):  
Single Phase ◽  
Reactive Power ◽  
Supply Voltage ◽  
Semiconductor Devices ◽  
Active Power Filter ◽  
Active Power ◽  
Current Control ◽  
Active Power Filters ◽  
Power Filter ◽  
Power Filters

Traditionally, the major part of the electrical power is generally consumed by the non-linear loads due to frequent application of the semiconductor devices in the form of domestic and industrial loads. This results from distortion in the actual supply voltage waveform at the source end due to the interference of the multiple harmonics generated out of semiconductor devices used at load end and excessive absorption of the reactive power. The insufficiency of these compensation techniques leads to the advent of the phase multiplication techniques as well as the most reliable and economic active power filtering scheme. A deep analysis showing tedious waveforms using the ORCAD simulation package for the various kind of loads in conjunction with the single-phase active power filter shunted to the single-phase line at the load end for the two current control techniques (i.e., hysteresis band current control, triangularization of current control) has been done. The results are analyzed and tested to lead the optimistic approach for APF (active power filters).

Real Time Harmonic Mitigation Using Fuzzy Based Highly Reliable Three Dual-Buck Full-Bridge APF for Dynamic Unbalanced Load

2018 ◽  
Vol 19 (3) ◽  
Author(s):  
Ranjeeta Patel ◽  
Anup Kumar Panda
Keyword(s):  
Distribution System ◽  
Single Phase ◽  
Dynamic Performance ◽  
Active Power Filter ◽  
Active Power ◽  
Voltage Source ◽  
Switching Frequency ◽  
Shunt Active Power Filter ◽  
Power Filter ◽  
Inverter Circuit

Abstract This study presents a highly reliable 3-phase 4-wire, three dual-buck full-bridge shunt active power filter (3 DB FB APF) for distribution system. The proposed topology uses three single phase dual buck full bridge inverter sharing the same dc-link capacitor with high utilization of dc-bus voltage. The dual buck inverter circuit composed of one power switch and one diode leg instead of two power switches conventional inverter leg effectually eliminate the undesirable “shoot-through” phenomenon occurs in conventional inverter circuit. The fuzzy and adaptive hysteresis current controller based id-iq control strategy has been adopted to generate optimized switching frequency. For validation, the proposed topology is implemented in the OPAL-RT LAB using OP5142-Spartan 3 FPGA. The dynamic performance of the proposed 3 DB FB APF is assessed for sinusoidal, unbalanced and non-sinusoidal voltage source condition with unbalanced non-linear load that is when both three-phase and single-phase loads are present in the system. Besides, the results with proportional-integral (PI) controller are compared with FLC in terms of harmonic compensation. Furthermore, a comparison has been made between split capacitor dual buck half bridge active power filter (2C DB HB APF) and proposed 3 DB FB APF based on switch power rating.

scholarly journals Design of active power filter for narrow-band power line communications

2018 ◽  
Vol 189 ◽  
pp. 04012
Author(s):  
Bingting Wang ◽  
Ziping Cao
Keyword(s):  
Reactive Power ◽  
Narrow Band ◽  
Impedance Matching ◽  
Active Power Filter ◽  
Power Line ◽  
Active Power ◽  
Current Harmonics ◽  
Power Filter ◽  
Minimum Number ◽  
Band Pass

In power line communication (PLC), couplers such as coupling transformers and band-pass matching coupling circuits are usually required for coupling, band-pass filtering, and impedance matching. However, the cost and size of transformers prevent them from being an economic and compact solution for PLC couplers. In addition, passive band-pass matching coupling circuits need accurate impedance matching and possibly incur power losses. In this paper, a 6th order multiple feedback (MFB) active power filter with the minimum number of components was designed for narrow-band PLC, which has high input impedance and low output impedance, allowing outstanding performance in main voltage isolation, suppressing the current-harmonics and compensating the reactive power simultaneously. Finally, simulations were conducted in the range of 95 kHz-125 kHz (CENELEC “B-band”), which confirmed that the new filter met the CENELEC requirements for transmission and disturbance levels.

scholarly journals A Review on Shunt Active Power Filter Control Strategies

2018 ◽  
Vol 7 (4.5) ◽  
pp. 121 ◽  
Author(s):  
Harnek Singh ◽  
Maneet Kour ◽  
Dip Vinod Thanki ◽  
Prakash Kumar
Keyword(s):  
Reactive Power ◽  
Control Strategies ◽  
Active Power Filter ◽  
Voltage Regulation ◽  
Active Power ◽  
Current Control ◽  
Voltage Source ◽  
Shunt Active Power Filter ◽  
Current Harmonics ◽  
Power Filter

Shunt active power filter (SAPF) has now become a well-known sophisticated technology to overcome current harmonics and reactive power compensation issues. In this paper a technical review of various control strategies for operation of SAPF has been presented. Control strategies such as reference current generation by time domain, frequency domain and soft computing approaches; voltage control for dc link voltage regulation and current control for generating switching patterns for voltage source inverter has been discussed. This paper aims to provide a broad understanding on SAPFs for various research and engineering applications.  

scholarly journals Harmonic Reduction of Shunt Active Power Filter using SVPWM

2019 ◽  
Vol 8 (2S8) ◽  
pp. 1183-1188
Keyword(s):  
Reactive Power ◽  
Harmonic Distortion ◽  
Active Power Filter ◽  
Active Power ◽  
Fine Tuning ◽  
Switching Frequency ◽  
Nonlinear Loads ◽  
Large Power ◽  
Power Filter ◽  
Passive Filters

waveforms of voltage and current are distorted and requirement of reactive power increase due to developing use of non-linear and time-varying loads. Harmonic distortion is recognized to be sources of a number of problems, such as increase in power losses, unnecessary heating, harmonic resonances in the utility, communication obstruction, flash and clear noise, inaccurate operation of susceptible loads [1, 2]. Conventionally, LC tuned passive filters absorb generated vocal currents due to nonlinear loads. Their primary benefit is more reliability with reduced cost. However, passive filters have a number of demerits like which may be the source of harmonic interface with the utility system, in the existence of inflexible value of fine-tuning LC filter is necessary and could not meet the predetermined harmonic current restrictions [3, 4]. This gives the inspiration to the exploration of an active power filter methodology, which is sensibly viable, cost valuable and can gather the suggested standard for large power nonlinear loads. Due to the high rating and large switching-frequency constraint of the Pulse Width Modulation (PWM) inverters are used for high-power applications

scholarly journals Study of the operation of the output filter of a single-phase series active power filter

2021 ◽  
Vol 12 (1) ◽  
pp. 304
Author(s):  
Mihail Antchev ◽  
Vanjo Gourgoulitsov ◽  
Hristo Antchev
Keyword(s):  
Single Phase ◽  
Harmonic Distortion ◽  
Active Power Filter ◽  
Active Power ◽  
Switching Frequency ◽  
Power Filter ◽  
Simulation And Experiment ◽  
Output Capacitor ◽  
Output Filter ◽  
Filter Capacitor

In the article is presented a single-phase series active power filter (SFSAPF) designed to compensate the total harmonic distortion (THD) factor of the supply network voltage. Particular attention is paid to the work of the output capacitor of the passive filter, and dependencies for the design of the filter at hysteresis voltage control are presented. The value of the higher harmonics of the current through the filter capacitor is determined. A mathematical relationship between the voltage ripple of the capacitor, its value and the switching frequency is derived. As a result of the advanced research a methodology for designing the output filter of a single-phase serial active power filter has been proposed. The results from computer simulation and experiment are also given.

scholarly journals Sliding mode controller for four leg shunt active power filter to eliminating zero sequence current, compensating harmonics and reactive power with fixed switching frequency

2015 ◽  
Vol 12 (2) ◽  
pp. 205-218
Author(s):  
Ali Chebabhi ◽  
Mohammed-Karim Fellah ◽  
Mohamed-Fouad Benkhoris ◽  
Abdelhalim Kessal
Keyword(s):  
Reactive Power ◽  
Sliding Mode ◽  
Active Power Filter ◽  
Active Power ◽  
Switching Frequency ◽  
Shunt Active Power Filter ◽  
Power Filter ◽  
Harmonic Currents ◽  
Three Phase ◽  
Zero Sequence

In this paper, the four leg inverter controlled by the three dimensional space vector modulation (3D SVM) is used as the shunt active power filter (SAPF) for compensating the three phase four wire electrical network, by using the four leg inverter with 3D SVM advantages to eliminated zero sequence current, fixed switching frequency of inverter switches, and reduced switching losses. This four leg inverter is employed as shunt active power filter to minimizing harmonic currents, reducing magnitude of neutral wire current, eliminating zero sequence current caused by nonlinear single phase loads and compensating reactive power, and a nonlinear sliding mode control technique (SMC) is proposed for harmonic currents and DC bus voltage control to improve the performances of the three phase four wire four leg shunt active power filter based on Synchronous Reference Frame (SRF) theory in the dq0 axes, and to decoupling the four leg SAPF mathematical model.

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