New topology of shunt hybrid power filter for harmonic mitigation and re-utilization of harmonic filter current as useful power

Power electronic appliances are recently used widely in industrial, commercial, and home sectors; these appliances include diode and thyristor rectifiers, and variable speed drive systems. When these appliances are connected to the grid, they generate harmonics in the current and voltage waveform wh...

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Main Author:	Mohamad Asghaiyer, Mohamed Omran
Format:	Thesis
Language:	English
Published:	2023
Subjects:	TA Engineering (General) Civil engineering (General)
Online Access:	http://umpir.ump.edu.my/id/eprint/39305/1/ir.New%20topology%20of%20shunt%20hybrid%20power%20filter%20for%20harmonic%20mitigation%20and%20re-utilization%20of%20harmonic%20filter%20current%20as%20useful%20power.pdf
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id	my-ump-ir.39305
record_format	uketd_dc
institution	Universiti Malaysia Pahang Al-Sultan Abdullah
collection	UMPSA Institutional Repository
language	English
advisor	Izzeldin Ibrahim, Mohamed Abdelaziz
topic	TA Engineering (General) Civil engineering (General) TA Engineering (General) Civil engineering (General)
spellingShingle	TA Engineering (General) Civil engineering (General) TA Engineering (General) Civil engineering (General) Mohamad Asghaiyer, Mohamed Omran New topology of shunt hybrid power filter for harmonic mitigation and re-utilization of harmonic filter current as useful power
description	Power electronic appliances are recently used widely in industrial, commercial, and home sectors; these appliances include diode and thyristor rectifiers, and variable speed drive systems. When these appliances are connected to the grid, they generate harmonics in the current and voltage waveform which contributes to the degradation of the system efficiency and deterioration of the overall system performance due to an increase of effective peak value and also the rms current in some devices. Conventional passive power filters (PPF) for harmonic mitigation have inherent problems, while purely active power filters (APF) have the disadvantages of higher costs and ratings. Hybrid active filters (HPF) inherit the efficiency of PPFs and the improved performance of APFs, and thus, constitute a viable improved approach for harmonic compensation. An eight different HPF topology is composed of one APF and PPF in series or shunt or combination. Nevertheless, among the existing mitigation HPFs, the shunt LC HPF is the most effective against current harmonics problems due to its feasibility for harmonic current compensation. However, it cannot perform satisfactory dynamic reactive power compensation because reactive power varies from time to time. Furthermore, to have low impedances at high frequencies, the capacitor of this filter needs to be large which will be influenced seriously by the source inductor. In this study, a new topology of shunt RLC-HPF is introduced to improve the efficiency of current harmonic reduction and perform power factor (PF) correction through reactive power compensation via the provision of a low impedance path through the inductor (for low frequencies) and low impedance through the capacitor (for high frequencies).. The effectiveness of HPF is strictly dependent on how quickly and accurately the detection of reference harmonic current, DC-link capacitor voltage regulation, and current control is achieved. The shunt HPF was designed based on synchronous reference frame strategy (SRF) and self-tuning filter (STF) to develop the operation of the filter under non-ideal (unbalanced and/or distorted) source voltage conditions. As for its controller, switching signals to drive the voltage source inverter (VSI) of the shunt APF adaptive hysteresis current controller (AHCC) are used. Also, proportional-integral (PI) and back propagation neural network (BPNN) controllers are developed to maintain a constant voltage across the DC-link capacitor so that the shunt APF can precisely inject the desired referred currents back into the harmonic power system. The shunt HPF performance is validated for all possible conditions of source and load by simulation using MATLAB/ Simulink environment. The simulation results obtained by the STF -SRF strategy with BPNN controller showed excellent achievement when compared to SRF with PI controller in the mitigation of current harmonics, PF enhancement, and DC voltage regulation. As a result, the minimum total harmonic distortion (THD) values of the source current recorded clear advantages of the STF-SRF strategy (1.8 %) over the existing SRF strategy (10 %), especially in dealing with non-ideal source voltage conditions. Furthermore, the encouraging findings have led to the correction of the PF to 0.999 using STF-SRF in contrast to 0.842 with the SRF strategy. Moreover, the DC-link capacitor voltage was properly regulated and maintained at the respective desired values under all cases with the BPNN controller, while the PI controller failed to be regulated. Ultimately, the main aim of the new HPF topology is the improvement of PF and reducing harmonic current, as well as re-utilization of the extracted harmonic filter current via conversion to useful power to feed the RL load within the limitation of the IEEE-519-2014 standards.
format	Thesis
qualification_name	Doctor of Philosophy (PhD.)
qualification_level	Doctorate
author	Mohamad Asghaiyer, Mohamed Omran
author_facet	Mohamad Asghaiyer, Mohamed Omran
author_sort	Mohamad Asghaiyer, Mohamed Omran
title	New topology of shunt hybrid power filter for harmonic mitigation and re-utilization of harmonic filter current as useful power
title_short	New topology of shunt hybrid power filter for harmonic mitigation and re-utilization of harmonic filter current as useful power
title_full	New topology of shunt hybrid power filter for harmonic mitigation and re-utilization of harmonic filter current as useful power
title_fullStr	New topology of shunt hybrid power filter for harmonic mitigation and re-utilization of harmonic filter current as useful power
title_full_unstemmed	New topology of shunt hybrid power filter for harmonic mitigation and re-utilization of harmonic filter current as useful power
title_sort	new topology of shunt hybrid power filter for harmonic mitigation and re-utilization of harmonic filter current as useful power
granting_institution	Universiti Malaysia Pahang
granting_department	Faculty of Electrical and Electronic Engineering Technology
publishDate	2023
url	http://umpir.ump.edu.my/id/eprint/39305/1/ir.New%20topology%20of%20shunt%20hybrid%20power%20filter%20for%20harmonic%20mitigation%20and%20re-utilization%20of%20harmonic%20filter%20current%20as%20useful%20power.pdf
_version_	1783732307926974464
spelling	my-ump-ir.393052023-11-14T07:38:03Z New topology of shunt hybrid power filter for harmonic mitigation and re-utilization of harmonic filter current as useful power 2023-07 Mohamad Asghaiyer, Mohamed Omran TA Engineering (General). Civil engineering (General) TK Electrical engineering. Electronics Nuclear engineering Power electronic appliances are recently used widely in industrial, commercial, and home sectors; these appliances include diode and thyristor rectifiers, and variable speed drive systems. When these appliances are connected to the grid, they generate harmonics in the current and voltage waveform which contributes to the degradation of the system efficiency and deterioration of the overall system performance due to an increase of effective peak value and also the rms current in some devices. Conventional passive power filters (PPF) for harmonic mitigation have inherent problems, while purely active power filters (APF) have the disadvantages of higher costs and ratings. Hybrid active filters (HPF) inherit the efficiency of PPFs and the improved performance of APFs, and thus, constitute a viable improved approach for harmonic compensation. An eight different HPF topology is composed of one APF and PPF in series or shunt or combination. Nevertheless, among the existing mitigation HPFs, the shunt LC HPF is the most effective against current harmonics problems due to its feasibility for harmonic current compensation. However, it cannot perform satisfactory dynamic reactive power compensation because reactive power varies from time to time. Furthermore, to have low impedances at high frequencies, the capacitor of this filter needs to be large which will be influenced seriously by the source inductor. In this study, a new topology of shunt RLC-HPF is introduced to improve the efficiency of current harmonic reduction and perform power factor (PF) correction through reactive power compensation via the provision of a low impedance path through the inductor (for low frequencies) and low impedance through the capacitor (for high frequencies).. The effectiveness of HPF is strictly dependent on how quickly and accurately the detection of reference harmonic current, DC-link capacitor voltage regulation, and current control is achieved. The shunt HPF was designed based on synchronous reference frame strategy (SRF) and self-tuning filter (STF) to develop the operation of the filter under non-ideal (unbalanced and/or distorted) source voltage conditions. As for its controller, switching signals to drive the voltage source inverter (VSI) of the shunt APF adaptive hysteresis current controller (AHCC) are used. Also, proportional-integral (PI) and back propagation neural network (BPNN) controllers are developed to maintain a constant voltage across the DC-link capacitor so that the shunt APF can precisely inject the desired referred currents back into the harmonic power system. The shunt HPF performance is validated for all possible conditions of source and load by simulation using MATLAB/ Simulink environment. The simulation results obtained by the STF -SRF strategy with BPNN controller showed excellent achievement when compared to SRF with PI controller in the mitigation of current harmonics, PF enhancement, and DC voltage regulation. As a result, the minimum total harmonic distortion (THD) values of the source current recorded clear advantages of the STF-SRF strategy (1.8 %) over the existing SRF strategy (10 %), especially in dealing with non-ideal source voltage conditions. Furthermore, the encouraging findings have led to the correction of the PF to 0.999 using STF-SRF in contrast to 0.842 with the SRF strategy. Moreover, the DC-link capacitor voltage was properly regulated and maintained at the respective desired values under all cases with the BPNN controller, while the PI controller failed to be regulated. Ultimately, the main aim of the new HPF topology is the improvement of PF and reducing harmonic current, as well as re-utilization of the extracted harmonic filter current via conversion to useful power to feed the RL load within the limitation of the IEEE-519-2014 standards. 2023-07 Thesis http://umpir.ump.edu.my/id/eprint/39305/ http://umpir.ump.edu.my/id/eprint/39305/1/ir.New%20topology%20of%20shunt%20hybrid%20power%20filter%20for%20harmonic%20mitigation%20and%20re-utilization%20of%20harmonic%20filter%20current%20as%20useful%20power.pdf pdf en public phd doctoral Universiti Malaysia Pahang Faculty of Electrical and Electronic Engineering Technology Izzeldin Ibrahim, Mohamed Abdelaziz

New topology of shunt hybrid power filter for harmonic mitigation and re-utilization of harmonic filter current as useful power

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