DC-Link Capacitor Voltage Regulation for Three-Phase Three-Level Inverter-Based Shunt Active Power Filter with Inverted Error Deviation Control

Hoon, Yap; Radzi, Mohd Amran Mohd; Hassan, Mohd Khair; Mailah, Nashiren Farzilah

doi:10.3390/en9070533

Cited by 38 publications

(28 citation statements)

References 42 publications

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“…They can generally be classified as direct voltage error manipulation [38][39][40] and self-charging [20,41,42]-based approaches. Nevertheless, other modified versions of the aforementioned approaches are also available [2,41].…”

Section: Dc-link Capacitor Voltage Regulation Algorithmmentioning

confidence: 99%

“…Notably, harmonic currents generated by nonlinear loads have caused many significant power quality problems to the power systems. Not only do they degrade the power factor (PF) performance of an operating power system, but they also cause other severe problems, which include overheating of equipment, errors in measuring instruments, failures of sensitive devices and capacitor blowing [1,2].…”

Section: Introductionmentioning

confidence: 99%

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Control Algorithms of Shunt Active Power Filter for Harmonics Mitigation: A Review

et al. 2017

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Current harmonics is one of the most significant power quality issues which has attracted tremendous research interest. Shunt active power filter (SAPF) is the best solution to minimize harmonic contamination, but its effectiveness is strictly dependent on how quickly and accurately its control algorithms can perform. This manuscript reviews various types of existing control algorithms which have been employed for controlling operation of SAPF. Harmonic extraction, DC-link capacitor voltage regulation, current control and synchronizer algorithms are examined and discussed. The most relevant techniques which have been applied for each control algorithm are described and contrasted in an organized manner to identify their respective strengths and weaknesses. It is found that the applied control algorithms differ in two conditions: (1) the condition where harmonic current distortion is treated by the SAPF in the presence of non-ideal source voltage; and (2) the condition where multilevel inverter is employed as the circuit topology of SAPF.

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Section: Dc-link Capacitor Voltage Regulation Algorithmmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Control Algorithms of Shunt Active Power Filter for Harmonics Mitigation: A Review

et al. 2017

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“…Nevertheless, the main focus of this paper is on reference current generation algorithm where a refined control algorithm is developed based on STF-pq theory. Meanwhile, DC-link capacitor voltage regulation algorithm with an inverted error deviation (IED) technique [3] is applied to consistently maintain the overall DC-link voltage at the desired level by delivering the required DC-link charging power P c , so that the required injection current i inj can be accurately generated. Additionally, a neutral-point voltage deviation control algorithm [48][49][50] is applied to maintain voltage balance of splitting DC-link capacitors, by delivering the required incremental time interval ∆t with respect to the resulted instantaneous voltage error (V dc1 -V dc2 ) between the splitting DC-link capacitors.…”

Section: Shunt Active Power Filter (Sapf) With Control Algorithmsmentioning

confidence: 99%

“…Harmonic currents not only degrade overall system efficiency by worsening its power factor (PF) performance, but also cause other associated problems such as equipment overheating, failures of sensitive devices and capacitor blowing [1][2][3]. Therefore, it is compulsory to minimize harmonic levels of a power system.…”

Section: Introductionmentioning

confidence: 99%

A Refined Self-Tuning Filter-Based Instantaneous Power Theory Algorithm for Indirect Current Controlled Three-Level Inverter-Based Shunt Active Power Filters under Non-sinusoidal Source Voltage Conditions

et al. 2017

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Abstract:In this paper, a refined reference current generation algorithm based on instantaneous power (pq) theory is proposed, for operation of an indirect current controlled (ICC) three-level neutral-point diode clamped (NPC) inverter-based shunt active power filter (SAPF) under non-sinusoidal source voltage conditions. SAPF is recognized as one of the most effective solutions to current harmonics due to its flexibility in dealing with various power system conditions. As for its controller, pq theory has widely been applied to generate the desired reference current due to its simple implementation features. However, the conventional dependency on self-tuning filter (STF) in generating reference current has significantly limited mitigation performance of SAPF. Besides, the conventional STF-based pq theory algorithm is still considered to possess needless features which increase computational complexity. Furthermore, the conventional algorithm is mostly designed to suit operation of direct current controlled (DCC) SAPF which is incapable of handling switching ripples problems, thereby leading to inefficient mitigation performance. Therefore, three main improvements are performed which include replacement of STF with mathematical-based fundamental real power identifier, removal of redundant features, and generation of sinusoidal reference current. To validate effectiveness and feasibility of the proposed algorithm, simulation work in MATLAB-Simulink and laboratory test utilizing a TMS320F28335 digital signal processor (DSP) are performed. Both simulation and experimental findings demonstrate superiority of the proposed algorithm over the conventional algorithm.

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“…Harmonic currents are the main culprits to power factor (PF) degradation and they potentially cause other severe problems which include malfunction of sensitive devices, overheating of equipment, errors in measuring instruments and capacitor overloading [1,2]. Hence, for efficient operation of power system, minimization of harmonic contents in power system has been made compulsory.…”

Section: Introductionmentioning

confidence: 99%

A Self-Tuning Filter-Based Adaptive Linear Neuron Approach for Operation of Three-Level Inverter-Based Shunt Active Power Filters under Non-Ideal Source Voltage Conditions

et al. 2017

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This paper presents a self-tuning filter (STF)-based adaptive linear neuron (ADALINE) reference current generation algorithm to enhance the operation of a three-phase three-level neutral-point diode clamped (NPC) inverter-based shunt active power filter (SAPF) under non-ideal (unbalanced and/or distorted) source voltage conditions. SAPF is an effective and versatile mitigation tool for current harmonics. As for its controller, ADALINE-based reference current generation algorithmd have widely been applied and proven to work effectively under balanced and purely sinusoidal source voltage conditions. However, no work has been conducted to study its performance under non-ideal source voltage conditions. In this work, a STF-based fundamental voltage extraction algorithm is integrated with an ADALINE algorithm, serving as synchronizer algorithm to ensure in-phase operation of the generated reference current with the non-ideal source voltage. Hence, it completely eliminates any dependency on conventional synchronizer algorithms such as phase-locked loop (PLL) and zero-crossing detector (ZCD). Additionally, the proposed STF-based ADALINE algorithm implements the modified Widrow-Hoff (W-H) weight updating algorithm for fast generation of reference current. Both simulation and experimental works are performed to verify design concept and effectiveness of the proposed algorithm. Comparative study with another recently reported algorithm is performed to investigate the performance improvement achieved by SAPF while using the proposed algorithm.

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DC-Link Capacitor Voltage Regulation for Three-Phase Three-Level Inverter-Based Shunt Active Power Filter with Inverted Error Deviation Control

Cited by 38 publications

References 42 publications

Control Algorithms of Shunt Active Power Filter for Harmonics Mitigation: A Review

Control Algorithms of Shunt Active Power Filter for Harmonics Mitigation: A Review

A Refined Self-Tuning Filter-Based Instantaneous Power Theory Algorithm for Indirect Current Controlled Three-Level Inverter-Based Shunt Active Power Filters under Non-sinusoidal Source Voltage Conditions

A Self-Tuning Filter-Based Adaptive Linear Neuron Approach for Operation of Three-Level Inverter-Based Shunt Active Power Filters under Non-Ideal Source Voltage Conditions

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