Active Power Filter for Single-Phase Quasi-Z-Source Integrated On-Board Charger

Na, Tuopu; Zhang, Qianfan; Tang, Jiaqi

doi:10.24295/cpsstpea.2018.00019

Cited by 29 publications

(10 citation statements)

References 10 publications

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“…However, these methods cause large volume and weight, together with high costs, and decrease the efficiency and reliability of the system because of their large-valued capacitors and inductors [16]. One of the methods that are employed to eliminate the ripples at 2ω frequency is the Active Power Filter method, which is preferred widely in QZS inverters to suppress the ripples in the current and voltage on the DC side [78]. In such inverters, there is an additional arm that consists of switches to activate or disable the filter circuit.…”

Section: Elimination Of Ripples At 2ω Frequencymentioning

confidence: 99%

A Review of Control Methods on Suppression of 2ω Ripple for Single-Phase Quasi-Z-Source Inverter

2020

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One of the disadvantages of the charging systems and voltage regulation systems in alternative energy systems is that when the direct current (DC)/alternative current (AC) or AC/DC conversion is made from the energy source, the energy flow at 2ω frequency between the direct current side and the alternative current side causes ripples in the DC, inductors, and capacitors. The ripples that occur in 2ω frequency increase the harmonic distortion and reduce the efficiency in the photovoltaic energy system. For addressing this problem, different control methods are evaluated in this paper for the elimination of ripples that occur at 2ω frequency, both on the perspective of DC control side and AC control side with a thorough comparative analysis with existing results in the literature. In the present study, the model of Single-Phase Quasi-Z Source (QZS) inverter and closed-loop control methods of the inverter are examined and compared with pulse width modulation (PWM) methods. In addition, the control methods are used to eliminate the ripples at 2ω frequency in the use of inverters, and the advantages and disadvantages of these methods are presented. INDEX TERMS QZS inverter, suppression of 2ω ripple, control methods, pulse width modulation. I. INTRODUCTION

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Section: Elimination Of Ripples At 2ω Frequencymentioning

confidence: 99%

A Review of Control Methods on Suppression of 2ω Ripple for Single-Phase Quasi-Z-Source Inverter

2020

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“…Calculate the L 3 from ω s = 1/ L 3 C 3 . The details of the control strategy of the APF system are introduced in [56].…”

Section: )mentioning

confidence: 99%

A Review of on-Board Integrated Electric Vehicles Charger and a New Single-Phase Integrated Charger

Na¹,

Tang²,

Q³

2019

CPSS TPEA

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To avoid weight, size and cost constraints, on-board integrated charging devices use the traction system components. In this paper, the topologies of on-board integrated electric vehicles (EVs) chargers are reviewed. The topologies of on-board integrated chargers can be classified into three groups based on the integrated components. The first type is that only converter is integrated as one part of the on-board charger. While the grid side also needs filter inductors. The second group is based on the switched reluctance motor, which can integrate both the converter and the motor windings into the on-board charger. This is followed by the integrated charger based on permanent magnet motor (PM) and induction motor (IM). The last group also integrates both the converter and the motor windings. Then this paper gives a new single-phase on-board integrated charger based on AC motor. Parts of inverter are used as single-phase rectifier, parts of inverter coupled with one capacitor and inductor reconstruct an active power filter (APF) circuit, and the motor windings are used as grid-side filter inductors. As the existence of APF circuit, the proposed integrated charger can eliminate the second harmonic ripple and the quasi-Z-source network just need small capacitor and inductor to suppress ripples. Using the proposed topology, the motor can keep still in charging mode. A 2.2-kW prototype is designed to give the experimental results.Index Terms-Active power filter (APF), integrated charger, quasi-Z-source.

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“…Nonetheless, they require a lot of time and effort to be implemented in order to avoid the overfitting of the data while maintaining a good accuracy. [41][42][43][44] For the case in which EV chargers are used as APFs, [45][46][47][48] they success in reducing harmonic content but they also involve a high development cost, even more if they are designed for both reducing harmonics and giving grid support. 49,50 Many control strategies focus on selective harmonic elimination (SHE) algorithms, [51][52][53][54] but most are based on multilevel converters, which despite their better harmonic response are more expensive in cost, and require more volume and weight as they consist of more elements.…”

Section: Introductionmentioning

confidence: 99%

Vehicle‐to‐grid charging control strategy aimed at minimizing harmonic disturbances

et al. 2021

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This paper presents the design and implementation of a control for an electric vehicle charger to provide vehicle to grid (V2G) services while reducing the current total harmonic distortion (THD). The control is composed of two current loops. The main one controls the active and reactive powers in a decoupled way, and the second one, focuses on the reduction of the fifth order harmonic component. After explaining the mathematical modelling, the meth-

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Active Power Filter for Single-Phase Quasi-Z-Source Integrated On-Board Charger

Cited by 29 publications

References 10 publications

A Review of Control Methods on Suppression of 2ω Ripple for Single-Phase Quasi-Z-Source Inverter

A Review of Control Methods on Suppression of 2ω Ripple for Single-Phase Quasi-Z-Source Inverter

A Review of on-Board Integrated Electric Vehicles Charger and a New Single-Phase Integrated Charger

Vehicle‐to‐grid charging control strategy aimed at minimizing harmonic disturbances

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