A New Single Phase Inverter Based on Buck Converter

Yalçın, Faruk; Arifoğlu, Uğur; Yazıcı, İrfan

doi:10.16984/saufenbilder.680718

Cited by 4 publications

(7 citation statements)

References 13 publications

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“…The main topology of the proposed three‐phase buck‐boost inverter can be represented in Figure 1 40 . As seen from Figure 1, three independent subcircuit‐based buck‐boost converters comprise the proposed three‐phase buck‐boost inverter.…”

Section: The Proposed Three‐phase Buck‐boost Invertermentioning

confidence: 99%

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A novel three‐phase buck‐boost inverter controlled by an open‐loop assisted closed‐loop hybrid control method

Yalçın

2021

Circuit Theory & Apps

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Summary A novel general purpose three‐phase buck‐boost inverter without need of additional filtering units is presented in this study. The proposed inverter topology is built with moderate numbers of elements in terms of the operation advantages and qualities. The buck‐boost converter‐based structure provides obtaining wide‐range output voltage amplitudes lower or higher than the input voltages. A novel hybrid control method that is open‐loop assisted closed‐loop control is proposed for the inverter operation to improve the response performance on various input and output operation conditions. The wye‐connected modular structure of the proposed inverter topology also enables unbalanced three‐phase operation and single‐phase operation for each phase with independent phase voltages and frequencies. An experimental laboratory setup is built for the proposed three‐phase inverter for 0–50 Hz, 0–100 Vp, and 1.5 kW operation values for real‐time application tests. Simulation tests are also applied for the inverter. The obtained results for both the simulation and the experimental tests show that the presented inverter with the proposed hybrid control method is capable of operating in balanced/unbalanced three‐phase and independent single‐phase modes while producing close to sine wave output voltages under 5% THD levels with wide range desired amplitudes and frequencies on different operating points.

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Section: The Proposed Three‐phase Buck‐boost Invertermentioning

confidence: 99%

“…In this study, a novel buck‐boost‐type three‐phase inverter for general purpose with a novel hybrid control which is patented by Yalcin 40 is presented. The inverter topology is built in moderate numbers of the elements by only 3 capacitors, 3 inductors, and 24 active switches with neutral return.…”

Section: Introductionmentioning

confidence: 99%

A novel three‐phase buck‐boost inverter controlled by an open‐loop assisted closed‐loop hybrid control method

Yalçın

2021

Circuit Theory & Apps

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“…So, the proposed inverter can be efficiently used in many applications such as single-phase asynchronous motor control and high-to-low voltage conversion in distribution systems. Also, a pre-work is done for this presented study in Yalcin et al (2020a). The actions in this study to overcome the drawbacks of the existing studies can be given as follows:…”

Section: Introductionmentioning

confidence: 99%

“…In this study, a novel general-purpose buck-type inverter and a novel hybrid control method which are patented by the corresponding author (Yalcin, 2018) with topology including a reduced number of ten elements just only one capacitor, one inductor and eight active switches are presented. As the proposed inverter has a general-purpose structure, all kinds of loads such as resistive, inductive or capacitive loads can be supplied by the proposed inverter.…”

Section: Introductionmentioning

confidence: 99%

Design and implementation of a single-phase buck-type inverter via an efficient hybrid control technique

Yalçın

Arifoğlu

Yazıcı

2022

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Purpose This paper aims to present the design and implementation of a new general-purpose single-phase buck-type inverter. Design/methodology/approach The operation of the proposed inverter is based on the general-purpose buck converter. The proposed buck-type inverter topology is designed with reduced numbers of passive and active elements to minimize design cost and complexity. Also, an efficient hybrid control technique based on the proportional‐integral‐derivative (PID) supported by open-loop control signal is offered for the control of the proposed inverter. The proposed hybrid control method improves the performance of the PID controller during the change of inverter operation parameters. A close to single-phase sine wave output voltage with low total harmonic distortion (THD) can be produced by the proposed inverter in a wide range of voltage and frequency lower than the inverter input voltage value. Findings Simulation and experimental test studies are applied to the proposed inverter. The experimental laboratory setup is built for 0–50 Hz, 0–100 Vp, 0.5 kW. Both the simulation and the experimental test results show that the single-phase inverter can produce close to sine wave output voltage with THD level under 5% in a wide range of frequency for various operating conditions and for different loads. Originality/value In this paper, a new topology and a new hybrid control technique that are patented by the corresponding author are implemented for a single-phase buck-type inverter through a scientific project. The operating results of the study reveal the efficient operating capability with a simple topology structure.

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“…So, harmonic elimination capability of an AC-AC regulator is required in addition to the AC voltage regulation capability. According to the standards, supplying of the AC customers through high-quality AC voltages with THD less than 5% is so important [19].…”

Section: Introductionmentioning

confidence: 99%

Buck-type Single-phase AC-AC Active Tracking Voltage Regulator Controlled by an Enhanced Hybrid Control Method

Yalçın¹,

Himmelstoss

2021

Sakarya University Journal of Science

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In this paper, a single-phase switch-mode buck-type AC-AC voltage regulator is presented with reduced numbers of elements which are used in the topology. Apart from similar studies in the literature, a new hybrid control method which is structured by the closed-loop PID controller and a new enhanced feedforward controller is used for the control of the regulator. The hybrid controller improves the active tracking capability of the reference to achieve an output voltage as close to the sine-wave with high quality. The input AC voltage may be an ideal sine wave or it may include harmonics. Both simulation and experimental tests are applied for the proposed regulator controlled by this control method. The experimental set-up for the regulator is designed for 0-200 Vp input voltage (50 Hz), 0-100 Vp output voltage, and 0.6 kW output power. The results proved the capability of the proposed buck-type switch-mode regulator to achieve the requested output voltage as near as possible to sine wave. The obtained output voltages for different load conditions and input-output parameters have less than 5% THD (total harmonic distortion) and high quality.

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A New Single Phase Inverter Based on Buck Converter

Cited by 4 publications

References 13 publications

A novel three‐phase buck‐boost inverter controlled by an open‐loop assisted closed‐loop hybrid control method

A novel three‐phase buck‐boost inverter controlled by an open‐loop assisted closed‐loop hybrid control method

Design and implementation of a single-phase buck-type inverter via an efficient hybrid control technique

Buck-type Single-phase AC-AC Active Tracking Voltage Regulator Controlled by an Enhanced Hybrid Control Method

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