Modeling, Simulation and Development of Grid-Connected Voltage Source Converter with Selective Harmonic Mitigation: HiL and Experimental Validations

Suparak Srita, Sakda Somkun, Tanakorn Kaewchum, Wattanapong Rakwichian, Peter Zacharias, Uthen Kamnarn, Jutturit Thongpron, Damrong Amorndechaphon and Matheepot Phattanasak
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Suparak Srita: School of Renewable Energy and Smart Grid Technology (SGtech), Naresuan University, Phitsanulok 65000, Thailand
Sakda Somkun: School of Renewable Energy and Smart Grid Technology (SGtech), Naresuan University, Phitsanulok 65000, Thailand
Tanakorn Kaewchum: School of Renewable Energy and Smart Grid Technology (SGtech), Naresuan University, Phitsanulok 65000, Thailand
Wattanapong Rakwichian: School of Renewable Energy and Smart Grid Technology (SGtech), Naresuan University, Phitsanulok 65000, Thailand
Peter Zacharias: Department of Electrical Power Supply Systems, University of Kassel, Wilhelmshöher Allee 71, D-34121 Kassel, Germany
Uthen Kamnarn: Department of Electrical Engineering, Rajamangala University of Technology Lanna, Chiang Mai 50300, Thailand
Jutturit Thongpron: Department of Electrical Engineering, Rajamangala University of Technology Lanna, Chiang Mai 50300, Thailand
Damrong Amorndechaphon: Automotive and Transportation Technology Development Center (ATDC), School of Engineering, University of Phayao, Phayao 56000, Thailand
Matheepot Phattanasak: Department of Teacher Training in Electrical Engineering, King Mongkut’s University of Technology North Bangkok, Bangkok 10800, Thailand

Energies, 2022, vol. 15, issue 7, 1-28

Abstract: This paper elaborates on a development technique for the grid-connected voltage source converter (VSC). We propose a simulation technique in the MATLAB/Simulink environment that emulates the operation of the discrete-time controlled grid-connected VSC. The switched-circuit modeling approach is used for simulation of the power stage in the continuous-time domain with the physical unit scale. The discrete-time control algorithm is implemented in an interpreted MATLAB function in the per-unit scale, which synchronizes with the switching period. Such a control algorithm is easily translated into the C language for programing of the 32-bit C2000 DSP controller with the same regulators’ parameters. The proposed platform was validated with a hardware-in-the-loop real-time simulator and with a 5-kVA 3-phase LCL -filtered grid-connected VSC. The discrete-time control scheme was implemented in the synchronous reference frame control with proportional-integral with multi-resonant controllers at harmonic orders 6th and 12th for suppression of the grid voltage harmonic orders 5th, 7th, 11th, and 13th. The experimental results closely agreed with the simulation results. The experimental grid currents complied with the IEEE 1547 standard thanks to the multi-resonant controllers. The proposed platform provides a smooth transition from implementation to a near-commercial prototype with a low investment cost in simulation and rapid prototyping tools. A MATLAB/Simulink VSC model is provided as an attachment of this paper.

Keywords: discrete-time control; harmonics; grid-connected inverter; modeling; voltage source converter (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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