Development of 10 kW Three-Phase Grid Connected Inverter

Automatika

Abstract

In this paper, modeling, simulation and experimental study of a 10 kW three-phase grid connected inverter are presented. The mathematical model of the system is derived, and characteristic curves of the system are obtained in MATLAB with m-file for various switching frequencies, dc-link voltages and filter inductance values. The curves are used for parameter selection of three-phase grid connected inverter design. The parameters of the system are selected from these curves, and the system is simulated in Simulink. Modeling and simulation results are verified with experimental results at 10 kW for steady state response, at 5 kW for dynamic response and at -3.6 kVAr for reactive power. The inverter is controlled with Space Vector Pulse Width Modulation technique in d-q reference frame, and dSPACE DS1103 controller board is used in the experimental study. Grid current total harmonic distortion value and efficiency are measured 3.59% and 97.6%, respectively.

Keywords

Inverter Total harmonic distortion Inductance Pulse-width modulation Control theory (sociology) MATLAB Three-phase Space vector modulation Harmonic Electronic engineering Voltage Grid Controller (irrigation) DSPACE Phasor Computer science Power (physics) Engineering Electrical engineering Electric power system Physics Mathematics Acoustics

Subject Areas

Multilevel Inverters and Converters ·Electrical and Electronic Engineering ·Physical Sciences

Microgrid Control and Optimization ·Control and Systems Engineering ·Physical Sciences

Power Systems and Renewable Energy ·Energy Engineering and Power Technology ·Physical Sciences

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Development of 10 kW Three-Phase Grid Connected Inverter

Abstract

Keywords

Subject Areas

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