Fei, C; Xiahou, P and Wang, F (2020) Design and control of grid connected inverter for harmonic suppression. Journal of Engineering, Design and Technology, 18(5), pp. 1349-1356. ISSN 1726-0531
Abstract
Purpose: This study aims to focus on the grid connected inverter. Design/methodology/approach: The grid connected inverter for harmonic suppression was designed, the topological structure of the inverter and the design of LCL filter were analyzed, then a PIR controller was proposed and finally simulation and experiment were carried out. Findings: The simulation results showed that the distortion rates of the 5th, 7th and 11th harmonics under PIR control were 0.14%, 0.13% and 0.06%, respectively, which were significantly lower than that under PI control. The system test results also showed that the current waveform under PI control was rough and total harmonic distortion (THD) content was 3.8%; under PIR control, the grid connected current waveform was relatively smooth, with fewer spikes and burrs, and the THD content was 1.9%, indicating that the harmonics were effectively suppressed. Originality/value: The experimental results verify that the inverter and PIR controller designed in this study are effective for harmonic suppression. This work makes some contributions to the improvement of the effect of harmonic suppression and promotion of the better application of grid connected inverter.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | distributed generation; grid connected inverter; harmonic suppression; passive infra-red control algorithm |
| Index terms: | promotion, distributed generation, experiment, methodology, distortion, control algorithm |
| Subjects: | data collection methods, energy systems, algorithms, research methods, management, networking |
| Topics: | Human Resources, Digital Applications, Sustainability, Research Practice, Engineering Principles |
| Descriptive scope: | 4 PCTE |
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