6533b861fe1ef96bd12c4361

RESEARCH PRODUCT

Mixed Harmonic Elimination Control for a Single-Phase 9 Level Grid-Connected Inverter

Concettina BuccellaVincenzo CastigliaGiuseppe SchettinoRosario MiceliFabio ViolaM.c. CimoroniCarlo Cecati

subject

Total harmonic distortionselective Harmonic elimination (SHE)business.industryComputer scienceTotal Harmonic Distortion (THD)Electrical engineeringModulation indexEnergy Engineering and Power TechnologyConvertersAC powerGridDC-AC conversionHarmonic MitigationSettore ING-IND/31 - ElettrotecnicaComputer Networks and CommunicationArtificial IntelligenceHarmonicsMultilevel InverterWaveformInverterSafety Risk Reliability and Qualitybusiness

description

The power quality requirements are increasingly stringent, due to the continuous growth of devices connected to the grid that introduce harmonics. These devices include DC to AC energy conversion systems, i.e. grid connected inverters. The design, control and operation of these systems must take into account the rules of interconnection to the electricity grid. To improve the quality of the output waveform of the grid-connected inverter, Multilevel Converters (MC) with selective harmonic elimination modulation technique can be used. This paper presents a single-phase nine level grid-connected inverter with DC/DC input stages. The obtained switching angles for THD minimization are independent of the modulation index. The proposed control technique is able to regulate both the active and the reactive power, acting respectively on the control of the DC/DC and the inverter stages.

yearjournalcountryeditionlanguage
2018-12-012018 International Conference on Smart Grid (icSmartGrid)
https://doi.org/10.1109/isgwcp.2018.8634487