1.

Record Nr.

UNINA9910637735503321

Autore

Zhang Chenghui

Titolo

Advanced control of grid-connected high-power converters / / Chenghui Zhang

Pubbl/distr/stampa

Gateway East, Singapore : , : Springer, , [2023]

©2023

ISBN

9789811989988

9789811989971

Descrizione fisica

1 online resource (279 pages)

Disciplina

621.313

Soggetti

Electric current converters

Electric power distribution - Automation

Lingua di pubblicazione

Inglese

Formato

Materiale a stampa

Livello bibliografico

Monografia

Nota di bibliografia

Includes bibliographical references and index.

Nota di contenuto

Intro -- Preface -- Acknowledgements -- Contents -- About the Author -- Abbreviations -- 1 Introduction -- 1.1 Application of High-Power Grid-Connected Converters -- 1.2 Configurations of High-Power Grid-Connected Converter -- 1.2.1 Parallel Power Switches -- 1.2.2 Parallel Power Converter Modules -- 1.3 Operating Challenges -- 1.3.1 Non-ideal Power Grid -- 1.3.2 Switches Faults -- 1.3.3 Circulating Current -- 1.4 Content of This Book -- References -- 2 Fundamentals of Grid-Connected Power Converters -- 2.1 Operating Principle -- 2.1.1 Single-Phase Power Converter -- 2.1.2 Three-Phase Three-Leg Power Converter -- 2.1.3 Three-Phase Four-Leg Power Converter -- 2.2 Modeling -- 2.2.1 Single-Phase Power Converter -- 2.2.2 Three-Phase Three-Leg Power Converter -- 2.2.3 Three-Phase Four-Leg Power Converter -- 2.3 Control Schemes -- 2.3.1 Phase-Locked Loop -- 2.3.2 Current Control Loop -- 2.3.3 Voltage Control Loop -- 2.3.4 Neutral Point (NP) Voltage Control Loop -- 2.4 Summary -- References -- 3 Control of Single-Phase High-Power Converter -- 3.1 Operating Principle -- 3.2 Modeling and Analysis of Circulating Current (CC) -- 3.2.1 Modeling -- 3.2.2 Analysis -- 3.3 Control Schemes -- 3.3.1 Control of Grid Current Without AC Voltage Sensor -- 3.3.2 Control of NP Voltage Balance with Switching Losses Reduction -- 3.3.3 Control Strategy for Circulating Current Suppression -- 3.4



Experimental Verification -- 3.4.1 Control Performance of Grid Current Tracking -- 3.4.2 Control Performance of NP Voltage Balance and Switching Losses Reduction -- 3.4.3 Control Performance of Circulating Current Suppression -- 3.5 Summary -- References -- 4 Control of Three-Phase Three-Leg High-Power Converter -- 4.1 Operating Principle -- 4.2 Modeling -- 4.2.1 Switched Model -- 4.2.2 Quasi-Averaged Switch Model -- 4.2.3 Averaged Switch Model -- 4.3 Control Schemes.

4.3.1 Control Strategy for Low-Frequency Zero-Sequence Circulating Current (LFZSCC) Suppression -- 4.3.2 Control Strategy for High-Frequency Zero-Sequence Circulating Current (HFZSCC) Suppression -- 4.4 Experimental Verification -- 4.4.1 Control Performance of LFZSCC Suppression -- 4.4.2 Control Performance of HFZSCC Suppression -- 4.5 Summary -- References -- 5 Control of Three-Phase Three-Leg High-Power Converter Under Non-ideal Conditions -- 5.1 Under Unbalanced Power Grid and Asymmetric Filter Inductor Conditions -- 5.1.1 Operating Principle -- 5.1.2 Modeling -- 5.1.3 Control Schemes -- 5.1.4 Experimental Verification -- 5.2 Under Power Switches Fault Conditions -- 5.2.1 Operating Principle -- 5.2.2 Modeling -- 5.2.3 Control Schemes -- 5.2.4 Experimental Verification -- 5.3 Summary -- References -- 6 Control of Three-Phase Four-Leg High-Power Converter -- 6.1 Operating Principle -- 6.2 Modeling -- 6.2.1 Switched Model -- 6.2.2 Quasi-Averaged Switch Model -- 6.3 Control Schemes -- 6.3.1 Control Strategy for Zero-Sequence Circulating Current Suppression -- 6.3.2 Control of NP Voltage Balance -- 6.3.3 Overall Control Schemes -- 6.4 Experimental Verification -- 6.4.1 Control Performance of Harmonic Compensation -- 6.4.2 Control Performance in Steady State -- 6.4.3 Control Performance in Dynamic State -- 6.5 Summary -- References.