This book focuses on control techniques for LCL-type grid-connected inverters to improve system stability, control performance and suppression ability of grid current harmonics. Combining a detailed theoretical analysis with design examples and experimental validations, the book offers an essential reference guide for graduate students and researchers in power electronics, as well as engineers engaged in developing grid-connected inverters for renewable energy generation systems.

Proposes full-feedforward schemes of grid voltages to improve the quality of the injected grid current Describes the behavior of the capacitor-current-feedback active-damping of LCL filter resonance in analog- and digitally-controlled systems Addresses the design considerations for the LCL filter, injected grid current regulator, and phase lock loop Combines a detailed theoretical analysis with design examples and experimental validations Includes supplementary material: sn.pub/extras

Autorentext

Xinbo Ruan received his BS and PhD degrees in Electrical Engineering from Nanjing University of Aeronautics and Astronautics (NUAA), Nanjing, China, in 1991 and 1996, respectively. In 1996, he joined the College of Automation Engineering, NUAA, where he became a Professor in 2002. From August to October 2007, he was a Research Fellow at the Department of Electronic and Information Engineering, Hong Kong Polytechnic University. Since March 2008, he has also been with the School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, Wuhan, China. He is an author or co-author of 7 books and more than 200 technical papers. His current research interests include soft-switching dcdc converters, dcac inverters, power electronics system integration, and renewable energy generation systems.

Dr. Ruan was named an IEEE Fellow in 2016. He was awarded by the IEEE Transactions on Industrial Electronics for his outstanding dedication and contributions in 2012. He was a recipient of the Delta Scholarship by the Delta Environment and Education Fund in 2003 and was a recipient of the Special Appointed Professor of the Chang Jiang Scholars Program by the Ministry of Education, China, in 2007. From 2005 to 2013, he was the Vice President of the China Power Supply Society. From 2014 to 2016, he was the Vice Chair of the Technical Committee on Renewable Energy Systems within the IEEE Industrial Electronics Society. Currently, he serves as an Associate Editor for the journals IEEE Transactions on Industrial Electronics, IEEE Transactions on Power Electronics, IEEE Journal of Emerging and Selected Topics on Power Electronics, and IEEE Transactions on Circuits and Systems-II.

Inhalt
Chapter 1. Introduction.- Chapter 2. Design of LCL Filters.- Chapter 3. Magnetic Integration of LCL Filters.- Chapter 4. Resonance Damping Solutions for LCL Filter.- Chapter 5. Controller Design for LCL-Type Grid-Connected Inverters with Capacitor-Current-Feedback Active Damping.- Chapter 6. Full Feed-Forward of Grid Voltage for Single-Phase LCL-Type Grid-Connected Inverters.- Chapter 7. Full-Feedforward Scheme of Grid Voltages for Three-Phase LCL-Type Grid-Connected Inverters.- Chapter 8. Design Considerations of Digitally-Controlled LCL-Type Grid-Connected Inverters with Capacitor-Current-Feedback Active-Damping.- Chapter 9. Reduction of Computation Delay for Improving Stability and Control Performance of LCL-Type Grid-Connected Inverters.- Chapter 10. Impedance Shaping of LCL-Type Grid-Connected Inverters to Improve Adaptability to Weak Grids.- Chapter 11. Weighted-Feedforward Scheme of Grid Voltages for Three-Phase LCL-Type Grid-Connected Inverters Under Weak Grid Conditions.- Chapter 12. Prefilter-Based Synchronous Reference Frame Phase-Locked Loop Techniques.