Model-Based Control of an Inverter for Wide Range Soft-Switching Operation
Conference: PCIM Europe 2019 - International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management
05/07/2019 - 05/09/2019 at Nürnberg, Deutschland
Proceedings: PCIM Europe 2019
Pages: 8Language: englishTyp: PDF
Personal VDE Members are entitled to a 10% discount on this title
Authors:
Manthey, Felix; Gorodnichev, Anton; Langnes, Eivind; Pangalos, Georg; Haase, Frerk (Fraunhofer Institute for Silicon Technology ISIT, Application Center Power Electronics for Renewable Energy Systems, Germany)
Abstract:
This paper presents a novel, control-based approach for soft-switching operation of a single-phase PWM inverter with high switching frequencies of up to 400 kHz. Model-based and optimal control theory is used together with classical gain scheduling in order to obtain an adaptive linear quadratic Gaussian (LQG) controller. Modeling and controller synthesis are complemented by a practical verification of the concept, based on prototype measurements, and with a theoretical analysis of the soft-switching operating region verified by simulation and measurements.