Boira-Pujol, Pau (Universitat Politecnica De Catalunya), Ortega, Romeo (Insituto Tecnologico Autonomo de Mexico, ITA630119398), Doria-Cerezo, Arnau (Technical Univ. of Catalonia (UPC)), Grino, Robert (Universitat Politecnica de Catalunya)

PI Passivity-Based Control of a Stand-Alone Three-Phase Current Source Inverter

Scheduled for presentation during the Regular Session "Nonlinear and robust control of power systems" (ThuS2T3), Thursday, July 11, 2024, 12:30−12:50, Session room 3

12th IFAC Symposium on Control of Power & Energy Systems, July 10-12, 2024, Rabat, Morocco

This information is tentative and subject to change. Compiled on January 2, 2025

Abstract

This paper presents the design of a Proportional-Integral Passivity-based Controller (PI-PBC) for a current source inverter feeding a resistive load. Thanks to the definition of a new passive output, the closed-loop system is shown to be globally asymptotically stable. This result solves the internal stability problem reported for these power converters. To robustify the control algorithm, the paper also includes the design of a parameter estimation scheme for the parasitic resistances and the load conductance. Numerical simulations are carried out to validate the control algorithm. The simulation stage compares the behavior using the averaged model of the power converter and a more realistic switching model, including the three-phase implementation.