Pulse density modulated control for the series resonant multi-inverter for induction heating applications
Óscar Lucía, Héctor Sarnago, José M. Burdío
Abstract
Óscar Lucía, Héctor Sarnago, José M. Burdío
Abstract
Induction heating has evolved in recent years towards flexible cooking surfaces with multiple control possibilities. This paper reviews the series resonant multi-inverter topology as a versatile and cost-effective solution for multi-load induction heating systems and analyzes pulse density modulated control strategies with a special focus on the EMC behavior. The main control strategies are explained and the main experimental results are presented using a 9-load 3.6 kW inverter.
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Induction heating has evolved in recent years towards flexible cooking surfaces with multiple control possibilities. This paper reviews the series resonant multi-inverter topology as a versatile and cost-effective solution for multi-load induction heating systems and analyzes pulse density modulated control strategies with a special focus on the EMC behavior. The main control strategies are explained and the main experimental results are presented using a 9-load 3.6 kW inverter.
Key concepts: Induction heating, Resonant inverter, Inverter, Series (stratigraphy), Pulse-width modulation, Pulse (music), Focus (optics), Control (management)