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http://dx.doi.org/10.6113/JPE.2016.16.2.769

Current Sharing Control Strategy for IGBTs Connected in Parallel  

Perez-Delgado, Raul (Barcelona College of Industrial Engineering (EUETIB), Universitat Politecnica de Catalunya.BarcelonaTech)
Velasco-Quesada, Guillermo (Barcelona College of Industrial Engineering (EUETIB), Universitat Politecnica de Catalunya.BarcelonaTech)
Roman-Lumbreras, Manuel (Department of Electronic Engineering, Universitat Politecnica de Catalunya.BarcelonaTech)
Publication Information
Journal of Power Electronics / v.16, no.2, 2016 , pp. 769-777 More about this Journal
Abstract
This work focuses on current sharing between punch-through insulated gate bipolar transistors (IGBTs) connected in parallel and evaluates the mechanisms that allow overall current balancing. Two different control strategies are presented. These strategies are based on the modification of transistor gate-emitter control voltage VGE by using an active gate driver circuit. The first strategy relies on the calculation of the average value of the current flowing through all parallel-connected IGBTs. The second strategy is proposed by the authors on the basis of a current cross reference control scheme. Finally, the simulation and experimental results of the application of the two current sharing control algorithms are presented.
Keywords
Current imbalance; Current sharing; IGBT parallel operation;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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