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Títol: Current balancing strategy in parallel-connected legs of power inverters
Autor: Pou Félix, Josep
Zaragoza Bertomeu, Jordi
Capellá Frau, Gabriel José
Gabiola, Igor
Salvador, Ceballos
Robles Sestafe, Eider
Altres autors/autores: Universitat Politècnica de Catalunya. Departament d'Enginyeria Electrònica
Editorial: EPE Association
Matèries: Àrees temàtiques de la UPC::Enginyeria electrònica i telecomunicacions::Electrònica de potència
Modulation (Electronics)
Pulse-duration modulation
Modulació (Electrònica)
Tipus de document: Conference lecture
Descripció: The parallel connection of inverter legs is a way to increase the output currents and thus the converter rated power. The connection is made by inductors and a critical issue is to achieve balanced currents among the legs. Circulating currents produce additional losses and stress to the power devices of the converter. Therefore, they should be controlled and minimized. An efficient technique to achieve such a balance is presented in this paper. The proposed strategy does not include proportional-integral (PI) controllers and parameter tuning is not required. The exact control action to achieve current balance is straightforward calculated and applied. Simulation and experimental results are shown in this paper to verify efficiency of the proposed balancing method.
Altres identificadors i accés: Pou, J. [et al.]. Current balancing strategy in parallel-connected legs of power inverters. A: European Conference on Power Electronics and Applications. "13th European Conference on Power Electronics and Applications". Barcelona: EPE Association, 2009, p. 1-9.
97890758115009
http://hdl.handle.net/2117/10866
Disponible al dipòsit:E-prints UPC
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