TY - GEN
T1 - Current balancing strategy in parallel-connected legs of power inverters
AU - Pou, Josep
AU - Zaragoza, Jordi
AU - Capella, Gabriel
AU - Gabiola, Igor
AU - Ceballos, Salvador
AU - Robles, Eider
N1 - Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected].
PY - 2009
Y1 - 2009
N2 - 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.
AB - 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.
KW - Converter control
KW - Current balance
KW - Modulation strategies
KW - Parallel legs
KW - Pulsewidth modulation
UR - http://www.scopus.com/inward/record.url?scp=72949098032&partnerID=8YFLogxK
UR - https://www.scopus.com/record/pubmetrics.uri?eid=2-s2.0-72949098032&origin=recordpage
M3 - RGC 32 - Refereed conference paper (with host publication)
SN - 9781424444328
T3 - 2009 13th European Conference on Power Electronics and Applications, EPE '09
BT - 2009 13th European Conference on Power Electronics and Applications, EPE '09
T2 - 2009 13th European Conference on Power Electronics and Applications, EPE '09
Y2 - 8 September 2009 through 10 September 2009
ER -