Journal
IEEE TRANSACTIONS ON POWER ELECTRONICS
Volume 37, Issue 2, Pages 1982-1997Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TPEL.2021.3104759
Keywords
Topology; Batteries; Switches; Modulation; High-voltage techniques; Low voltage; Electric motors; DC; AC converters; electric vehicles (EVs); hybrid storage systems; multisource inverters (MSI); space vector modulation (SVM)
Categories
Funding
- Natural Science and Engineering Research Council of Canada (NSERC)
- Canadian Urban Transit Research & Innovation Consortium (CUTRIC)
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Multisource inverters (MSIs) are gaining considerable attention as a new approach for integrating energy and power sources in electric vehicle applications. These structures provide active control of dc sources without the need for dc/dc converters or magnetic elements, resulting in reduced weight and size of the power electronics interface. This article proposes a novel three-phase MSI for integrating and controlling high-voltage and low-voltage dc sources, with improved efficiency and power density.
Multisource inverters (MSIs) as a new approach for the integration of the energy and the power sources in electric vehicle applications have gained considerable attraction. Such structures offer the active control of the dc sources without using any dc/dc converters or magnetic elements, which reduces the weight, and the volume of the power electronics interface between the sources and the load. Moreover, high power density and improved efficiency due to the elimination of the magnetics are the other significant features of an MSI. This article proposes a novel three-phase MSI for integration and active control of a high-voltage dc source and a low-voltage dc source. The proposed MSI structure employs a smaller number of semiconductor devices at the current path in various operating modes in comparison to the previously published counterparts, which results in an improved efficiency operation. Performance of the proposed MSI using a modified space vector modulation technique for all possible operating modes is verified through simulations and experiments on a laboratory prototype
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