The development and validation of an advanced two-level Voltage Source Back-to-Back Converter model, considering its multi-physics operation, is presented in this paper. Based on a set of input parameters, the proposed model evaluates the converter in terms of input current ripples, transient performance, losses, and total volume. The model is discussed separately in three parts: modulation and control analysis, semiconductor loss estimations and heatsink sizing, and passive components sizing, i.e. for the boost inductors and DC-link capacitor. The performance analysis and loss calculations are verified to be accurate using time-domain simulations and experimental loss measurements. Due to its computational efficiency and accuracy, the proposed model is suitable for use within an optimization design environment. © 2019 IEEE.
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