Frequency‐domain‐based complete loss model for 10 kV/1 MW solid‐state transformer

Liu, Tao; Hao, Xiang; Liu, Weizeng; Li, Zhi; Yu, Xiangen; Zeng, Jie; He, Jinghan

doi:10.1049/joe.2018.9145

Cited by 2 publications

(1 citation statement)

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“…Numerous publications proposed techniques to calculate power losses based on the power electronics parameters and core losses equations [11][12][13][14][15][16]. They can be divided into three categories.…”

Section: Introductionmentioning

confidence: 99%

Power Losses Calculation for Medium Voltage DC/DC Current-Fed Solid State Transformer for Battery Grid-Connected

Hussain

Abusara

Sharkh

2020

2020 22nd European Conference on Power Electronics and Applications (EPE'20 ECCE Europe)

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Current fed solid-state transformers (CF-SSTs) offer substantial weight and size reduction advantages over 50/60Hz traditional transformers. CF-SSTs have low source current ripple which makes it suitable for the connection of large batteries in the medium voltage grid. However, power losses are high compare to the traditional one due to the high operating frequency range. Therefore, power losses calculations are the main key to select the main design parameters. Unlike most of the published work dealing one aspect of power losses or a specific element and only consider voltage fed Solid State Transformers topology (VF-SSTs), this paper presents a power losses calculation method for CF-SSTs considering all the power losses, the shape of the voltage waveforms, cores dimensions and manufacturer datasheets are main paper pros. ANSYS and Matlab Simulink are employed to validate the analytical equations. Due to simplicity, this method can be used for optimization.

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