1. [1] G. Zhang, et al.: “Power electronics converters: past, present and future,” Renew. Sustain. Energy Rev. 81 (2018) 2028 (DOI: 10.1016/j.rser.2017.05.290).
2. [2] K. Itoh, et al.: “28W/cm3 high power density three-port DC/DC converter cell for dual-voltage 12-V/48-V HEV subsystem,” IEICE Electron. Express 14 (2017) 20170781 (DOI: 10.1587/elex.14.20170781).
3. [3] G. Zhang, et al.: “Enhanced one-cycle control for multicell power converters,” IEEE Trans. Power Electron. 35 (2020) 8846 (DOI: 10.1109/TPEL.2020.2967630).
4. [4] L. Zhao, et al.: “A dual half-bridge converter with hybrid rectifier for DC power supply in railways systems,” IEEE Trans. Power Electron. 35 (2020) 4579 (DOI: 10.1109/TPEL.2019.2946046).
5. [5] J.K. Chen, et al.: “Harmonic circulation and DC voltage instability mechanism of parallel-SVG system,” IET Renew. Power Gener. 14 (2020) 793 (DOI: 10.1049/iet-rpg.2019.0513).