Xianming Deng, Na Liu, Yuanda Sun, Qifen Guo, and Miaofei Zhang. 2021. “Design and Analysis of a Novel Variable Frequency Transformer”. The Applied Computational Electromagnetics Society Journal (ACES) 33 (08):904-12. https://journals.riverpublishers.com/index.php/ACES/article/view/9049.