Li, Rongguan. <br/><br/>
A novel hybrid DC transformer combining modular multilevel converter structure and series-connected semiconductor switches / 
Rongguan Li, Wu Chen, Shuai Shao, Haozhe Jin, Liangcai Shu, and Shilong Gao. 
 - New York ;   The Institute of Electrical and Electronics Engineers, Inc. ,   May 2022. 
 - Volume 37, pages 5699-5713 :  illustration ;  28 cm. 
<br/><br/> IEEE Transactions on Power Electronics, vol. 37, no. 5, pages 5699-5713, May 2022. 
<br/><br/><label>Dewey Class. No.: </label>DPer 621.317 Ie21 May 2022 v. 37 n. 5