Yu, Qiang. <br/><br/>
Advanced 2N+1 submodule unified PWM with reduced DC-link current ripple for modular multilevel converters / 
Qiang Yu, Fujin Deng, Chengkai Liu, Zheng Wang, Binbin LI, and Frede Blaabjerg. 
 - New York ;   The Institute of Electrical and Electronics Engineers, Inc. ,   April 2022. 
 - Volume 37, pages 4261-4274 :  illustration ;  28 cm. 
<br/><br/> IEEE Transaction on Power Electronics, vol. 37, no. 4, pages 4261-4274, April 2022. 
<br/><br/><label>Dewey Class. No.: </label>DPer 621.381 In821 April 2022 v. 37 n. 4