TY  - SER
AU  - li, Keli
AU  - liao, Yong
AU  - lin, Hao
AU  - Zhang, Jimiao
TI  - Circulating Current Suppression with  Improved Dc-link Power Quality  for  Modular Multilevel Converter
KW  - Modular Multilevel Converter
KW  - Circulating Current
KW  - Dc link
ER  -