AC circulating currents suppression in modular multilevel converter. - Xu She; Alex Q. Huang; Xijun Ni; Rolando Burgos (IECON, 2012)

Operation principles of bidirectional isolated AC/DC converter with natural clamping soft switching scheme. - Suxuan Guo; Xijun Ni; Kai Tan; Alex Q. Huang (IECON, 2014)

Standalone operation of a single phase medium voltage solid state transformer in distribution grid. - Fei Wang 045; Gangyao Wang; Alex Q. Huang; Xijun Ni; Wensong Yu (IECON, 2014)