2Peng F Z, Lai J S. Dynamic performance and control of a static var generator using cascade multilevel inverters [ J ].IEEE Transactions on Industry Applications, 1997,33 (3) : 748 - 755.
3SINGH B N, CHANDRA A, K AI - HADDAD. DSP - based indirect - current- controlled STATCOM[J]. IEEE Proc-Electr.Power. Appl,2000,147(2) : 107 - 108.