6Soares V, Verdelho P. Voltage Regulation System Design for the Four-wire Voltage-converter with Split DC Link Capacitor[J]. IEEE ISIE Conf. Ree. , 2002, 4:1 091-1 096.
7Stankovie A V,Lipo T A. A Novel Control Method for Input output Harmonic Elimination of the PWM Boost Type Rectifier Under Unbalanced Operating Conditions[J]. Power Electronics IEEE Transactions,2001,16 (5) : 603-611.
8Lin B R, Lee Y C, Yang T Y. Experimental Verification of a Three-phase Multilevel Rectifier with Reduced Number of Power Switches [J]. lEE Proe. Eleetr. Power Appl. 2003, 150(5) : 600-606.
9Lin B R. Lee Y C. Analysis and Implementation of a Three-phase Four-wire Switching Mode Rectifier Based on a Switch-clamped Scheme [J]. lEE Proc. Electr. Powe Appl., 2004,151 (3) : 268-275.
10Lin B R, Yang T Y. Experimental Verification of Three-phase Four-wire Current-regulated PWM Converter[J]. IEE Proe. Eleetr. Power Appl. , 2005, 152(3) :677-685.