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摘要
The paper presents the experimental and simulation study of the balancing process forced by passive RLC circuit in a multicell ac/ac converter. The multicell ac/ac converter bases on the flying capacitor concept. Appropriate charging and reversing charge of the flying capacitors in the converter is necessary for its proper operation. This is achieved by application balancing circuit - a series RLC circuit connected at the converter output, that improves natural balancing process in the converter. The main issue is the correct choice of the balancing circuit characteristic impedance and the converter parameters (switching frequency, capacitances of cells capacitors) that allows maintaining a correct shape and proportion of voltages across cells capacitors at minimum balancing current.
- 出版日期2009
