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Passive Power Factor Correction Circuits for Electronic Ballasts using Voltage-Fed and Current-Fed Resonant Inverters G. Chae; T.H. Ryoo; G.H. Cho, 전력전자학회 논문지, v.4, no.6, pp.515 - 522, 1999-12 |
Practical Series-Parallel Compensated Uninterruptible Power Supply S.J. Jeon; G.H. Cho, 전기학회논문지, v.48B, no.6, pp.322 - 329, 1999-06 |
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