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인버터 고전압 전원공급장치를 이용한 펄스전원공급장치 연구
박성수(S.S. Park),김상희(S.H. Kim),황정연(J.Y. Hwang),남상훈(S.H. Nam),이경태(K.T. Lee),김흥근(H.G. Kim) 전력전자학회 2004 전력전자학술대회 논문집 Vol.- No.-
The klystron-modulator(K&M) system of the Pohang Light Source(PLS) had been supplying high power microwaves for the acceleration of 2.5 GeV electron beams since October 2002. There are 12 sets of K&M systems to accelerate electron beams to 2.5GeV nominal beam energy. One module of the K&M system consists of an 80 MW S-band (2856 MHZ) klystron tube and the matching 200 MW modulator. In order to obtain electron beam of the consequently stability for linac, the pulse-to-pulse beam voltage regulation is less than +/- 0.5 %. To get the reliable stability of the modulator which is less than +/- 0.5 %, a charging section is improved in a modulator which has been operated with inverter power supply.