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Design and Test Results of High-Power Pulse Generator System for Industrial Accelerator Application
S. D. Jang(장성덕),S. H. Kim(김상훈),H. Y. Yang(양해룡),M. H. Cho(조무현),I. S. Ko(고인수),W. Namkung(남궁원) 대한전기학회 2009 대한전기학회 학술대회 논문집 Vol.2009 No.7
A conventional linear accelerator system requires a flat-topped pulse with less than ± 0.5% ripple to meet the beam energy spread requirements and to improve pulse efficiency of RF systems. A a line-type pulsed modulator is widely used in pulsed power circuits for applications such as accelerators, radar, medical radiation, or ionization systems. The high-voltage pulse generator system with an output voltage of 284 ㎸, a pulse width of 10 ㎲, and a rise time of 0.84 ㎲ has been designed and fabricated to drive a klystron which has 30-㎿ peak and 60-kW average RF output power. The high-voltage test was performed using the klystron load. This thesis describes the design and test results of high-power pulse generator system for industrial accelerator application. The experimental results were analyzed and compared with the design.
산업용 선형가속기 시스템 적용을 위한 30MW 클라이스트론용 고 평균전력 펄스 트랜스포머의 설계
장성덕(S. D. Jang),손윤규(Y. G. Son),권세진,오종석(J. S. Oh),문성익(S. I. Moon),김상호,조무현(M. H. Cho),남궁원(W. Namkung),Y. S. Bae,H. G. Lee 대한전기학회 2006 대한전기학회 학술대회 논문집 Vol.2006 No.7
An L-band linear accelerator system for e-beam sterilization is under design for bio-technology application. The klystron-modulator system as RF microwave source has an important role as major components to offer the system reliability for long time steady state operation. A PFN line type pulse generator with a peak power of 71.5-㎿, 7 ㎲, 285 pps is required to drive a high-power klystron. The high power pulse transformer has a function of transferring pulse energy from a pulsed power source to a high power load. The pulse transformer producing a pulse with a peak voltage of 275 ㎸ is required to produce 30-㎿ peak and 60 ㎾ average RF output power at the frequency of 1.3-㎓. We have designed the high power pulse transformer with 1:13 step-up ratio. The peak and average power capability is 71.5-㎿ (275 ㎸, 260 A at load side with 7 ㎲ pulse width) and 130 ㎾, respectively. In this paper, we present a system overview and initial design results of the high power pulse transformer.