• Title/Summary/Keyword: Science Laboratory

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Design and Operational Charcteristics of 150MW Pulse Modulator (150MW 펄스 MODULATOR의 설계 및 동작특성)

  • Park, S.S.;Oh, J.S.;Lee, K.T.;Kim, S.H.;Son, Y.K.;Choi, K.;Chang, S.D.;Park, S.W.;Nam, S.H.;Cho, M.H.;NamKung, W.
    • Proceedings of the KIEE Conference
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    • 1992.07b
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    • pp.928-930
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    • 1992

  • The design beam energy of PLS(Pohang Accelerator Laboratory) Linac is 2Gev. The linac employs total 11 units of modulators and klystrons. The maximum peak output powers of the modulators are 200MW (400kV, 500A, 4.4$\mu$S flat-top, 800$\Omega$ load) to drive the klystrons which have the peak microwave power of 80MW. Prior to the development of the 200MW modulators, a prototype 150MW modulator has been constructed and tested. We have achieved output pulses of 350kV, 420A and 3.5$\mu$S flat-top with 840$\Omega$ water load. In this article, the test results and computer simulations of charging, De-Q'ing, and discharging are presented.

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