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Development of d.c. power supply for gyrotron with energy recovery system

M. Tsuneoka, H. Fujita, K. Sakamoto, A. Kasugai, M. Ishibashi1997年Fusion Engineering and DesignIF 1.7出版社

AbstractA new type of power supply system for a gyrotron with collector potential depression (CPD) to enhance gyrotron efficiency was developed. The power supply system is composed of a main power supply (MPS) and an acceleration power supply (APS). The APS which provides the stable high field to the magnetron injection gun (MIG) of the gyrotron is the key point of the system. The DC-DC converter technique is applied to the APS and it can output 100 kV of maximum voltage within ±0.5% stability and 300 mA of maximum current. The CPD gyrotron operation was successfully achieved with an efficiency of 48% and power of 350 kW for 5 s at 110 GHz. The stable gyrotron operation, without regulation of MPS, which provides the d.c. input power to the gyrotron, has been demonstrated by the combination of the APS and MPS.

日本語訳

ジャイロトロンの効率を向上させるためのコレクタ電位降下(CPD)を備えた新型電源システムを開発した。本電源システムは、主電源(MPS)と加速電源(APS)で構成される。ジャイロトロンのマグネトロン入射銃(MIG)に安定した高電圧を供給するAPSが本システムの要となる。APSにはDC-DCコンバータ技術が適用されており、最大電圧100kVを±0.5%の安定度で、最大電流300mAで出力することができる。CPDジャイロトロンの動作は、110GHzにおいて効率48%、出力350kWを5秒間達成することに成功した。ジャイロトロンに直流入力電力を供給するMPSの調整を必要としない安定したジャイロトロン動作は、APSとMPSの組み合わせによって実証された。

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