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OPERATION RESULTS OF 1MW RF SYSTEMS FOR THE PEFP 20MEV LINAC

Kyung-Tae Seol, Hyeok-Jung Kwon, H. S. Kim, Y. S. Cho

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Abstract

The PEFP (Proton Engineering Frontier Project) 20 MeV linear accelerator is composed of a 3 MeV RFQ and 20 MeV DTL. Two sets of 1 MW, 350 MHz RF systems drive the RFQ and DTL. The RF system can perform a 100 % duty operation. The TH2089F klystron is used as an RF source. During the test operation, only the driving RF signal of the klystron was operated in pulse mode, while the electron beam was maintained in DC mode. The klystron power supplies and cooling systems were also operated in 100 % duty mode. In this paper, we will discuss the operation results of 1 MW RF systems including klystron power supply and cooling system, and propose possible options to improve the operation conditions based on the results.

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What this paper is about

The PEFP (Proton Engineering Frontier Project) 20 MeV linear accelerator is composed of a 3 MeV RFQ and 20 MeV DTL. Two sets of 1 MW, 350 MHz RF systems drive the RFQ and DTL. The RF system can perform a 100 % duty operation. The TH2089F klystron is used as an RF source. During the test operation, only the driving RF signal of the klystron was operated in pulse mode, while the electron beam was maintained in DC mode. The klystron power supplies and cooling systems were also operated in 100 % duty mode. In this paper, we will discuss the operation results of 1 MW RF systems including klystron power supply and cooling system, and propose possible options to improve the operation conditions based on the results.

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Available abstract

The PEFP (Proton Engineering Frontier Project) 20 MeV linear accelerator is composed of a 3 MeV RFQ and 20 MeV DTL. Two sets of 1 MW, 350 MHz RF systems drive the RFQ and DTL. The RF system can perform a 100 % duty operation. The TH2089F klystron is used as an RF source. During the test operation, only the driving RF signal of the klystron was operated in pulse mode, while the electron beam was maintained in DC mode. The klystron power supplies and cooling systems were also operated in 100 % duty mode. In this paper, we will discuss the operation results of 1 MW RF systems including klystron power supply and cooling system, and propose possible options to improve the operation conditions based on the results.

Key concepts: Klystron, Linear particle accelerator, Duty cycle, Radio frequency, RF power amplifier, Electrical engineering, Physics, Particle accelerator

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OPERATION RESULTS OF 1MW RF SYSTEMS FOR THE PEFP 20MEV LINAC — Research Paper | ScholarLens