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Abstract:
The characterization of the RF circulator of the Hefei Light Source is introduced. The arc phenomenon of circulator caused by RF harmonic or beam lost is analyzed in detail. In the case of the arc due to RF harmonic, the harmonic resonance on the RF transmission line has been observed from measurement. In the second case, the response of RF system to beam lost is described, and some related factors are discussed. A fast interlock circuit has been inserted into the RF system in order to protect the circulator.
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