TUAO03
VECC, Kolkata, India
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TUAO03 |
Raspberry Pi Based EPICS Embedded Control System for Deflector Conditioning System of Superconducting Cyclotron | |
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| The electrostatic deflectors are used in Superconducting Cyclotron to extract the accelerated beam from the median plane. The electrostatic field is generated by applying high DC voltage between the deflector and the septum which is kept at the ground. During deflector operation, micro-level surface irregularities present on deflector plates may lead to electrical discharge resulting in decrease of voltage between the plates and also damage to the deflector surface. The deflectors are required to be maintained at the required voltage level for continuous beam extraction. The voltage-holding capacity of the deflectors can be enhanced by pre-conditioning them outside the cyclotron. A setup for deflector conditioning is developed in VECC. The setup consists of various equipment such as a high voltage power supply, high current power supply, vacuum system, and various safety interlocks. An EPICS-based supervisory control system is implemented using RaspberryPI for remote monitoring and control of the deflector conditioning setup. The user interface is developed using Phoebus, an upgraded version of CS Studio. The detailed design of the hardware and software and the operational experience of the system is described in this paper. | ||
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Slides TUAO03 [2.072 MB] | |
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