Abstract
The 2.45 GHz electron cyclotron resonance ion source (ECRIS) is one of the key components of high intensity D–T fusion neutron generator, which provides a significant experimental platform for nuclear technology researches. A description of the control system for this 2.45 GHz ECRIS is presented in this paper. Distributed control technology configured with IPC and SIEMENS PLC is adopted in the control system on account of all the devices have diverse locations on the 350 kV high voltage platform. A high-speed redundancy optical fiber ring network with two SCALANCE industrial switches is constructed to accomplish network communication. Integral separation PID control algorithm is adopted to decrease the overshoots and long fluctuations generated by integral terms in the controllers. For all the devices and controllers are operated under the high voltages, strong electromagnetic fields and nuclear radiation conditions, numerous anti-interference measures are taken in this control system. Moreover, a multi-objective multi-parameter safety interlock system is constructed to break off beam production to protect operators and devices from high voltage and radiation hazards in emergency circumstances.
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