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Cryogenic system in fusion research tokamak integrates many components, i.e., heat exchangers, valves, cold circulating pumps, cold compressor etc., in various configurations for the cooling of superconducting (SC) magnets like Toroidal Field (TF), Poloidal Field (PF) and Central Solenoid (CS). Helium refrigerator/liquefier (R/L) serves as a source of cold power for the cryogenic cooling of magnets...
DC motor can be replace by Induction motor by controlling speed of induction motor under different conditions but it required fast dynamic response. The speed of the motor must be maintained in permissible range, under varying load condition in the system. But to compensate the speed of motor it requires prior knowledge of the load characteristics. Although external load applied on the machine and...
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