| 摘要 |
PROBLEM TO BE SOLVED: To provide a cooling fluid system which can supply cryogenic cooling fluid to a high-temperature superconducting machine having high reliability. SOLUTION: This cooling fluid system includes a main cooling system (52 and 88) and a second cooling system (54). The second cooling system includes a storage apparatus (74), having first cryogenic cooling fluid (70) and at least one cooling joint (82), through which the first cryogenic cooling fluid flowing from the storage apparatus and second cryogenic cooling fluid flowing through the main cooling system are thermally linked with each other. A vent (84) is provided in a cryogenic coolant line (80). With such a constitution, even if the main cooling system is not in operation, the cryogenic cooling fluid can be supplied to a high-temperature superconducting machine.
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