【摘要】 本文介绍了我国新研制成的首条并网运行的热绝缘型30M-35KV/2000A高温超导电缆制冷系统。该制冷系统主要有液氮泵箱、过冷箱、高真空输液管道、液氮贮槽、辅助减压抽空系统、泵箱及气动阀门供气系统、监控系统所组成。冷却方式是过冷液氮循环,制冷方式是G-M制冷机和减压抽空(备用)。给出了制冷系统的运行结果。更多还原

【Abstract】 The new development of the cryogenic LN2 system for the first 30 m,35kV/2kA Ac HTS power cable with hot insulates in China is described in this paper.The capacity of the cryogenic LN2 system is 2250W/75K.The temperature of the inlet and outlet of HTSC is approximately 74K and 79K.The refrigeration of system is provided by G-M refrigerator,and circulated by the liquid nitrogen pump.There is a decompression system for the affixation refrigeration.The successful results of tests and experiments of the cryogenic LN2 system etc.are introduced.更多还原