Enhanced Helium Compressor Operation for Sensitive Measuring Instrumentation
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The recent advances in the design of a new class of ‚Äúenergy smart‚Äù helium compressors are presented that reduces the operating cost of cryogenically cooled instrumentation. In these systems, the individual speed control of the compressor capsule and cold head motor provide for intelligent oversight and budgeting of the cooling power delivered to the cryostat based on the immediate user measurement needs. In this report, we describe important elements of the system design, which increase operational life time, yield power savings, as well as providing for a low vibration environment in which sensitive measuring instrumentation can operate without degrading its ultimate performance.