ELOG Solenoid

Solenoid logbook

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Entry time:	Wed Jan 15 13:45:24 2025
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> When performing last nights refrigerator adjustments I also increased the > compressor discharge pressure to 11.25 barA. Also the backup air compressor > was tripped off again and I reset it. Finally I opened the city water flow > to the compressor water package chiller. PI110-1 reads 9.25 barA and PI120-1 > reads just over 4 barA. Both power lead flowmeters pegged to top of scale. > Reset the "first trip" device that Don Dale had loaned us. > > This morning the power leads had crept up slightly but still well below > trip settings. Oscillations have not appeared yet. LHe vessel heater at > about 14 to 15 %. Shield heat at about 16 %. Saved screen shots of > m9_solenoid.dl and striptool windows to files may6_04_0900.BMP and > may6_04_0905.BMP. TE106 is 81.6 Kelvin. Solenoid Current is stable at 404 > Amps. (DVM meter reads 20.2) Both power lead flowmeters still pegged to top > of scale. > > Closed HIC142 for 1 second then opened it wide open again to see effect on > power lead flows. Other than the initial blip they just fall back to their > previous value, no improvement. See file may6_04_0915.BMP. Adjusting > turbine speeds slightly. Going to take a check in the compressor building > then going on to other work. Encoding: HTML ELCode plain Suppress Email notification

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