Can you provide estimate how far ASV loop is from compressor? I assume there is no hot-bypass valve,which is always short loop connecting compressor downstream to upstream with no gas flowing thru cooler and suction KO. ASV can be considered at downstream of suction KO only if there is no...
rotw(mechanical),
Machine has separate dedicated auxiliary (landing) anti-friction bearings, magnetic bearings holds machine while running,being levitated,therefore temperature of magnetic bearings is important parameter to be monitored/controlled. Besides just to share, machine has permanent...
We have recently commissioned Booster Compressor driven by Turbo-expander with active magnetic bearings, everything went pretty fine during commissioning, however, after few days operation, unit was kept standby for more than three months. later, upon restart-up, unit experienced hard landing...