A shift to angular and polar coordinates offers control engineers a more physically rigorous, PID-friendly approach ...
Many modern day scroll compressors incorporate a variety of internal safety controls that can actuate the internal line break motor protection (Fig. 1). Some safety features that can be found in the ...
A linear control variable yields a uniform surge margin across the full operating range and simplifies both closed-loop and ...
Liquid floodback is liquid refrigerant returning to the compressor’s crankcase during the running cycle. Refrigerant migration is refrigerant liquid or vapor returning to the compressor during the off ...