Thanks for all the comments / references. Gaining clearer understanding now. Fly-ball Governor - check, have seem these on top of elevators. Also appreciate references to the adopted "vernacular" on the evolution of phrases stemming from FBGs. Keep it clean, boys!
Sure I'll have many more...
New to forum; M.E. migrating to T&D role in ESCO. Having difficulty understanding Frequency and Voltage relationships in grid and ultimately for qualifying and registering assets for Reserves and Regulation programs. From M.E. perspective - Voltage = Pressure; Current = Flow; Resistance = Pipe...