Description: in Hertz (Hz) specified by the manufacturer for the normal usage of a generator, and the accessory or associated equipment; Name: rated frequency
Description: Clarification of the object to a certain frequency which repeats itself regularly; Name: Nominal frequency
Description: proportion of pump available power input, pa, which is delivered as pump power output, pu, after satisfying the losses resulting from friction due to the relative motion of internal surfaces and internal leakage; Name: hydraulic efficiency