Control systems for various types of plural power sources are disclosed, including DC generators, hydraulic variable displacement pumps and {HEAD ~ AC generators} driven by {TAIL ~ a constant speed drive} 
Control systems for various types of plural power sources are disclosed , including DC generators , hydraulic variable displacement pumps and { HEAD ~ AC generators } driven by { TAIL ~ a constant speed drive }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL