For {HEAD ~ power output} means that draw {TAIL ~ a constant load current}, this feedback control of field winding current can compensate for fine, instantaneous variation in the velocity and pressure of the free flowing motive fluid 202 to produce a relatively constant armature voltage 
For { HEAD ~ power output } means that draw { TAIL ~ a constant load current } , this feedback control of field winding current can compensate for fine , instantaneous variation in the velocity and pressure of the free flowing motive fluid 202 to produce a relatively constant armature voltage
OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH