In response to the load control signal, the controller interrupts {HEAD ~ supply} of {TAIL ~ power} from the power system to the first load, thereby reducing demand on the power system 
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In response to the load control signal , the controller interrupts { HEAD ~ supply } of { TAIL ~ power } from the power system to the first load , thereby reducing demand on the power system
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH