The system 5 further comprising {HEAD ~ a control module} that controls {TAIL ~ the current} supplied to the grid to be during an initial period of a PF regeneration cycle 
controls
The system 5 further comprising { HEAD ~ a control module } that controls { TAIL ~ the current } supplied to the grid to be during an initial period of a PF regeneration cycle
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH