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