If {HEAD ~ the same analysis} is done for {TAIL ~ the reactive power part} of the load, typical values of a corresponding exponent βS are 0 to 4 
is done for
If { HEAD ~ the same analysis } is done for { TAIL ~ the reactive power part } of the load , typical values of a corresponding exponent βS are 0 to 4
OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH