The object of the present invention is {HEAD ~ a process} for controlling {TAIL ~ the active power} injected into the grid by a generating plant for contributing to the stability of the power grid in the event of frequency variations 
for controlling
The object of the present invention is { HEAD ~ a process } for controlling { TAIL ~ the active power } injected into the grid by a generating plant for contributing to the stability of the power grid in the event of frequency variations
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL 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