{HEAD ~ A pulse controlled inverter} 16 is connected to the intermediate circuit 12 fed with d.c. voltage and generates a variable frequency three phase voltage for feeding the variable speed drive motor 7 with the necessary drive energy, and has {TAIL ~ a modulation amplitude} from in the vicinity of zero to the full drive setting 
has
{ HEAD ~ A pulse controlled inverter } 16 is connected to the intermediate circuit 12 fed with d.c . voltage and generates a variable frequency three phase voltage for feeding the variable speed drive motor 7 with the necessary drive energy , and has { TAIL ~ a modulation amplitude } from in the vicinity of zero to the full drive setting
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH