{HEAD ~ The duty cycle} of {TAIL ~ this pulse width modulated signal} is increased linearly from a low duty cycle such as 20% to a high duty cycle such as 100% over a time interval which is adjusted to be at least several times the length of the average transition period for closure of the contacts in the contactor 
of
{ HEAD ~ The duty cycle } of { TAIL ~ this pulse width modulated signal } is increased linearly from a low duty cycle such as 20 % to a high duty cycle such as 100 % over a time interval which is adjusted to be at least several times the length of the average transition period for closure of the contacts in the contactor
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL 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 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