Bears OLB Leonard Floyd (concussion) is listed as doubtful for Week 17. As fellow OLB Pernell McPhee (shoulder) was listed as questionable after not practicing all week, the Bears may be without two of their top edge pass rushers against the Vikings.
Solar Controllers. In a solar thermal system, the controller measures the temperature of the solar collector and one or more points in the storage tank and then powers the circulation pump(s) and motorized valve(s).
PWM and MPPT charge controllers are both widely used to charge batteries with solar power. The PWM controller is in essence a switch that connects a solar array to the battery. The result is that. the voltage of the array will be pulled down to near that of the battery.