August 13, 2011: This Ford Ranger EV has commuted reliably to work for 21 consecutive days with no problems. Our Goal: 30 consecutive days of commuting. On 8/12, I drove the EV another 14 miles. Afterwards, pack voltage was 152.0 V. State of Charge was ~ 73%. Ambient temperature at charge was 60 degrees F. Installed final replacment MK3 BMS regulator and ran all RJ6 cable between all 12 MK3 regulators. All addesses were set. Upper limits on all regulators were set to 14.5V. BMS regulators are communicating.
Started Charge: Turned current to 29.0 Amps for 1 hour and 9 minutes to 171.0 V.
Charger turned itself down current to 21 Amps for 9 minutes to 170V.
At this time, Regulator #1,#2 ,#3,#7 reached 14.50V first. This was the high voltage limit set. Regulator 7 is the highest battery voltage which hit 14.9V at 1 hour and 18 minutes. Regulator 9 was always the lowest battery pair at 14.9V at end of charge. Charge time was 1 hour and 18 minutes.
NEXT: Plan to turn/tune potentiometer down a little bit and observe if PFC 30 turns down/off properly at end of charge. Today, we are driving to Landmark Ford ~16Miles.
Started Charge: Turned current to 29.0 Amps for 1 hour and 9 minutes to 171.0 V.
Charger turned itself down current to 21 Amps for 9 minutes to 170V.
At this time, Regulator #1,#2 ,#3,#7 reached 14.50V first. This was the high voltage limit set. Regulator 7 is the highest battery voltage which hit 14.9V at 1 hour and 18 minutes. Regulator 9 was always the lowest battery pair at 14.9V at end of charge. Charge time was 1 hour and 18 minutes.
NEXT: Plan to turn/tune potentiometer down a little bit and observe if PFC 30 turns down/off properly at end of charge. Today, we are driving to Landmark Ford ~16Miles.
