I looked again a video of Flexy. And drew attention to the no-load current. 30A!
76.6V * 30A = 2500Watt no-load
When properly connected current should be about 5A.
yokneamcity wrote:It is possible to connect 12 volts from external DC/DC (78V to 12V) to the output of the Voltage regulator on MCU board.
flexy wrote:yokneamcity wrote:It is possible to connect 12 volts from external DC/DC (78V to 12V) to the output of the Voltage regulator on MCU board.
Can you show where that connects on the MCU?
flexy wrote:That's a tidy installation, nice!
I'm surprised you are getting that controller hot, I expected it to handle the power better.
Maybe when you raise the voltage it will run cooler, more volts=less amps?
yokneamcity wrote:+30-35 C
yokneamcity wrote:This monster controller!
Where you will plase it?
flexy wrote:72 km/h! I was hoping to get more at that voltage, it's still a good improvement. What sort of range are you getting?
That's a good idea to use BMS to switch a relay. I was thinking of doing the same with my Evassemble BMS, then I can send regen current straight to the battery too.
I'm still waiting for a new controller so no progress yet
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