No battery solar motor system? Answered
I am competing in this solar boat race and one of their rules was that for a sprint race and a slalom race, the batteries have to be disconnected. We have 4 panels, each rated at 64W(18V), a victron MPPT 75v/15amp charger (bluetooth activated), 240W DC motor (up to 48V), 3000W PWM motor controller.
My question is, how should I configure this electrical system with solar power only? Batteries have to be disconnected and not operable.
Things that I've tried:
I put 4 panels in series (72V) and connected them to the MPPT charger. Then the load I connected them to the PWM motor controller. This was not ideal since the motor barely got any power(very slow), and the panels would over volt up to 76V which was past the 75V as advertised and system goes into overvoltage protection.
I also thought of connecting the leads of the solar panels in 36V config (2 parallel, 2 series) directly onto the PWM motor controller but decided that it was safer to ask y'all for some help first. I am open to buy a new MPPT controller that goes over 75V and return the old one, only if that is the best thing to do.
controller link: https://www.amazon.com/Victron-Smart...ords=mppt&...
Solar panels (MSX64) link: https://www.solarelectricsupply.com/...arex-MSX64...
Thanks in advance! :)