BasicMicro

Thx!

I am trying to calculate the size of required pre-charge resistor for my 2x60AHV powered with 48V Li-ion battery. According to the documentation, capacitor bank is 2820uF. I guess one second of precharging would be enough for me. Using the formula "(charging time / 3) / capacitance in farads&qu...

3. You need a bypass diode on any point in your circuit that can break/open during operation. Fuse and Contactor usually. They should be rated for 1a to 3amps continuous. Peak current ratings will usually be hundreds of amps. THey only need to handle a case where the switch/fuse opens while the mot...

First of all, thank you for great and very useful answers... 1. It is a very powerful motor, but I expect max 60A (calculated 58A) in any condition. It is a 30 lbs cablecam driven on 1:5 gear ratio. But controller itself has a current limiter anyway, that is supouse to help, right? 2. I will do that...

I finnaly got my 2x60AHV controller and I want to protect it well from voltage spikes during regenerative braking. My system is consist of: 1. 15Ah 48v li-ion battery (90A constant, 120peak) with BMS that will cutoff from overcharging, 2. 200A golf cart contactor with 10W 470ohm precharge resistor, ...