3 ms·
J1772 can handle up to 80 amps, but cords can vary anywhere from 16-80. How does the charger determine the ampacity of the user's cord?
by p1mrx 3y ago
J1772 can handle up to 80 amps, but cords can vary anywhere from 16-80. How does the charger determine the ampacity of the user's cord?
- supergeek 3y agoIn the Type 2 spec there is an additional resistor on the control pins of the cord that communicate the current capacity of the cord to the car. That, along with the signaled capacity of the station gives the car the maximum current it can draw. https://en.wikipedia.org/wiki/Type_2_connector https://en.wikipedia.org/wiki/Type_2_connector
- p1mrx 3y agoInteresting, I wonder if resistor-coded detachable cables could be retrofitted into J1772 or NACS without breaking compatibility. As long as it's possible, it'll probably happen eventually.