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1) Where can learn more about batteries? http://j35.us/DIYlithiumBatteryBook
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7) Why not use Supercapacitors?
A. Batteries work better at this time, caps are rare and expensive devices that are very good at doing things not needed for storage systems typically.
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Does the charger circuit have DIODES in the module that you took apart ? or are there diodes at the input of the ACTUAL CAR input ? thanks
The other two cables are DC power for the button. The button transmits to the car wirelesly (with Si4010 IC) on 433 MHz (EU) or 315 MHz (USA).
There's 3 power cables, 1 pilot, 1 control, and 2 for the wireless transmitter.
The extra wires on the relay are a current sensor per side and an output to confirm it works.
The thing you call a current sensor is actually the sensor for the GFCI/RCD.
Hope that helps.
Great tear down. From your experience, any idea about the state of affair regarding RCD in the UMC? User manual writes it detects current leak, then what happen? Does it cut power? Is there type A 30mA protection?
Thanks!
Do you know or can recommend anyone who can replace an EMMC chip on a Tesla? Thanks!
Are you kidding me..what u couldn't afford a tripod..what garbage video..
Speak in Brasil portuguese, sir, come on
As a man thats simply liked taking things apart and playing with wires and parts since I wasa young child, I can just zone out on this techporn. 😛
Wow….. I don't see transformers
Number 12 has a capacity of 20 amps.
There are two relays because each of the two live wires can electrocute the user before the charger is plugged into the car. The current sensor on the relays is a current transformer since it measures AC current, and not a hall effect sensor. Hall effect sensors are used for DC current.
Did you happen to tear open the button in the handle as well? I'm curious if they've improved the design from the first version in 2018. See my similar teardown video where water got in.
Working at a Wire Harness factory I've done Utra Sonic welds like that. THEY SUCK. They may appear to have completed the process but the components are not in fact WELDED to each other sufficiently. The bonded points of contact did not fuse deep enough . Visually it's hard to determine . .
Yuppie Appealing Form Factor.
I was just wondering were you was last night.
240V x 35A= 8.4kw Tesla charger? That's sad af. Ssssssad.
Neat tear down! Fun fact the current sense transformer is wrapped around both legs of the power, it is not necessarily measuring the current being consumed by the car but is there to sense ground faults. There will be a voltage created by the transformer only if there is a current leak to ground or some other path, this voltage would be sensed by the electronics and in turn break the connection through the relay. Keeps you from getting electrocuted.
So what failed?