Charge cancellation in Smart and Solar mode - Githubissues

serkri / SmartEVSE-3

Smart Electric Vehicle Charging Station (EVSE)

MIT License

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Charge cancellation in Smart and Solar mode #184

Closed Elektrofix-OL closed 12 months ago

Elektrofix-OL commented 1 year ago

In smart mode, charging stops after a while and won't start again unless I go to normal and then switch back to smart after starting. At Solar the same phenomenon, although 14.5A go into the grid. It doesn't matter whether I also transfer the current from the house battery to the API, it also aborts. After the cancellation, Sate says "Connect to EV

Anyone have an idea?

My structure:

Mainmeter via API new data every 10 s
1-phase charging
MQTT connection to IoBroker
Charging current limited to 6A
Car connected with 60% and able to take 1x16A/3x32A yellow line shows the actual current, green shows the current specification of the EVSE just broken off again, car still not full. This time I was able to reactivate the EVSE by pulling the charging cable out of the car and plugging it in again

dingo35 commented 1 year ago

Does the LCD display show an error? Feeding the API every 10s is on the edge, better feed it every few seconds.

Elektrofix-OL commented 1 year ago

The Display Show „Ready“, i‘ll try to send the API evers 7 sec. Too often it is not good, then the traffic in the network is too high and no more data comes through. the SMA home manager sends its broadcast to the inverter every 200 ms

dingo35 commented 1 year ago

You sure you dont have a networking problem? Network congestion on sending a few hundred bytes every few seconds on a >100Mbps link sounds strange....

dingo35 commented 12 months ago

Apart from your networking problems, please post a verbose telnet log starting some time before the end of the charging session, and ending after the end of the charging session; then we can see what is going on....

Elektrofix-OL commented 12 months ago

Yes, I'm sure my network is OK. I have now logged mqtt SmarEVSE/Error. From time to time there is a communication error and after 1 sev. Everything is ok again.

What is a telnet protocol?

dingo35 commented 12 months ago

firmware.debug.bin has a telnet-server built in that you can use to log debug messages of the SmartEVSE. For details on telnet: google is your friend...

Elektrofix-OL commented 12 months ago

Is that the desired type of info? (without EV Connect)

(loop)(C1) 0 clients running.
(I) (printStatus)(C1) STATE: A Error: 2 StartCurrent: -0 ChargeDelay: 0 SolarStopTimer: 0 NoCurrent: 0 Imeasured: 1.2 A IsetBalanced: 25.5 A
(I) (printStatus)(C1) L1: 1.2 A L2: -1.8 A L3: -1.6 A Isum: -2.2 A
(I) (printStatus)(C0) STATE: A Error: 0 StartCurrent: -0 ChargeDelay: 0 SolarStopTimer: 0 NoCurrent: 0 Imeasured: 1.2 A IsetBalanced: 25.5 A
(I) (printStatus)(C0) L1: 1.2 A L2: -1.8 A L3: -1.6 A Isum: -2.2 A
(I) (printStatus)(C0) STATE: A Error: 0 StartCurrent: -0 ChargeDelay: 0 SolarStopTimer: 0 NoCurrent: 0 Imeasured: 1.2 A IsetBalanced: 25.5 A
(I) (printStatus)(C0) L1: 1.2 A L2: -1.8 A L3: -1.6 A Isum: -2.2 A
(I) (printStatus)(C0) STATE: A Error: 0 StartCurrent: -0 ChargeDelay: 0 SolarStopTimer: 0 NoCurrent: 0 Imeasured: 1.2 A IsetBalanced: 25.5 A
(I) (printStatus)(C0) L1: 1.2 A L2: -1.8 A L3: -1.6 A Isum: -2.2 A
(I) (printStatus)(C0) STATE: A Error: 0 StartCurrent: -0 ChargeDelay: 0 SolarStopTimer: 0 NoCurrent: 0 Imeasured: 1.2 A IsetBalanced: 25.5 A
(I) (printStatus)(C0) L1: 1.2 A L2: -1.8 A L3: -1.6 A Isum: -2.2 A
(I) (printStatus)(C0) STATE: A Error: 0 StartCurrent: -0 ChargeDelay: 0 SolarStopTimer: 0 NoCurrent: 0 Imeasured: 1.2 A IsetBalanced: 25.5 A
(I) (printStatus)(C0) L1: 1.2 A L2: -1.8 A L3: -1.6 A Isum: -2.2 A
(loop)(C1) 0 clients running.

dingo35 commented 12 months ago

No you need verbose mode, press v and then enter

Elektrofix-OL commented 12 months ago

Today I loaded the car again and logged the session with putty. Suddenly the connection ended and the car stopped charging. After 4.5 minutes the car started charging again. putty.log

dingo35 commented 12 months ago

The log just shows first no EV connected (state A), then EV gets connected and starts charging at 1x6A . So nothing strange there.

If it keeps happening you might increase your charge current to 7A, since 6A is exactly the minimum specified by the charging standards, and see if that changes things....

Elektrofix-OL commented 12 months ago

I'll keep watching, I just need more sun, the weather here is currently quite cloudy.

I just don't understand why Putty disconnects for the second time, is it the EVSE?

dingo35 commented 12 months ago

No that seems to be a bug in the remotedebug library we are using....

Elektrofix-OL commented 12 months ago

I found the problem. If data are sent to the SmartEVSE depending on the change in the meter data and the processing in IoBrocker takes too long, the loading will be aborted. The data must be sent to the SmartEVSE independently of the receipt of the data in the IoBroker.

dingo35 commented 12 months ago

I found a fix for the telnet disconnect, it will be in the next release.