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 Post subject: Odd charging behaviour
PostPosted: Sat Jun 15, 2019 7:14 am 
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Joined: Sat Jun 01, 2019 1:44 pm
Posts: 5
When charging my 2018 PHEV (Canada) with a Level 2 (Juicebox EVSE 40A) I’m seeing a strange behaviour.

Juicebox lets me see the charging power on a graph. For every charge, it starts at off at full charging power around 3.3kW (14A @240V) but for every charge at some point the power dips down below 1kW for around 10min and then returns to full power. And towards the end of the charge I see the expected taper as it reaches full capacity.

I’m trying to attach an image of an example charge to show the behaviour. Does anyone know if this is typical of the PHEV? Are others seeing this?

I do not see this behaviour when charging my Volt with the same Juicebox EVSE.

Thanks!


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 Post subject: Re: Odd charging behaviour
PostPosted: Sun Jun 16, 2019 1:34 am 
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Joined: Mon Mar 12, 2018 2:18 am
Posts: 357
Location: Yorkshire end of M1, UK
I have seen others report this, though I can't remember if it was on here or on Facebook. So it is common, though I'm afraid that I can't remember if there was an explanation :oops:

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 Post subject: Re: Odd charging behaviour
PostPosted: Sun Jun 16, 2019 6:50 am 
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Joined: Sat Jun 01, 2019 4:51 am
Posts: 10
Location: Australia
There's a guy who posts a lot on youtube with a channel called Unplugged EV and I recall in one of his videos he referred to charging being interrupted by some kind of battery cell balancing cycle.


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 Post subject: Re: Odd charging behaviour
PostPosted: Sun Jun 16, 2019 8:46 am 
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Joined: Sat Jun 01, 2019 1:44 pm
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ThudnBlundr wrote:
I have seen others report this, though I can't remember if it was on here or on Facebook. So it is common, though I'm afraid that I can't remember if there was an explanation :oops:


Thanks. Is the Facebook group fairly active?


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 Post subject: Re: Odd charging behaviour
PostPosted: Sun Jun 16, 2019 12:43 pm 
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Joined: Sun May 19, 2019 1:21 pm
Posts: 9
Location: East part of the Netherlands
Hi,
I see the same happening with the “brick” charger, 10 amps 220 volts, as I get this info from my eenergy manager from the solar and battery installation.
I guess it’s the BMC, regulating and optimizing the battery.
I can see the same happening with the charging cycle of my solar home battery system.

Hope this helps

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Black 2014 PHEV purchased Feb 2019 with juist 30.000 km !
Avg. 35 km / ltr., homecharger, runs 99% on solar


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 Post subject: Re: Odd charging behaviour
PostPosted: Mon Jun 17, 2019 4:07 am 
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Joined: Mon Mar 12, 2018 2:18 am
Posts: 357
Location: Yorkshire end of M1, UK
whoca wrote:
Thanks. Is the Facebook group fairly active?


There are at least two that I am aware of and both are active. There's a general Mitsubishi PHEV one and a UK-specific one, though there may well be other country-specific ones as well

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 Post subject: Re: Odd charging behaviour
PostPosted: Tue Jun 18, 2019 8:02 am 
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Joined: Tue May 07, 2019 8:18 am
Posts: 16
Mine does the same thing almost any time I am charging.

I attached one example of my car plugged into a ChargePoint station.


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