Imiev measured data
- offgridQLD
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Imiev measured data
On the subject of on board charger rates. I finally took the time to put a clamp meter on the output wire of the on board charger. My meter had it at averaging around 5 amps output. Opening cannon it was showing 4.8A at the battery and flickering between 1.6kw output with the battery at 347v. 347v x 4.8A = 1665W. the 5A I measured at the charger 5A x 247v = 1735w
So I would say the 2200w showing at the wall plug meter isn't a good indication of what is actually going into the battery.
The joys of living on a dirt road oh well at least it isn't sucking it into the motor like a ICE engine would.
Edit: Adelaide ev I think the V1 of that EVSE that had the brick was $1027 + shipping so I would say the V2 would be even more.
http://evseupgrade.com/?main_page=produ ... ducts_id=5
Kurt
So I would say the 2200w showing at the wall plug meter isn't a good indication of what is actually going into the battery.
The joys of living on a dirt road oh well at least it isn't sucking it into the motor like a ICE engine would.
Edit: Adelaide ev I think the V1 of that EVSE that had the brick was $1027 + shipping so I would say the V2 would be even more.
http://evseupgrade.com/?main_page=produ ... ducts_id=5
Kurt
Last edited by offgridQLD on Wed, 16 Apr 2014, 10:13, edited 1 time in total.
- g4qber
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Imiev measured data
https://docs.google.com/spreadsheets/d/ ... 1116913707
I think the app crashed, hence didn't take a screen shot of the summary page. but did take pics of batt temp.
hopefully someone can figure out the data.
I think the app crashed, hence didn't take a screen shot of the summary page. but did take pics of batt temp.
hopefully someone can figure out the data.
Last edited by g4qber on Sat, 19 Apr 2014, 06:00, edited 1 time in total.
- acmotor
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Imiev measured data
offgridQLD wrote: ....
So I would say the 2200w showing at the wall plug meter isn't a good indication of what is actually going into the battery.
Kurt
The clamp meter is likely +-3% at best and true RMS is essential as it is probably not smooth DC, but yes there are variations. It is interesting to probe around though.
In the end, the power measured from the wall is what matters in final Wh/km.
What the EV does with that power is just part of its overall efficiency.
converted RedSuzi, the first industrial AC induction motor conversion
on to iMiEV MY12 did 114,463km
now Tesla Model 3, 4/2021 MIC pearl white
on to iMiEV MY12 did 114,463km
now Tesla Model 3, 4/2021 MIC pearl white
- offgridQLD
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Imiev measured data
Yes the meter I used is a true RMS meter.
Efeciancy is very important to me. I always pick one product over another based on eficancy. Considering I work out all my consumption in kWh/WHR-km I like to know just how much WHR is actually going to the battery as the battery is the only thing that matters out on the road.
I would be even more concerned with eficancy if I was paying for every kwh. Why would you want 1\4 of every kWh to vanish before entering the battery .
Kurt
Efeciancy is very important to me. I always pick one product over another based on eficancy. Considering I work out all my consumption in kWh/WHR-km I like to know just how much WHR is actually going to the battery as the battery is the only thing that matters out on the road.
I would be even more concerned with eficancy if I was paying for every kwh. Why would you want 1\4 of every kWh to vanish before entering the battery .
Kurt
- g4qber
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Imiev measured data
Sprints 2014 RAC
268 seconds to go round track
260 secs this time
268 seconds to go round track
260 secs this time
Last edited by g4qber on Mon, 21 Apr 2014, 07:57, edited 1 time in total.
- g4qber
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Imiev measured data
zippiecar's batt data
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- g4qber
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Imiev measured data
somehow imiev is charging back to 100% again.
I have a hunch that one side of the Subiaco bollard doesn't charge correctly.
From now on I'm just going to be charing with the non-lock side.
http://www.plugshare.com/?location=39893
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- offgridQLD
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Imiev measured data
It's good to know it wasn't the car playing up
Kurt
Kurt
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Imiev measured data
Re: playing up
sorta
before I left for Fremantle last night it was 96.5%; didn't use the imiev for 1 day.
charged fully at Freo, read 100%, but this was only 30min - 1 hour after the car completed charging.
had record range estimate of 153km; was travelling at 81km on mitchell fwy
got 98.5% this morning
perhaps cos car had a 5 hours to self discharge.
still 16 bars on the imiev but CANbus shows more detail.
sorta
before I left for Fremantle last night it was 96.5%; didn't use the imiev for 1 day.
charged fully at Freo, read 100%, but this was only 30min - 1 hour after the car completed charging.
had record range estimate of 153km; was travelling at 81km on mitchell fwy
got 98.5% this morning
perhaps cos car had a 5 hours to self discharge.
still 16 bars on the imiev but CANbus shows more detail.
Last edited by g4qber on Fri, 16 May 2014, 05:38, edited 1 time in total.
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- offgridQLD
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Imiev measured data
Could it be the temperature difference between last night and this morning?
Im sure the available energy is different from lithium cells at different temps.
For example charge at night to 100% cells are at 25C and let say pack voltage is 360v. The wake up and batteries ar at 17C and voltage is 355v. Just a made up example but the capacity meter of the Imiev could take temp and voltage into consideration ?
Letting the car sit around overnight or all day at 100% isn't the best thing for its health.
Kurt
Im sure the available energy is different from lithium cells at different temps.
For example charge at night to 100% cells are at 25C and let say pack voltage is 360v. The wake up and batteries ar at 17C and voltage is 355v. Just a made up example but the capacity meter of the Imiev could take temp and voltage into consideration ?
Letting the car sit around overnight or all day at 100% isn't the best thing for its health.
Kurt
- g4qber
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Imiev measured data
My normal process since I got the car on 11/11/11 is
A) plug in at night, timer starts charge after 9pm
B) unplug in morning
I don't bother working out how long it would take to get to 80%
A) plug in at night, timer starts charge after 9pm
B) unplug in morning
I don't bother working out how long it would take to get to 80%
- g4qber
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Imiev measured data
Has anyone come across this?
NaN in
Distance
Speed Avg
Wh/km
I just renamed the BT_CAN directory to solve it.
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Imiev measured data
Could you please send us your btcan.db from renamed bt_can directory?
To e-mail-address at Google Play Store - caniOn
Martin
To e-mail-address at Google Play Store - caniOn
Martin
... en route with a Citroen C-Zero, Bj. 8/2012 (http://www.spritmonitor.de/en/detail/532466.html)
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Imiev measured data
Has anyone tried the logging with logmain.txt file in the BT_CAN folder?. I have tried but appears to create an empty text file. Will keep persisting as I want to get to the bottom of missing batt volt/temp data....
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Imiev measured data
Good news!!.....Xavier and Martin have found the issue with the 2010's that don't read temps and volts...
I have a branch build of V118 for now. They may look at incorporating changes in a future release.
If anybody wants the build please PM....No VIN or accel pedal history available on mine though...
I have a branch build of V118 for now. They may look at incorporating changes in a future release.
If anybody wants the build please PM....No VIN or accel pedal history available on mine though...
Last edited by reecho on Sun, 08 Jun 2014, 18:24, edited 1 time in total.
- g4qber
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Imiev measured data
Works on ant's car!
Great that you got this sorted reecho.
I've been trying since jan 2014
Great that you got this sorted reecho.
I've been trying since jan 2014
Last edited by g4qber on Mon, 09 Jun 2014, 21:16, edited 1 time in total.
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- g4qber
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Imiev measured data
weird situation this evening.
At Barbagallos
was charging with car in accessories mode.
somehow it went from -7.0 to 1.0
this happened another day at Subiaco. Also was in accessories mode.
workaround is to un/plug charge coupler.
Car then goes back into -7.0
somehow the fan was working but no charge going through.
could be a bug in the car software?
imiev becoming like a volt; i.e. buggy.
At Barbagallos
was charging with car in accessories mode.
somehow it went from -7.0 to 1.0
this happened another day at Subiaco. Also was in accessories mode.
workaround is to un/plug charge coupler.
Car then goes back into -7.0
somehow the fan was working but no charge going through.
could be a bug in the car software?
imiev becoming like a volt; i.e. buggy.
Last edited by g4qber on Wed, 18 Jun 2014, 19:24, edited 1 time in total.
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Imiev measured data
I-MiEV owner from Portugal - 81000 km
- g4qber
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Imiev measured data
thanks Malm
but problem is that the imiev is stuck on 0.9 amps for at least 5 mins with no indication of restarting charge.
from memory this also occurred at the Magic Nissan Chargepoint Australia bollard.
http://www.plugshare.com/?location=17098#
but problem is that the imiev is stuck on 0.9 amps for at least 5 mins with no indication of restarting charge.
from memory this also occurred at the Magic Nissan Chargepoint Australia bollard.
http://www.plugshare.com/?location=17098#
Last edited by g4qber on Wed, 18 Jun 2014, 21:32, edited 1 time in total.
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Imiev measured data
Yes, stuck for more then five minutes, with no indication of restarting, but red light (plug light) always on and refrigeration of charger working like if is charging. Happens is all i-MiEV if the charge begans below 70% SoC.
Last edited by Malm on Thu, 19 Jun 2014, 03:06, edited 1 time in total.
I-MiEV owner from Portugal - 81000 km
- offgridQLD
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Imiev measured data
Yes that is completely normal.
The car takes a break from charging sometimes and then continues to charge.
I always notice this when I am monitoring my homes electricity load. It will sit at 2200w load then I notice no load then continue to charge after (I never bothered to track the time period . Perhaps 5 - 10 mins max)
My only guess is some kind of mid charge balance or letting the cells settle then a check for balance and continuing to charge.
I can say its normal as mine has always done it but to know exactly why it is doing it would be nice?
Kurt
The car takes a break from charging sometimes and then continues to charge.
I always notice this when I am monitoring my homes electricity load. It will sit at 2200w load then I notice no load then continue to charge after (I never bothered to track the time period . Perhaps 5 - 10 mins max)
My only guess is some kind of mid charge balance or letting the cells settle then a check for balance and continuing to charge.
I can say its normal as mine has always done it but to know exactly why it is doing it would be nice?
Kurt
Last edited by offgridQLD on Thu, 19 Jun 2014, 03:52, edited 1 time in total.
- Gabz
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Imiev measured data
yes the first time my I-miev did it I noticed due the house energy meter going down. I spent 15mins in the garage in the cold wondering what was wrong.
nice to know it's "normal" i.e observed by multiple drivers.
nice to know it's "normal" i.e observed by multiple drivers.
Corporate Member Recharging NSW Pty Ltd. http://rechargingnsw.com.au/
- g4qber
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Imiev measured data
http://www.android.com/filetransfer/
one thing I get with both nexus 7 and ultra z tablets is
android file transfer version 1.0 (1.0.50.2266)
doesn't show up some PNGs in the BT_CAN folder.
I guess cos it is version 1.0
just got android 4.4.3 OTA update, but no difference in accessibility of these files
hence I use AirDroid. slow but reliable.
one thing I get with both nexus 7 and ultra z tablets is
android file transfer version 1.0 (1.0.50.2266)
doesn't show up some PNGs in the BT_CAN folder.
I guess cos it is version 1.0
just got android 4.4.3 OTA update, but no difference in accessibility of these files
hence I use AirDroid. slow but reliable.
Last edited by g4qber on Fri, 20 Jun 2014, 05:17, edited 1 time in total.
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- g4qber
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Imiev measured data
imiev taking a break.
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- g4qber
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Imiev measured data
Amps History bug reported to Martin / Xavier
after setting hours to 4, can't get back down to 30 mins
also takes a long time for the program to graph the data when set to >4 hours.
after setting hours to 4, can't get back down to 30 mins
also takes a long time for the program to graph the data when set to >4 hours.
Last edited by g4qber on Fri, 20 Jun 2014, 05:23, edited 1 time in total.
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2009 Tango - http://www.evalbum.com/211
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2012 Volt
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Past EVs
2011 i-MiEV
2012 Volt
2014 i3 REx
2014 Model S
2020 FRERWD