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Meldinger - Jan Treur

#1
Hyundai Ioniq / Sv: kW for heating or AC?
onsdag 19. april 2017, klokken 08:54
I have updated the graph above by adding a new data point and also made the graph below for the energy cost for the initial heating to increase the temperature when you did not preheat the car (HP = Heat Pump, RH = Resistance Heater). More details can be found at http://www.ioniqforum.com/forum/234-hyundai-ioniq-electric-ev/6393-heating-ac-what-power-used.html.

#2
Hyundai Ioniq / Sv: kW for heating or AC?
onsdag 12. april 2017, klokken 08:14
Based on some first reported experiences from the German Ioniq forum

http://www.goingelectric.de/forum/hyundai-ioniq/kw-fur-heizung-und-ac-t22986-10.html#p506335

I adjusted some of the parameters a bit. For example, now I estimate the heat loss rate of a driving Ioniq at 80 Watt per °C temperature difference between inside and outside temperature. The graph below shows this update, assuming an interior temperature set at 22°C; the reported experiences are depicted as dots.

Still more experienced numbers are welcome!

#3
Hyundai Ioniq / Sv: kW for heating or AC?
tirsdag 11. april 2017, klokken 14:06
That would be very useful.
Are you sure the heating numbers are on this sheet? I only see different numbers.
#4
Hyundai Ioniq / kW for heating or AC?
fredag 07. april 2017, klokken 16:43
Sorry that I cannot write in your own language, but I have a question I want to ask you.

To get a better approximation of the range for low and high temperatures it is useful to take into account the losses in kW power for heating or AC. I made a computational model with some parameters for this and I want to ask whether from your experiences the values for certain temperatures are too high, too low or OK. I assume preconditioning took place and this indicates only the average power in kW to maintain the interior temperature during the driving. Note that it sometimes fluctuates between lower and higher, so then an average should be considered.

This is the graph of the kW against outside temperature for the current settings (with interior set point 20 °C). I modeled the case that a heat pump is used (until -10 °C), as you can see in the curve of the blue line. For resistance-based heating you have to follow the straight red dotted line from -10 °C to the point 0 at 20 °C.

#5
Hyundai Ioniq / Sv: En liten rekkeviddetest (realistisk)
lørdag 07. januar 2017, klokken 06:48
Sitat fra: moby666 på torsdag 05. januar 2017, klokken 13:02
Det var høyt forbruk, selv med -22. Ser ut som bilen klarer 12 mil i -22 da?
Jeg hadde en tur på på 14 mil i går ved -10 og kom hjem med 20% Kjørte med full komfort og mye 100 sone.

I included the numbers for these two cases in the Google Sheet at https://docs.google.com/spreadsheets/d/1qWBNTSDmwD53NUSq66dJdlm_QMRwrj9K6d8OYZGMhMQ/edit#gid=0
I took an estimation of 95 km/h for your average speed, moby666, is that correct?
At what temperatures did you do the charging, and, indeed, was the battery heated by the Battery Conditioning system just before the driving?
#6
Hyundai Ioniq / Sv: En liten rekkeviddetest (realistisk)
søndag 01. januar 2017, klokken 09:50
Dear overseas neighbours,

I already tried to collect some data on real world range and efficiency numbers for the Ioniq EV in some other forums for some time, such as https://speakev.com/threads/hyundai-ioniq-electric-range.21219/page-5 and http://www.ioniqforum.com/forum/234-hyundai-ioniq-electric-ev/1746-electric-range-7.html.

Now, to make a good start with 2017 I made a Google Sheet to collect experienced ranges or efficiency numbers in a more systematic manner. Everybody can use the link

https://docs.google.com/spreadsheets/d/1qWBNTSDmwD53NUSq66dJdlm_QMRwrj9K6d8OYZGMhMQ/edit#gid=572231120

to add rows with his or her experiences with range or efficiency numbers, together with some background info, for example on temperature and speed. Note that real ranges are meant, not the car's displayed expected ranges.

Based on such data we can get a better idea of the car's real world efficiency and range and do some analysis and prediction, for example, of the type I did in some of the above forums.

Have a good year, with more EV and less ICE km's!

Jan
Heiloo, The Netherlands
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