Monday, 23 March 2009

Danfoss VFD Switching Frequency

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I tried variable switching frequency (Parameter 412) this morning but it works the opposite to what I was hoping. I t does sound cool t...

Zener - Resistor battery balance circuits

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I have had to make a few more Z ener - resistor balance circuits as some were not evenly matched and caus ed 2 batteries to discharge ...
Friday, 20 March 2009

Worlds first, registered totally industrial EV conversion

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I began this planing this project after visiting the AEVA field day in October 2007. After much planing and calculating in Excel, I started ...
3 comments:
Thursday, 19 March 2009

Mental Note, Check the battery terminals!

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It would seem that I did not have one of the battery terminals tight enough. The battery still tests OK, but I have replaced it and the bala...
2 comments:
Thursday, 12 March 2009

30km drive in Electro-Lux

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I took a 34km drive last night. According to the volt meter, that equates to a final SoC of 32%. Not quite as efficient as I had hoped but ...

Improved Motor Cooling

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The motor was getting a bit toasty after long uphill drives. During operation the motor was cool enough but as soon as there was no air move...
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Latest Danfoss VFD Parameters

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By request here are my latest parameters that are changed from default...   ID Name Setup 1 Unit (Notes) 009 Display line 2 Output energy [k...
Monday, 9 March 2009

Motor heat

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As I live in a very hilly area, the motor is heating up a lot. I will use Tuarns example and add a 12v cooling fan to the motor. I am lookin...

First decent drive observations

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First of all. What fun! Now for some stats. 24.6km Hilly terrain Start voltage was 657v. 100% SoC according to the greensaver battery data...
Saturday, 7 March 2009

Video of electric Hilux

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Here is a video, thanks to our friend Kelly.
3 comments: