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Old 04-23-2016, 01:40 AM   #2741 (permalink)
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Not much to report, but I did get some parts

A voltage (0-199V) and current (0-1000 or 0-100.0) display
with a 75 mV, 1000A shunt. I can use couple of my 50mV 100A shunts to .. sort of .. make an uncalibrated 75 mV 100A shunt

I won't be getting the AC controller testing done this weekend .. but will post when I do

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Old 04-28-2016, 12:53 AM   #2742 (permalink)
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Update from April 27

The new meter ... I let the smoke out .. I hooked it up to the high side of the pack since it was more convenient. I guess there were a couple of internal connections that were NOT on the schematic
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Old 04-28-2016, 12:59 AM   #2743 (permalink)
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Update for April 27 continued

Here are the log files for my test tonight:
AC1 and DC1 the AC controller started to cut back on over-temperature
AC2 and DC2 I hit the AC over-current, but I was moving the throttle quickly
AC3 and DC3 I hit the AC over-current more slowly. It looks like the over-current is about 350 AC amps

I'm working on the video and it will be posted when I get it done.
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Old 04-28-2016, 01:05 AM   #2744 (permalink)
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Umm - if anyone can think of more tests to do, please speak up

I will be dis-assembling this test setup in about a week ...
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Old 04-30-2016, 08:41 AM   #2745 (permalink)
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Thank you!! This is really good data. In theory yhe hardware overcurrent is supposed to be 600amp (peak), and 350rms is about 500amp. My guess is that at that current the PI loop is staying relatively close to 500, but there are occassional microsecond excusions into higher current. Maybe the phase inductance reduces at that current so the phase current isnt quite as smoothed out. I'm glad the temperature monitoring got to come on as well. This is awesome!! I can't think of any tests off the top of my head.
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Old 05-15-2016, 02:42 AM   #2746 (permalink)
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First of te April 27 videos

This one covers the test setup, cameras, meters, logs, etc

https://youtu.be/RNQ9GyK8ENI
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Old 05-15-2016, 02:46 AM   #2747 (permalink)
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yahoo!!! Uh oh. video set to private.
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Old 05-15-2016, 12:38 PM   #2748 (permalink)
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Originally Posted by MPaulHolmes View Post
yahoo!!! Uh oh. video set to private.
Oops! I didn't hit 'SAVE'.

It should be there now
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Old 05-16-2016, 02:59 PM   #2749 (permalink)
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evtv.me did a linkback to permalink #2739, but no response in the thread.

Is there any interest in using Prius' reactors for buck/boost?
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Old 05-17-2016, 12:34 AM   #2750 (permalink)
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evtv.me did a linkback to permalink #2739, but no response in the thread.

Is there any interest in using Prius' reactors for buck/boost?
There is definitely interest from me!

I have watched almost all of Wolftronix' videos. He was spending a lot of time on reverse engineering the DMOC 645 EEPROM so that he could change the air-cooled to a water-cooled .. or was that the other way 'round?

That series finished this weekend so I expect he'll be back on the bi-directional buck-boost converter. His battery pack died a while ago and he's using a capacitor and a full-wave bridge as his 'battery pack' for testing controllers.

He also mentioned that he would be looking at the backlog of work that is sitting on his workbench.

The idea to use the Prius inductor is awesome ... now I all I have to do is explain to a wrecker WHAT the inductor is and WHERE to find it on the car!

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