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04-23-2019, 11:02 PM
Replies: 68
Views: 4,533
Posted By Kevinmce

Re: Building a HCHII grid charger

Again thanks for the wealth of knowledge.

It's been running great, next on the diy to do list is transmission fluid change. :)

Also insight going great, but needs a service and cvt fluid too.
04-23-2019, 10:28 PM
Replies: 68
Views: 4,533
Posted By Kevinmce

Re: Building a HCHII grid charger

Thanks for the info,

I did a full 24h charge after, wanted to do 36h but the missus needed the car. I took it for a spin and it seemed to talk a while to go from the top bar. So I'm guessing it...
04-21-2019, 11:32 PM
Replies: 68
Views: 4,533
Posted By Kevinmce

Re: Building a HCHII grid charger

So back to the HCH2 I've been giving its second grid charge over the long weekend.

This time I gave it 36 h on the initial balance charge with it reaching 190v. During the day it could not go over...
03-17-2019, 12:48 AM
Replies: 68
Views: 4,533
Posted By Kevinmce

Re: Building a HCHII grid charger

Heh,
Glad you approve because I already have one. :)

The acceleration compared to the civic is noticeably better.
It also has more features with auto lights and wipers as well as aux input. Very...
03-14-2019, 11:24 AM
Replies: 68
Views: 4,533
Posted By Kevinmce

Re: Building a HCHII grid charger

I've bought and upgraded my grid charger with apc 35 dc supplies. Just waiting for a good window to do my next charge/discharge.

The car is still driving good but started doing regular recals a...
02-03-2019, 11:13 PM
Replies: 68
Views: 4,533
Posted By Kevinmce

Re: Building a HCHII grid charger

Thanks again for your help Steve, I'll report back on my next charge with an update.

I'll also consolidate more of the details for the build on the first posts
02-03-2019, 10:42 AM
Replies: 68
Views: 4,533
Posted By Kevinmce

Re: Building a HCHII grid charger

The temperature did not raise any further. Still ~7*C offset from the cabin temp.

I cut the charge off after 22 hours and took it for a spin.
Happy to say that the SOC indicator was behaving as...
02-03-2019, 09:38 AM
Replies: 68
Views: 4,533
Posted By Kevinmce

Re: Building a HCHII grid charger

Was able to adjust it by removing just one seat back bolt, didn't even need to remove the seat base.

Set it to 15% duty cycle and continued the charge. Will report back in 15 mins
02-03-2019, 09:22 AM
Replies: 68
Views: 4,533
Posted By Kevinmce

Re: Building a HCHII grid charger

It's for sure at 50% duty cycle, and it is moving a lot of air.

Im not easily able to get to the pwm controller, will see if I can work it without removing the seat back.
02-03-2019, 09:18 AM
Replies: 68
Views: 4,533
Posted By Kevinmce

Re: Building a HCHII grid charger

Just testing the outlet temperature it shows 27*C, while the cabin temperature is 20*C. So 7*C increase at 50% duty cycle on the fan.

Ill not get to do another discharge this week but will plan...
02-03-2019, 08:20 AM
Replies: 68
Views: 4,533
Posted By Kevinmce

Re: Building a HCHII grid charger

Well another 20hours into the second charge, the peak voltage is just not going that high.

I notice that it likely will go over 190 if I let the car get cold, but at 20*C or more its difficult to...
02-02-2019, 12:46 PM
Replies: 68
Views: 4,533
Posted By Kevinmce

Re: Building a HCHII grid charger

Discharge complete, done 2x reset charge, each took 10mins and stopped at 3 bars.
​​​​​​
Doing final reset charge now and will do an overnight charge with space heater keeping it 20*c in the cabin...
02-02-2019, 08:35 AM
Replies: 68
Views: 4,533
Posted By Kevinmce

Re: Building a HCHII grid charger

It's certainly not that hot at the exhaust duct. Maybe 20*c
I don't think any further charging today will do good as the temperature is going below freezing again tonight.

For a test I'll just go...
02-02-2019, 08:15 AM
Replies: 68
Views: 4,533
Posted By Kevinmce

Re: Building a HCHII grid charger

So after 20 hours charging I cut it off. I'm trying a discharge cycle now but wonder what's a safe minimum voltage considering the sketchy charge?
See my measurements below. Outside temp(o temp)...
02-02-2019, 01:35 AM
Replies: 68
Views: 4,533
Posted By Kevinmce

Re: Building a HCHII grid charger

Good info Steve, I've been looking to source the meanwell supplies locally and think I found something similar...
02-01-2019, 03:07 PM
Replies: 68
Views: 4,533
Posted By Kevinmce

Re: Building a HCHII grid charger

We could have an issue. The charger mA shows as if the charger is turning on/off ~20% of the time now and this is 2 hours in. Voltage is 286, it is cold out now. 0*c but should be 10*c tomorrow.
...
02-01-2019, 03:36 AM
Replies: 68
Views: 4,533
Posted By Kevinmce

Re: Building a HCHII grid charger

I'll do my best to log regular voltages and current during charge/discharge and for now put my multimeter in line during discharge(wanna figure a way to use the charger display in both directions.)
...
01-31-2019, 07:53 AM
Replies: 68
Views: 4,533
Posted By Kevinmce

Re: Building a HCHII grid charger

I've created a new list for myself with your input, it's linked below as an xls to calculate your key times based on a start time and duration of each step.

Based on this I'll likely need to do it...
01-31-2019, 02:52 AM
Replies: 68
Views: 4,533
Posted By Kevinmce

Re: Building a HCHII grid charger

So onto charging and discharging.

I have a 36 hour window twice a week.

​​​​​​Planning to start 6pm and have till 6am two days later.
1. 6:00pm - 6:30pm 3x reconnect 60sec 12v and start the...
01-30-2019, 10:47 AM
Replies: 68
Views: 4,533
Posted By Kevinmce

Re: Building a HCHII grid charger

So it seems the above resulted in the same issue....

I considered what the cause could be and decided to try a diode between the pwm generator and the fan. This did stop the fan running when the...
01-29-2019, 11:28 PM
Replies: 68
Views: 4,533
Posted By Kevinmce

Re: Building a HCHII grid charger

Edit: also just for reference yesterday I did a 100km trip back roads(hilly and sharp bends) 100km/h limit with the avg mpg reset at start. The car averaged 5.8 L/100km or 40.5 mpg. I was not...
01-29-2019, 12:52 PM
Replies: 68
Views: 4,533
Posted By Kevinmce

Re: Building a HCHII grid charger

Hummm, If that was the case then I should not have been able to power on the fan using the charger.

I'll have it opened up tomorrow and have a closer look at the diode.
​​​​​​
01-29-2019, 12:16 PM
Replies: 68
Views: 4,533
Posted By Kevinmce

Re: Building a HCHII grid charger

Confirmed today that the pwm generator is indeed getting power when the car is started, so the diode is probably shorted.

​​​​​​Looking at my options I've opted for trying a standard automotive...
01-29-2019, 12:10 AM
Replies: 68
Views: 4,533
Posted By Kevinmce

Re: Building a HCHII grid charger

Indeed I intended to have the signal generator in the charger but I forgot I needed 5 core for when buying the cable. Ended up with a 4 core and tried to create a workaround.
​​​​​​
I may just go...
01-28-2019, 02:04 PM
Replies: 68
Views: 4,533
Posted By Kevinmce

Re: Building a HCHII grid charger

Hi Steve,

I have not checked with an odb reader but I seen no check engine light.
​​​​​​
I'm not sure what "check the tap voltages" means but I have readout the battery voltage using the power...
Showing results 1 to 25 of 41
 


 
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