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Author Topic: DIY Charging system  (Read 13007 times)

remmie

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Re: DIY Charging system
« Reply #15 on: June 28, 2016, 01:40:20 AM »

Alternatively, just don't connect the onboard charger at low SOC. That would reduce the charge power to 8 kW or 82 amps at 98 volt.
You will have to switch the bike on with the key but at home that won't be a problem
when you do it this way, isnt there a 1 hour timeout or something like that?

Could be, i don't know really.
But at 8000 watt charging an hour means 8kwh back in the batterypack, 8) For my zf11.4 (effective kwhrs 10.4) this is about 80% SOC. For a 2016 zf13.0 plus powertank this is only about 60% though.

Otherwise just charge for 15 minutes without the onboard charger and then just plug it in. The voltage should have risen enough to decrease the amps enough so the total amps stay around 90 instead of 95.
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Current : Red Premium Zero SR/F (ordered May 25, delivered August 23 2019) with Rapid charger for 12kW charging
Former : White Zero SR 2018 ZF14.4 kWh (17.500 km)
Former : Black Zero SR 2014 ZF11.4 kWh (25.000 km)
SR's outfitted with Homemade "Supercharger" 6x eltek Flatpack S (12 kW)

alexanderfoti

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Re: DIY Charging system
« Reply #16 on: June 28, 2016, 02:03:23 AM »

If the charge fuse blows, does the whole bike die, or does it just kill the charging system?

I will get a large connection put in at home so I can test full charge capacity before potentially blowing a fuse out on the road.
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BrianTRice@gmail.com

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Re: DIY Charging system
« Reply #17 on: June 28, 2016, 10:37:00 AM »

FYI, per http://diginow.it/super-charger-for-zero-motorcycle.php , the digiNow supercharger limits power through the aux charge port to 7.6kW just to avoid blowing that fuse. It does have a slow (~1hr?) setting that is effectively below 100A but I can't get anyone to put a number on that, or whoever knows the number isn't talking.

If the aux charge port fuse blows, the bike will still work and the onboard charger will charge, but the aux charge port will be disconnected.
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Erasmo

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Re: DIY Charging system
« Reply #18 on: June 28, 2016, 01:22:44 PM »

I've had a different experience with that, after blowing the aux port the bike refused to move anymore but i could still charge with the onboard charger.
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alexanderfoti

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Re: DIY Charging system
« Reply #19 on: June 29, 2016, 12:31:17 AM »

FYI, per http://diginow.it/super-charger-for-zero-motorcycle.php , the digiNow supercharger limits power through the aux charge port to 7.6kW just to avoid blowing that fuse. It does have a slow (~1hr?) setting that is effectively below 100A but I can't get anyone to put a number on that, or whoever knows the number isn't talking.

If the aux charge port fuse blows, the bike will still work and the onboard charger will charge, but the aux charge port will be disconnected.

Hmm just 400 watts difference with mine, close but should be OK.

I will do extensive testing at home so if the fuse pops there its OK.
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BrianTRice@gmail.com

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Re: DIY Charging system
« Reply #20 on: June 29, 2016, 12:51:16 AM »

I've had a different experience with that, after blowing the aux port the bike refused to move anymore but i could still charge with the onboard charger.

Damn. Well, when it happened to me my 2013 was okay. Burton's wiring diagram for 2013 concurs, but I can't say whether the design changed. People playing with chargers should anticipate dealing with this some day.
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Current: 2020 DSR, 2012 Suzuki V-Strom
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BrianTRice@gmail.com

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Re: DIY Charging system
« Reply #21 on: June 29, 2016, 12:52:01 AM »

FYI, per http://diginow.it/super-charger-for-zero-motorcycle.php , the digiNow supercharger limits power through the aux charge port to 7.6kW just to avoid blowing that fuse. It does have a slow (~1hr?) setting that is effectively below 100A but I can't get anyone to put a number on that, or whoever knows the number isn't talking.

If the aux charge port fuse blows, the bike will still work and the onboard charger will charge, but the aux charge port will be disconnected.

Hmm just 400 watts difference with mine, close but should be OK.

I will do extensive testing at home so if the fuse pops there its OK.

Have a backup plan!
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alexanderfoti

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Re: DIY Charging system
« Reply #22 on: June 29, 2016, 12:55:05 AM »

FYI, per http://diginow.it/super-charger-for-zero-motorcycle.php , the digiNow supercharger limits power through the aux charge port to 7.6kW just to avoid blowing that fuse. It does have a slow (~1hr?) setting that is effectively below 100A but I can't get anyone to put a number on that, or whoever knows the number isn't talking.

If the aux charge port fuse blows, the bike will still work and the onboard charger will charge, but the aux charge port will be disconnected.

Hmm just 400 watts difference with mine, close but should be OK.

I will do extensive testing at home so if the fuse pops there its OK.

Have a backup plan!

I understand that the fuse is not easily accessible by the roadside, is that right?
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BrianTRice@gmail.com

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Re: DIY Charging system
« Reply #23 on: June 29, 2016, 01:04:51 AM »

I understand that the fuse is not easily accessible by the roadside, is that right?

It's kind of recessed, and Zero doesn't want customers replacing them; I think the whole circuit somehow is a single part number to order and the fuse spec is not listed. This is what I mean by a plan, though: try to find it (10 minutes after the contactor opens before removing) so you have an idea before you have to do it "in anger". If possible, look for identifying ratings or text and document it for us/others.

I will double check on my DSR but the 2013 models had it in a more accessible location than following years.
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alexanderfoti

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Re: DIY Charging system
« Reply #24 on: June 29, 2016, 01:24:19 AM »

Hmm I will take a look at the fuse when I get a chance then.

The Official manual says 100 amp fuse, the unofficial manual says 80 amps. I wonder which Is correct.

I will note down the fuse type as well for other on here.
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remmie

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Re: DIY Charging system
« Reply #25 on: June 29, 2016, 02:30:30 AM »

These guys have seen (and blown) the 100A fuse. No clear picture of the markings though. Just that it has M6 eye connections and that it is shrink wrapped.

http://www.diyelectriccar.com/forums/showpost.php?p=507362&postcount=25#/forumsite/20977/topics/124073?page=3&postid=507362
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Current : Red Premium Zero SR/F (ordered May 25, delivered August 23 2019) with Rapid charger for 12kW charging
Former : White Zero SR 2018 ZF14.4 kWh (17.500 km)
Former : Black Zero SR 2014 ZF11.4 kWh (25.000 km)
SR's outfitted with Homemade "Supercharger" 6x eltek Flatpack S (12 kW)

alexanderfoti

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Re: DIY Charging system
« Reply #26 on: June 29, 2016, 02:34:17 AM »

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MrDude_1

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Re: DIY Charging system
« Reply #27 on: June 29, 2016, 02:37:56 AM »

Hmm I will take a look at the fuse when I get a chance then.

The Official manual says 100 amp fuse, the unofficial manual says 80 amps. I wonder which Is correct.

I will note down the fuse type as well for other on here.

They both show a 100 amp fuse.
The manual just notes that a sustained 80A current will cause the fuse to blow.

It probably needs to be made clearer though.
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alexanderfoti

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Re: DIY Charging system
« Reply #28 on: June 29, 2016, 02:39:54 AM »

Hmm I will take a look at the fuse when I get a chance then.

The Official manual says 100 amp fuse, the unofficial manual says 80 amps. I wonder which Is correct.

I will note down the fuse type as well for other on here.

They both show a 100 amp fuse.
The manual just notes that a sustained 80A current will cause the fuse to blow.

It probably needs to be made clearer though.

Sorry, yes your right, I miss interpreted it.
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Lecram

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« Last Edit: June 29, 2016, 03:55:45 AM by Lecram »
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1970 Honda CB750K0
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1974 Honda CB750K2
2011 Mercedes Viano Marco Polo camper
2015 Zero DS with power tank
2016 KTM 1190 Adventure
2019 BMW i3
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