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Author Topic: Cheap DIY Fast charging your ZERO for those who can  (Read 7776 times)

Burton

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Re: Cheap DIY Fast charging your ZERO for those who can
« Reply #30 on: April 20, 2015, 07:10:51 PM »

I went to Richmond and back :)

Stopped in Fredericksburg and Ashland to charge.

Sadly much of my VA / WV stomping ground is extremely sparse for charging options. So much so I wouldn't attempt it without being streamlined.
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benswing

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Re: Cheap DIY Fast charging your ZERO for those who can
« Reply #31 on: April 20, 2015, 10:59:59 PM »

I plan to ride from Maine to Florida this summer.  Will try to coordinate a ride with you especially if your bike is streamlined. 

My plan is to ride down Skyline drive, but charging options  are very limited even though I can charge using NEMA 14-50 outlets at RV parks.  By the way, I recommend looking into a NEMA  14-50 to J1772 cord.  I got a 3-ft cord from QuickChargePower.com and it comes in handy when riding out in the woods.


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Burton

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Re: Cheap DIY Fast charging your ZERO for those who can
« Reply #32 on: April 20, 2015, 11:57:28 PM »

I am set up to handle any outlet by standardizing to pp45 connectors

https://m.youtube.com/watch?list=PL9QUUIIdnTqkWeDNdGdTneDyNmxo9tGBZ&v=sYivalPInPw

Skyline is 35mph and 110 miles if I recall. There is a place to eat midway which might have charging options. You do not want to speed here, get caught and they kick you out of state parks and it is a federal offense.
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Doug S

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Re: Cheap DIY Fast charging your ZERO for those who can
« Reply #33 on: April 30, 2015, 04:06:14 AM »

Okay, somebody point out to me what I'm missing here: http://www.ebay.com/itm/TYCO-AC-3000-52-48V-3000W-1RU-DC-Rectifier-Power-Supply-AC-3000-48-CASE-OF-2-/321709429496?pt=LH_DefaultDomain_0&hash=item4ae76052f8

This would seem to be a good candidate for a 6kW charging solution for under $150, including shipping but not including some diodes, connectors and the like. Data sheet can be found at:  http://www.datasheetlib.com/datasheet/164652/ac-3000-52_lineage-power.html

There appear to be a few issues; it seems this particular version is factory-trimmed for 52V output but that appears to be easily changed; the low side of the output is connected to the chassis so the mounting system would need to include isolation; it's not ENTIRELY clear how the current limit works at lower voltages, but it certainly doesn't seem like it's going to overcurrent a Zero's 11.4 battery pack; and I'm not sure if two of them will fit inside the "gas tank" of an SR (which is what I'm looking to do with it). But at well under $150 for both supplies, maybe it's even worth packaging somehow for external carry-along service.

Anybody have any thoughts?
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firepower

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Re: Cheap DIY Fast charging your ZERO for those who can
« Reply #34 on: April 30, 2015, 04:51:48 AM »

Sorry, DougS you are correct. I did not read it properly.

I read it that frame ground only connected to voltage return when used as part of a sub rack.
« Last Edit: April 30, 2015, 07:23:09 AM by firepower »
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Doug S

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Re: Cheap DIY Fast charging your ZERO for those who can
« Reply #35 on: April 30, 2015, 06:30:24 AM »

That's not how I read it. I'm sure you saw the same section I saw, but just to be sure we're on the same page I've posted the relevant section. It specifically states that the ground attachment is INSIDE the power supply, and that seems to be confirmed by the schematic fragment as well.

Obviously I could just buy them, test with a meter, and isolate them if necessary.
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Doug S

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Re: Cheap DIY Fast charging your ZERO for those who can
« Reply #36 on: April 30, 2015, 06:46:55 AM »

I am set up to handle any outlet by standardizing to pp45 connectors
Hey Burton, are you happy with the pp45's? They're rated for 45A, right? Seems like that should be adequate for at least a 6kW charging system. Have you ever measured the line side current draw? I've never used one of the 1772 charging stations, I assume they tell you how much current you're drawing live?

Quote
Skyline is 35mph and 110 miles if I recall.
So funny to hear you guys talking about Skyline Drive on the wrong coast! I guess the one out here is technically Skyline Blvd so it shouldn't get too confusing.
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Burton

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Re: Cheap DIY Fast charging your ZERO for those who can
« Reply #37 on: May 01, 2015, 12:03:38 AM »



I love my PP45 connectors!

Remember they are only on the AC side of the equation. I haven't seen anything greater than 25 amps go through that side yet.

Coming out of the chargers to the battery I have only ever pushed as much as ~45amps. But that is direct from the chargers to the Anderson connector, then from the Anderson on the bike through the controller (since the stock 2013 wiring doesn't support more than 30 amps)

Review my video on youtube to see me go over the connections if you want to jog your memory.


doctorbass's system pictures
http://electricmotorcycleforum.com/boards/index.php?topic=3987.msg24874#msg24874
« Last Edit: May 01, 2015, 12:06:48 AM by Burton »
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