06-05-2019, 12:44 PM | #11 |
Gone Wild
Join Date: Sep 2012
Location: Charlotte, NC
Posts: 9,329
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Re: where to get copper buss bar and terminal covers?
Did they give you any specs on how much current that circuit board can carry?
Please post a picture of the underside of the board where the current carrying copper traces are located. |
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06-05-2019, 01:15 PM | #12 |
Gone Wild
Join Date: Dec 2012
Location: The Villages, FL
Posts: 552
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Re: where to get copper buss bar and terminal covers?
Not sure if link to other businesses is allowed so I am going to post this photo of what I ordered. It should be here tomorrow. You should be able to click on it to see a larger image.
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06-05-2019, 01:18 PM | #13 | |
Gone Wild
Join Date: Dec 2012
Location: The Villages, FL
Posts: 552
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Re: where to get copper buss bar and terminal covers?
Quote:
By the way, I found it from a Youtube video showing how it was installed. I believe that some on here have ordered from the business that provided the battery pack. |
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06-05-2019, 01:26 PM | #14 |
Just Gone
Join Date: Sep 2015
Location: North Carolina
Posts: 3,549
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Re: where to get copper buss bar and terminal covers?
Looks interesting.
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06-05-2019, 01:39 PM | #15 |
Gone Wild
Join Date: Nov 2018
Location: Lady Lake, FL.
Posts: 457
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Re: where to get copper buss bar and terminal covers?
It sounds like the TechDirectclub circuit board. I've been watching these and I'm curious as to the current capabilities.
Sergio, there's a 6:31 YouTube video from TechDirectclub on "48v Nissan Leaf Wiring Connection BMS" that has good views of the ckt board. Sent from my SM-G960U using Tapatalk |
06-05-2019, 01:51 PM | #16 |
Gone Wild
Join Date: Sep 2012
Location: Charlotte, NC
Posts: 9,329
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Re: where to get copper buss bar and terminal covers?
We discussed this a little while ago the first time a member got one of those boards.
If You ran a circuit board trace design tool it would require in excess of a 6" wide trace of 2oz copper trace (typical thickness) to conduct 300Amps and not raise the temperature more than 50C over ambient. At that time I asked if they were perhaps using 6oz copper traces (very unusual and specialized stuff). A picture of the undersized of the board will help find out if the copper is obviously thick, but keep an eye on the temperature of the board as You use the board. Also, a failure of a copper trace will damage the BMS since it will become the path between the modules. |
06-05-2019, 02:19 PM | #17 | |
Gone Wild
Join Date: Dec 2012
Location: The Villages, FL
Posts: 552
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Re: where to get copper buss bar and terminal covers?
Quote:
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06-05-2019, 10:54 PM | #18 |
Not Yet Wild
Join Date: May 2019
Posts: 8
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Re: where to get copper buss bar and terminal covers?
I'm in the middle of ordering modules from those guys. I asked about that board hoping to do 2 x 14s2p setup, but they said that board cannot support the amperage we need. He said 60 amps, so in my case, that would total 120 amps if I were using 2 of them. In short, the circuit board is really neat, but will not support even the stock motor, unfortunately.
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06-06-2019, 08:02 AM | #19 | |
Gone Wild
Join Date: Dec 2012
Location: The Villages, FL
Posts: 552
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Re: where to get copper buss bar and terminal covers?
Quote:
If the board I ordered is only good for 60amps, then I guess it will be useless in my cart, although I was running 6ga cables in the past with no problem. Forgive my ignorance, and I am not attempting to argue with anyone. Just trying to get my mind around the whole theory. By the way, I run my cart most of the time with the pedal to the metal and average about 23mph on a flat surface. That was by GPS and then again at one of those speed signs. |
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06-06-2019, 09:09 AM | #20 |
Not Yet Wild
Join Date: May 2019
Posts: 8
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Re: where to get copper buss bar and terminal covers?
You could always try it if you get it and it looks sturdy enough. It could work, but it will probably get really hot running that kind of amperage. That's just me going off what the guy over there said without actually seeing the board myself. It looks super convenient, though. Definitely tempting to try.
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