Power in Flux

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Type: Posts; User: frodus

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    What I've been working on: Palatov D2EV

    It's been an exciting year or two for me. I sold my Brammo Empulse in 2018 to make room for a Model 3. The Model 3 took too long and I ended up with a Chevy Volt last December. Then, early this year,...
  2. Sigma makes both Sepex and some AC drives. In his...

    Sigma makes both Sepex and some AC drives. In his links, he lists out the model of the controller (SET835M, SET I think stands for Separately Excited Traction). He states it was programmed by...
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    Sorry for lack of updates. This took a few turns....

    Sorry for lack of updates. This took a few turns. Many of you know that I had a business selling motors and controllers. I was put into contact with Topkart to supply them some components....
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    I'd suggest you reach out to Kelly. I'm not sure...

    I'd suggest you reach out to Kelly. I'm not sure if they've run one.
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    Thanks.

    Thanks.
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    Is the bike complete? or did you use the frame?

    Is the bike complete? or did you use the frame?
  7. It's a bit confusing. Were they charging or...

    It's a bit confusing. Were they charging or finished charging?

    They say this:
    “Just at the end of the charging process, they noticed that fumes were coming out of one of the boxes and when they...
  8. yeah, this is serious. Hope they can recover some...

    yeah, this is serious. Hope they can recover some of it.
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    If you didn't buy from me, or someone who has, it...

    If you didn't buy from me, or someone who has, it is very likely that it does NOT have lithium profiles on it. They're specially made for lithium.

    See what you have on there, but I bet it's the...
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    They're welded tabs, so hard to get into another...

    They're welded tabs, so hard to get into another form factor without significant work. One tab on each end, so there are welds on both sides.

    Read up here, where I asked the question:...
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    I forget, did you have yours programmed by me?...

    I forget, did you have yours programmed by me? I'm one of the few places that has lithium algorithms.

    If not, then there's no knowing what algorithms you have in there. I'd suggest you look in...
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    Got a link with more info? 64V and 43Ah is not...

    Got a link with more info?

    64V and 43Ah is not 2s2p.
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    It's interesting. I remember Brian being a...

    It's interesting. I remember Brian being a proponent of transmissions, and now he's more supportive simplicity of a single reduction in his interviews on some articles. Good info.

    Bike looks great.
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    ugh

    ugh
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    Customers prior to closing, I can assist with...

    Customers prior to closing, I can assist with whatever I sold them as a package, just not additional requests.

    For the bluetooth project, that's being handled by Sportdevices:...
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    So, Things have been kind of hectic. I wasn't...

    So, Things have been kind of hectic.

    I wasn't expecting to change careers into the EV world, but I should be starting work with Cascadia Motion, owned by BorgWarner, in the coming weeks. So I'm...
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    Those are great! They monitor and balance. I...

    Those are great! They monitor and balance. I think they have temp sense inputs too.

    Which linear chip is it? They have pretty nice software you can use to get them working pretty easily.
  18. Thread: Sun 300-1774

    by frodus
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    They may not regulate the output unless hooked to...

    They may not regulate the output unless hooked to a load. Can you test them with a load?
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    I'll say this from experience, that you're...

    I'll say this from experience, that you're unlikely to create a DCF from scratch without a Dyno and some involvement from Sevcon. I have some, you'll need to test it though.

    If its a race bike,...
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    You'll need that file for the Sevcon in order to...

    You'll need that file for the Sevcon in order to get it working if the controller is brand new. If it's already programmed, you should be OK. Any more details you can share?

    You're right, my...
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    It looks mostly good. Unfortunately I don't...

    It looks mostly good.

    Unfortunately I don't know the file for the Zero motor enough to know if they've programmed the FS1, Seatswitch, etc. And I'm not sure if they've disabled the forward...
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    Let me clarify. It's a race bike. Things get...

    Let me clarify. It's a race bike. Things get rebuilt, and balanced once back in the shop. Discharge ought to be fine if he sets the LVC on the controller to an acceptable level.

    I still prefer a...
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    I think you're right for discharging. I'm just...

    I think you're right for discharging. I'm just hesitant for the charging side is all. If there's alarms, and someone is manning the charger until one of those alarms goes off, he should be OK. But I...
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    Go back to work Ted :)

    Go back to work Ted :)
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    As long as you can hear those. I wouln't ever...

    As long as you can hear those. I wouln't ever leave the vehicle unattended during charging.

    I'd suggest monitoring with something that has an output that can be used to drive a relay to shut...
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