Re: [EVDL] Subject: Clean Power bites the dust

2017-03-08 Thread Willie via EV 



On 03/08/2017 11:44 AM, Cruisin via EV wrote:

Sounds like a knock off of the Mini BMS


Yes, just as miniBMS was a knock off of the Australian .

I first used the Australian system about 2008 and would have continued 
had he not stopped supply needed replacement parts.  The Australian, in 
retrospect was much more reliable because it was much more weatherproof 
than miniBMS.


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Re: [EVDL] Subject: Clean Power bites the dust

2017-03-08 Thread Cruisin via EV 
Sounds like a knock off of the Mini BMS

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Nabble.com.
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Re: [EVDL] Subject: Clean Power bites the dust

2017-03-08 Thread Matthew Quitter via EV 
I recently came across this on the British Battery Vehicle Society:

http://www.batteryvehiclesociety.org.uk/forums/viewforum.php?f=53

And a video of the BMS - https://www.youtube.com/watch?v=Wgyg41GIGxU

Trying to track down the fellow who made it.

07966 806 727


On 8 March 2017 at 17:24, paul dove via EV  wrote:

> Thats good but thermal monitoring is necessary with many chemistries.
> Every laptop battery I have every taken apart had thermal sensors on each
> cell.
>
> Sent from my iPhone
>
> > On Mar 8, 2017, at 10:33 AM, John Lussmyer via EV 
> wrote:
> >
> > On Wed Mar 08 08:08:01 PST 2017 ev@lists.evdl.org said:
> >> Would you share what you're doing to build a BMS, what you've learnt
> etc?
> >
> > This is my 5th BMS version.
> > I originally had units with little micro computers on them, and all
> kinds of nifty digital features. (revs 1 - 3)
> > PITA to program, reliable communications difficult, expensive, and was
> hard to detect individual unit failures.
> > While it was "fun" to watch all the individual voltages on a display, it
> wasn't especially USEFUL to do so.
> >
> > Rev 4 and 5 have gone back to a simple analog system.
> > It detect undervoltage, overvoltage, and has up to 200ma of bypass
> balancing.
> > The only output of the units is a single small LED on each reg (on is
> good!), and a single wire output that is daisychained from unit to unit.
> > The wire is a current loop, so if ANYTHING goes wrong (unit fails, wire
> comes loose, cell goes completely dead, etc..) you loose signal.
> > My in-cab indicator is a green LED that is on if all is good, and a
> buzzer that goes off if something is wrong.
> > I've also hooked up a small relay to shut off the charger if "something
> wrong" happens.
> >
> >
> > --
> >
> > Worlds only All Electric F-250 truck! http://john.casadelgato.com/
> Electric-Vehicles/1995-Ford-F-250
> >
> > ___
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> > Read EVAngel's EV News at http://evdl.org/evln/
> > Please discuss EV drag racing at NEDRA (http://groups.yahoo.com/
> group/NEDRA)
> >
>
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Re: [EVDL] Subject: Clean Power bites the dust

2017-03-08 Thread Gary Krysztopik via EV 
There has been an open source bms project on endless sphere (search osbms)
that has been on and off for years.  Seemed like a good start.
On Wed, Mar 8, 2017 at 9:08 AM, Matthew Quitter via EV 
wrote:

> Would you share what you're doing to build a BMS, what you've learnt etc?
>
> I'm interested in doing something similar, eventually...
>
> 07966 806 727
>
>
> On 8 March 2017 at 15:49, John Lussmyer via EV  wrote:
>
> > On Wed Mar 08 06:31:03 PST 2017 ev@lists.evdl.org said:
> > >In the past we have used the Mini BMS on low voltage projects like
> > >Electric Lawn Mowers and Golf Carts.  Now that Clean Power is no
> > >longer, I have been beta testing other BMS'.  There are many different
> >
> > And there are also hobbyiests (like me) building their own BMS.
> > I'm about to replace the one in my Truck with a newer version.
> > So I'll have 240 (or so) units of the old one to sell cheap.  (Most of
> the
> > issues I'm fixing with the new version are ease of installation and
> > mounting.)
> >
> >
> >
> > --
> >
> > Bobcats and Cougars, oh my!  http://john.casadelgato.com/Pets
> > ___
> > UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub
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> > Read EVAngel's EV News at http://evdl.org/evln/
> > Please discuss EV drag racing at NEDRA (http://groups.yahoo.com/
> > group/NEDRA)
> >
> >
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On Wed, Mar 8, 2017 at 9:08 AM, Matthew Quitter via EV 
wrote:

> Would you share what you're doing to build a BMS, what you've learnt etc?
>
> I'm interested in doing something similar, eventually...
>
> 07966 806 727
>
>
> On 8 March 2017 at 15:49, John Lussmyer via EV  wrote:
>
> > On Wed Mar 08 06:31:03 PST 2017 ev@lists.evdl.org said:
> > >In the past we have used the Mini BMS on low voltage projects like
> > >Electric Lawn Mowers and Golf Carts.  Now that Clean Power is no
> > >longer, I have been beta testing other BMS'.  There are many different
> >
> > And there are also hobbyiests (like me) building their own BMS.
> > I'm about to replace the one in my Truck with a newer version.
> > So I'll have 240 (or so) units of the old one to sell cheap.  (Most of
> the
> > issues I'm fixing with the new version are ease of installation and
> > mounting.)
> >
> >
> >
> > --
> >
> > Bobcats and Cougars, oh my!  http://john.casadelgato.com/Pets
> > ___
> > UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub
> > http://lists.evdl.org/listinfo.cgi/ev-evdl.org
> > Read EVAngel's EV News at http://evdl.org/evln/
> > Please discuss EV drag racing at NEDRA (http://groups.yahoo.com/
> > group/NEDRA)
> >
> >
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Re: [EVDL] Subject: Clean Power bites the dust

2017-03-08 Thread paul dove via EV 
Thats good but thermal monitoring is necessary with many chemistries. Every 
laptop battery I have every taken apart had thermal sensors on each cell.

Sent from my iPhone

> On Mar 8, 2017, at 10:33 AM, John Lussmyer via EV  wrote:
> 
> On Wed Mar 08 08:08:01 PST 2017 ev@lists.evdl.org said:
>> Would you share what you're doing to build a BMS, what you've learnt etc?
> 
> This is my 5th BMS version.
> I originally had units with little micro computers on them, and all kinds of 
> nifty digital features. (revs 1 - 3)
> PITA to program, reliable communications difficult, expensive, and was hard 
> to detect individual unit failures.
> While it was "fun" to watch all the individual voltages on a display, it 
> wasn't especially USEFUL to do so.
> 
> Rev 4 and 5 have gone back to a simple analog system.
> It detect undervoltage, overvoltage, and has up to 200ma of bypass balancing.
> The only output of the units is a single small LED on each reg (on is good!), 
> and a single wire output that is daisychained from unit to unit.
> The wire is a current loop, so if ANYTHING goes wrong (unit fails, wire comes 
> loose, cell goes completely dead, etc..) you loose signal.
> My in-cab indicator is a green LED that is on if all is good, and a buzzer 
> that goes off if something is wrong.
> I've also hooked up a small relay to shut off the charger if "something 
> wrong" happens.
> 
> 
> --
> 
> Worlds only All Electric F-250 truck! 
> http://john.casadelgato.com/Electric-Vehicles/1995-Ford-F-250
> 
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> UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub
> http://lists.evdl.org/listinfo.cgi/ev-evdl.org
> Read EVAngel's EV News at http://evdl.org/evln/
> Please discuss EV drag racing at NEDRA (http://groups.yahoo.com/group/NEDRA)
> 

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Re: [EVDL] Subject: Clean Power bites the dust

2017-03-08 Thread John Lussmyer via EV 
On Wed Mar 08 08:08:01 PST 2017 ev@lists.evdl.org said:
>Would you share what you're doing to build a BMS, what you've learnt etc?

This is my 5th BMS version.
I originally had units with little micro computers on them, and all kinds of 
nifty digital features. (revs 1 - 3)
PITA to program, reliable communications difficult, expensive, and was hard to 
detect individual unit failures.
While it was "fun" to watch all the individual voltages on a display, it wasn't 
especially USEFUL to do so.

Rev 4 and 5 have gone back to a simple analog system.
It detect undervoltage, overvoltage, and has up to 200ma of bypass balancing.
The only output of the units is a single small LED on each reg (on is good!), 
and a single wire output that is daisychained from unit to unit.
The wire is a current loop, so if ANYTHING goes wrong (unit fails, wire comes 
loose, cell goes completely dead, etc..) you loose signal.
My in-cab indicator is a green LED that is on if all is good, and a buzzer that 
goes off if something is wrong.
I've also hooked up a small relay to shut off the charger if "something wrong" 
happens.


--

Worlds only All Electric F-250 truck! 
http://john.casadelgato.com/Electric-Vehicles/1995-Ford-F-250

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Re: [EVDL] Subject: Clean Power bites the dust

2017-03-08 Thread Matthew Quitter via EV 
Would you share what you're doing to build a BMS, what you've learnt etc?

I'm interested in doing something similar, eventually...

07966 806 727


On 8 March 2017 at 15:49, John Lussmyer via EV  wrote:

> On Wed Mar 08 06:31:03 PST 2017 ev@lists.evdl.org said:
> >In the past we have used the Mini BMS on low voltage projects like
> >Electric Lawn Mowers and Golf Carts.  Now that Clean Power is no
> >longer, I have been beta testing other BMS'.  There are many different
>
> And there are also hobbyiests (like me) building their own BMS.
> I'm about to replace the one in my Truck with a newer version.
> So I'll have 240 (or so) units of the old one to sell cheap.  (Most of the
> issues I'm fixing with the new version are ease of installation and
> mounting.)
>
>
>
> --
>
> Bobcats and Cougars, oh my!  http://john.casadelgato.com/Pets
> ___
> UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub
> http://lists.evdl.org/listinfo.cgi/ev-evdl.org
> Read EVAngel's EV News at http://evdl.org/evln/
> Please discuss EV drag racing at NEDRA (http://groups.yahoo.com/
> group/NEDRA)
>
>
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