[NSRCA-discussion] TP 1010 testing

Grow Pattern pattern4u at comcast.net
Tue Mar 28 19:52:38 AKST 2006 

So who is sponsored by FMA or is getting free stuff from them???


----- Original Message ----- 
From: "Ron Van Putte" <vanputte at cox.net>
To: "NSRCA Mailing List" <nsrca-discussion at lists.nsrca.org>
Sent: Tuesday, March 28, 2006 4:34 PM
Subject: Re: [NSRCA-discussion] TP 1010 testing


> 
> On Mar 28, 2006, at 3:24 PM, Robert Mairs wrote:
> 
>> I cked out the FMA charger also before buying, actually it was the  
>> one I
>> wanted to get.  Still using tp paks I asked the question on the fma  
>> board
>> how this charger would work with the tp paks, they ignored my  
>> question.  I
>> assume that it would have to charge through the balance connector?   
>> Would
>> the connector be able to handle the 6amps+?  or was it a stupid  
>> question?  I
>> know they plan on coming out with tp connectors.
> 
> FMA has a curious attitude toward dealers and customers.  They  
> sometimes act as though we are the great unwashed and shouldn't be  
> asking questions; we should just buy their stuff and use it, because  
> it's the best you can buy.  If you don't believe me, just try asking  
> a tough question to one of them at the Toledo show in a week or so.
> 
> Ron Van Putte
> 
>>
>>
>> ----- Original Message -----
>> From: "Dean Pappas" <d.pappas at kodeos.com>
>> To: <chad at f3acanada.org>; "NSRCA Mailing List"
>> <nsrca-discussion at lists.nsrca.org>
>> Sent: Tuesday, March 28, 2006 12:43 PM
>> Subject: Re: [NSRCA-discussion] TP 1010 testing
>>
>>
>>> Hi Chad,
>>> I don't know the internals of the TP circuits, but if the data  
>>> link from
>>> balancer to charger is a simple alarm, then
>>> the balancer will have to produce the same alarm/output in either  
>>> a real
>>> over-voltage, or a "can't keep up with a growing imbalance"  
>>> condition.
>>> Either way, the circuit worked fine, to avoid problems.
>>>
>>> The FMA just seamlessly slows the charge rate down, and resumes at
>>> high-rate, when the imbalance is taken care of.
>>>
>>>
>>> Dean Pappas
>>> Sr. Design Engineer
>>> Kodeos Communications
>>> 111 Corporate Blvd.
>>> South Plainfield, N.J. 07080
>>> (908) 222-7817 phone
>>> (908) 222-2392 fax
>>> d.pappas at kodeos.com
>>>
>>>
>>> -----Original Message-----
>>> From: nsrca-discussion-bounces at lists.nsrca.org
>>> [mailto:nsrca-discussion-bounces at lists.nsrca.org]On Behalf Of Chad
>>> Northeast
>>> Sent: Tuesday, March 28, 2006 12:28 PM
>>> To: NSRCA Mailing List
>>> Subject: Re: [NSRCA-discussion] TP 1010 testing
>>>
>>>
>>> Hi Bob
>>>
>>> The overvoltage seems to be quite common...I get it  
>>> frequently...the packs
>>> are not going over voltage though...checked with my Fluke on  
>>> recharge.
>>> Seems to happen when the charger/balancer gets hot...I have seen it
>>> display over 6V for individual cells.
>>>
>>> My charger goes into CV at 41V....but I have also had them  
>>> terminate the
>>> charge early (41V)....unsure as to why.
>>>
>>> Chad
>>>
>>> ----- Original Message -----
>>> From: Robert Mairs <robertm at sssnet.com>
>>> Date: Tuesday, March 28, 2006 8:51 am
>>> Subject: [NSRCA-discussion] TP 1010 testing
>>>
>>>> Got tired of building this last weekend, and decided to do some
>>>> testing of
>>>> the TP1010c charger.  Debated whether to post this, but some might
>>>> be
>>>> interested.
>>>>
>>>> All tests were done with the 5s3p 6000 prolites that have 90-100
>>>> cycles on
>>>> them.
>>>>
>>>> First off these packs haven't been touched since the end of
>>>> september, in
>>>> storage all winter.  So I proceeded to do a 1c charge, and then
>>>> discharged
>>>> with a cba to ck pack capacity.  They're holding up quite well
>>>> with about a
>>>> 4% drop in capacity as compared to new.  1c charge was quite
>>>> uneventful,
>>>> mostly getting accustomed to the charger.  I used both the 210 and
>>>> 205
>>>> balancers, both worked well with the system.  I did order 2 charge
>>>> systems,
>>>> but alas one charger had problems and has been sent back to
>>>> thunder power.
>>>> The push buttons seemed to lock up after a few seconds.  Only way
>>>> to get it
>>>> to unlock was to power it down.  Upon reactivation it would seem
>>>> alright,
>>>> but then the problem would reappear.  This was over several  
>>>> attempts.
>>>>
>>>> I then decided to do a 10s charge after deep cycling the pack to
>>>> get a mah
>>>> reading.  Resting voltage of the pack 34.992.
>>>>
>>>> A .029 spread over the 10 cells.  Close to the .03, but the
>>>> balancer said it
>>>> was ok to do normal charge.
>>>>
>>>> Charger started the initial charge for about 4 min then ramped up
>>>> to 5amps
>>>> as it got close to 37volts.  At 40volts charger went into cv from
>>>> cc which
>>>> seemed a little early??  Balancer was working pretty hard by this
>>>> time.  Not
>>>> sure at what point it was, but the alarms and bells started going
>>>> off, and
>>>> the charger shut down stating overvoltage on cell 6.  Balancer was
>>>> pretty
>>>> hot and quite active.  Not sure why it couldn't keep up, but it
>>>> didn't.  Let
>>>> the pack continue to balance out, and restarted the charge which
>>>> took about
>>>> another 400mah before pack was fully charged.  Anyways, found out
>>>> the
>>>> overvoltage feature works!  Wisdom gained, if that big of a cell
>>>> spread,
>>>> balance it out first, but I was kind of surprised this happened.
>>>> First
>>>> because the balancer said ok, 2nd I thought the charger wouldn't
>>>> ramp up the
>>>> current until all cells were within specs, 3rd I didn't think the
>>>> balancer
>>>> would have any problem at 5amps which is only a .8c charge.
>>>>
>>>>
>>>>
>>>> Redischarged the packs, taking out about 4500mah.  Pack voltage
>>>> this time
>>>> was at 37.26 with only .006 spread over the 10 cells.  Started the
>>>> same 10s
>>>> charge, this time uneventful til completion.  The balancer was
>>>> quite active,
>>>> but didn't heat up as the first charge did.  Total charge time was
>>>> 65
>>>> minutes and put in 4594mah.  Balancer was still active at end of
>>>> charge.
>>>> cell voltage spread was .012 over the 10 cells, pack voltages were
>>>> 20.86 and
>>>> 20.84.  Not sure I like the 10s feature.
>>>>
>>>>
>>>>
>>>> Decided to try a 1.5c charge on one of the 5s packs.
>>>>
>>>> Resting voltage 18.68 with a .005 spread on the 5 cells.  Set to
>>>> 5cells
>>>> 9amps, fast charge.
>>>>
>>>> 1st 1000mah at about 7min.
>>>> 2nd 1000mah at about 13min.
>>>> at 30min was at 3.86amps, voltage at 21v.  4290mah
>>>> 31min   3.2amps, 4350mah
>>>> 32min   2.78amps, 4390mah
>>>> 33min   2.33amps, 4437mah
>>>> 34min   2.13amps, 4474mah
>>>> 35min   1.75amps, 4506mah
>>>> 36min   1.58amps, 4533mah
>>>> 36min 52sec  charge terminated at 4554mah
>>>>
>>>> cv kicked in at 20.48volts
>>>>
>>>> Ending voltage was 20.85 with a .006 spread over the 5 cells.
>>>> Noticed no
>>>> heat buildup in pack, or balancer.  Balancer showed little
>>>> activity through
>>>> out the charge.  Didn't work nearly as hard as the successful 10s
>>>> charge.
>>>> Used the 205v balancer on the 1.5c charge.
>>>>
>>>> Also tried the storage discharge and charge which worked quite
>>>> well.  The
>>>> discharge came closer at 19.26 volts, can only discharge a 1amp.
>>>>
>>>> Chargers quite easy to use.  I'm leaning towards the 1.5c charge
>>>> with 2
>>>> chargers.  It worked very well.  Will have to wait and see how
>>>> long it takes
>>>> to get my 2nd charger back.
>>>> Anyways that's the way it went for me for those interested.
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> _______________________________________________
>>>> NSRCA-discussion mailing list
>>>> NSRCA-discussion at lists.nsrca.org
>>>> http://lists.nsrca.org/mailman/listinfo/nsrca-discussion
>>>>
>>>
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>>
>>
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