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Helicopter
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Electric Battery-Charger-pSupply
› Hyperion EOS 720i Super DUO3
01-13-2011 07:37 PM  7 years agoPost 41
Kiba

rrApprentice

CA

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40-70% is OK for storage, there is no really "must be 50%" so that's why TCS does not care really (target is 60% on the Hyperions)

The standard 3.85 is just something that stuck since it happens to be in the middle.
I know the 40-70% range for storage is OK, I just wished the final storage charge voltage of batteries coming off a Hyperion charger were a bit more consistent.

I do a lot of parallel charging and even though the initial inrush current equalizes each pack quickly I prefer a charger that achieves very consistent storage voltage. The iCharger line does this very well by terminating at a set voltage level, the Hyperion chargers with the TCS-calculated shutoff point leave pack voltages within a much broader voltage range.

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01-13-2011 07:39 PM  7 years agoPost 42
MrMel

rrProfessor

Gotland

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I'll put in a request for an alternative ending on Storage, might be that it takes longer time (benefit of this it has no CV stage)

Gone fishing..or hunting..or something
My site: http://heli.dacsa.net - VBar videos and more

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01-13-2011 07:46 PM  7 years agoPost 43
Kiba

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CA

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You're probably right when it comes to time required. The Hyperion storage charge seems to be achieved by CC charge or discharge with occasional 0 amperage pauses to measure pack voltage; during those 0 amp pauses the TCS level is recalculated. When 60% TCS is achieved during one of those 0A "pauses" for recalculation then it terminates.

The iCharger during storage mode will CC charge at your set charge rate (or discharge) until the overall voltage gets close to the target of 3.85V/cell * (number of cells). Once the pack voltage is monitored to be about 3.88V/cell during the CC phase the charge rate decreases to approximately 1/4 of the initial charge rate for a CV phase for the final several minutes until the 3.85v/cell target is hit and then the charge is terminated.

Because the iCharger has to reduce the charge rate near the end of the storage charge cycle to maintain a tighter control over the final pack voltage when the cycle terminates it is slower than the Hyperion method which does the entire storage charge as a CC cycle.

My gripe is a minor one, but if Hyperion could narrow down the voltage differential between packs at the termination of storage it would be an improvement IMO.

Hyperion could maintain the more rapid CC TCS method of storage charging while simultaneously tightening control over the pack end voltage if they decreased the time between 0 amp pauses for TCS recalculation during the storage mode-- especially if the TCS is close to 60%. If the 0A pause/recalculation interval is say 60 seconds and you are trying to get back to storage charge at high C rates that 60 second difference between recalculation can be a pretty large difference in final pack storage voltage.

Then again, I prefer the storage voltage to be more consistent for reasons of parallel charging-- something which Hyperion doesn't prefer their users to be doing anyways.

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01-13-2011 09:49 PM  7 years agoPost 44
Ace Dude

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USA

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Low cost PC supplies yes, server supplies are built much more rigid. They are built for cont use.
Ive built a lot for myself and my friends.

http://www.rcgroups.com/forums/showthread.php?t=1292514
Great info. in that thread. Been following it for a while. Highly recommended.

  

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01-13-2011 09:51 PM  7 years agoPost 45
Ace Dude

rrProfessor

USA

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I'll put in a request for an alternative ending on Storage, might be that it takes longer time (benefit of this it has no CV stage)
Too bad you don't do the firmware also.

  

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01-13-2011 11:41 PM  7 years agoPost 46
TJinGuy

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Socorro, NM - USA

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I just finished my article on finding a power supply for the new big chargers. It is not 100% perfect but I hope it gets the point across.
https://sites.google.com/site/tjing...for-big-charger

If anyone has any suggestions for other PS models or just suggestions in general, please let me know.

- Chris

Team New Mexico
TJinTech

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01-14-2011 12:05 AM  7 years agoPost 47
Phaedrus

rrKey Veteran

S. Orange County, California

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Nicely done. I have the Iota charger (55 amp 12V) and use it off my Honeywell 2K generator, so far it has performed nicely. I am considering one of the Meanwell PS for the 720i DUO3 I have coming!

AMA Leader Member
Go FASST, or Go Home!!
Team Futaba

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01-15-2011 07:20 PM  7 years agoPost 48
Kiba

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CA

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They're here and quite nice. My DX8 won't be back from Horizon until next Friday so no flying until then.

The chargers come with both Hyperion and JST-XH balancer adapters included so there is no need to buy additional JST-XH balancing boards as with past Hyperion chargers that only included Hyperion balance adapters.

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01-15-2011 07:26 PM  7 years agoPost 49
TJinGuy

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Socorro, NM - USA

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Out of curiosity, why did you buy two? I hope you understand that one is capable of maxing out either a 115V 15A circuit or a 2000W generator. Do you have 2 dedicated circuits, one for each power supply, to power them?

- Chris

Team New Mexico
TJinTech

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01-15-2011 09:00 PM  7 years agoPost 50
Kiba

rrApprentice

CA

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Why two? Two of them will allow me to charge all my batteries simultaneously and head to the field in about 30-35 minutes rather than 3 separate charge cycles with my current charger setup. That translates into savings of at least an hour from the time I decide to charge & fly and head to the field. On shorter winter days after work that 1 hour savings is very worth it IMO.

I fly in a 75+ acre alfalfa field less than 1/4 mile away from my house so I never do any charging at the field from a generator.

As far as power... no worries. I have a 50A 240V outlet in the garage for my TIG welder and I also have 2 dedicated 20A 120V circuits I ran last weekend anticipating these chargers.

I'm trying to decide if I want to use 240V or 120V for the power supplies; if I was only ever using them at home I'd wire them up with 240V plugs simply for less amperage draw but since I will occasionally take 1 power supply & 1 charger when I'm not charging at home I'll probably leave them wired & plugged for 120V for "use anywhere" convenience.

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01-15-2011 09:07 PM  7 years agoPost 51
TJinGuy

rrProfessor

Socorro, NM - USA

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Sounds like you have thought this out, should be a formidable, awe inspiring setup for sure

- Chris

Team New Mexico
TJinTech

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01-15-2011 09:23 PM  7 years agoPost 52
Kiba

rrApprentice

CA

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Should be a power hog for sure.

I'm hoping my converted 24V ESP135 power supplies can keep up. They'll be running at maximum when I have one of the Super Duos charging my Logo 600SE packs-- both ports of the charger will be running at the maximum of 500 watts for the majority of the charge cycle.

I'd prefer a little bit of headroom on the power supplies but I'm confident the ESP135's will have no problems running at maximum rated capacity. If they can't cut it I'll step up to ESP114 power supplies (55A @ 12V each rather than 47A for the ESP135.) I do prefer the very small form factor of the ESP135.

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01-15-2011 10:05 PM  7 years agoPost 53
TJinGuy

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Socorro, NM - USA

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The server power supplies are very solid units, so hopefully they will handle the slight overload situation without issue. If they show issue, then a drop to 18A charge rate per pack, should bring them down within the rated output of the power supplies (assuming an 80% charger efficiency). Or you could take a look at the Dell NPS-700AB units.

- Chris

Team New Mexico
TJinTech

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01-15-2011 10:23 PM  7 years agoPost 54
Kiba

rrApprentice

CA

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Those were also on my list Chris if the ESP135's won't cut it.

It's going to be very close, at this point it depends what the "overhead" of the Super Duo is on top of the actual battery output.

Hyperion's spec sheet specs 1300 watt input to achieve maximum output; I'm hoping they were a little conservative on their specs and it will only need about 1200 watts.

I was hoping the Super Duo would allow up to 36V input (as the FMA and iChargers do) in which case I would have used 3X ESP135's in series for 36V / 47A.

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01-15-2011 10:42 PM  7 years agoPost 55
TJinGuy

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Socorro, NM - USA

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Actually the PL8 only supports up to a 32V input. The only chargers that I know of that allow for a 36V input are the 3010B and 306B.

- Chris

Team New Mexico
TJinTech

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01-15-2011 11:17 PM  7 years agoPost 56
Kiba

rrApprentice

CA

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My mistake, I read (quickly) through the instructions for the Powerlab a while back when I was considering one and thought it allowed up to 36V input.

Update

MrMel, I think I found a couple of bugs in the ECDS software when paired with the Super Duo.

1. Under "Memory Editor" it defaults to Channel #1. There is no option to switch over to Channel #2 so you can't update the memory settings for channel #2 via the ECDS software.

2. Again in Memory Editor, under "battery type" all cell counts default to -1 (yes, minus one.) On top of that for all battery types besides Pb the up/down arrows do not work and you can't change the cell count to anything other than -1. If you select Pb battery type you can change the cell count.

Even though Hyperion's website says the current version of ECDS is compatible with the Super Duo I'm guessing there's probably a newer version of ECDS on the way. In the meantime I have a lot of button pressing to do and beeping to listen to.

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01-16-2011 12:18 AM  7 years agoPost 57
cmir2425

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miami, fl usa

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There is no ECDS software yet for it. Its coming though.

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01-16-2011 03:30 AM  7 years agoPost 58
Band1086

rrElite Veteran

Kennewick, Wa. USA

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I don't like the 4C limit for 5000 6S. With the two 3010B's, I can charge two batts @ 6C each...

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01-16-2011 04:12 AM  7 years agoPost 59
3Dmuse

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Ontario, Canada

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From 4C (aprox. 15min) to 6C (aprox. 10min) there isn't really any significant reduction in charge time.

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01-16-2011 04:32 AM  7 years agoPost 60
Band1086

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Kennewick, Wa. USA

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I beg to differ, I've tried both, and there is a difference. Plus with a 1000W max, how can you charge two 5000 7S at 20A ea? This charger is good to 7S...right? Still, it looks like a nice charger.

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Helicopter
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› Hyperion EOS 720i Super DUO3
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