[RE-wrenches] Lithium Ion Batteries

Mon Mar 23 11:36:45 EDT 2020

Another way to buy more time with simplyphi would be to minimize LBCO
hysteresis voltage and LBCO delay time. This would shut down the inverter
sooner. They appear to be set at the defaults and could go lower. 

Dave
Angelini Offgrid Solar
"we go where powerlines
don't"
http://members.sti.net/offgridsolar/ [1]
e-mail offgridsolar at sti.net
[2]
text 209 813 0060

On Mon, 23 Mar 2020 15:06:10 +0000, Sandra Herrera 
wrote:      

Hi Ray, 

We have been working with most of the leading
lithium manufacturers for several years now. Some have already implemented
closed-loop integration such as Discover, other we are working with
open-loop integration with Simpliphi, Fortress, Blue Ion, others. 

For the
manufactures that are open loop, we have done extensive work with them,
which included lab testing as well as support with the documentation. 

I
have personally supported most of the manufacturers listed above; this
includes Simpliphi and support of their documentation, related to the
Schneider Electric setting. 

With the Conext XW Pro we are moving to SOC
for many of these settings, that will integrate better than using voltage.
Additional work of integrating these manufactures using Gateway through
Modbus communication. 

I know that at times it seems very simple to make a
programming change, but we as the manufacturers must look at the full
picture of all the applications of the product and not create a conflict.
An alternative would be a Simpliphi specifically firmware, this sounds very
simple, but it is cost-prohibitive, as the product would have to be UL
tested again. Each time we have to run a product through UL it will add to
the cost of the product. It is a balance between the feature and staying
competitive. 

I hope this help to cl;arify, let me know if you have any
question  

Sandra Herrera 

Sandra.herrera at se.com 

FROM: RE-wrenches  ON
BEHALF OF Ray
 SENT: Saturday, March 21, 2020 8:46 AM
 TO:
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 SUBJECT: Re: [RE-wrenches] Lithium Ion
Batteries   

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-------------------------

We've been having good luck with SImpliphi, the
pricing has recently gotten much more competitive. As it's names states,
its simple. Each 3.8 kWh unit has an 80 amp breaker built into the top,
weigh about 75 lbs, and are a bit smaller than an L16 but with carry
handles. We use an insulated 2 pole combiner block to run all the parallel
conductors to the main 2/0 cable. No monitoring, but they do have an handy
setup guide with recommended settings, specific for each manufacturer
(including Outback).  

Note to all: Schneider XW can still not set its LVD
above 48, which basically makes it incompatible with most Li+ batteries.
Their tech support has been abysmal as well. We're looking forward to them
as one of the larger companies in the business, to put additional resources
into their engineering, and come out with at least a firmware update to
correct this problem.  
Ray Walters

Remote Solar

303 505-8760

On 3/20/20
3:59 PM, David Katz wrote:     

Hello Wrenches,   

I am working with some
people that want to use a 20 kw-hour to 30 kw-hour 48 volt lithium-ion
battery with an Outback Radian and Outback FM charge controllers.   

They
are considering using Discover, Blue-Ion, Battle Born or SimpliPhi
batteries.   

Does any one have any recommendations of which battery
functions best with the Outback system.   

Thanks,   

David Katz  

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