Re: [RE-wrenches] Whisper Turbine Parts

2013-07-13 Thread Ron Young
Look forward to your evaluation Jeremy. I have a number of 100's  200's in the 
field. I'm currently replacing a failed 200 controller with a Midnite Clipper  
Classic 200 and am hoping the increase in performance advertised by Midnite 
will actually materialize and help to offset the significant increase in cost.

Ron Young
earthRight Solar

On 2013-07-08, at 8:50 PM, All Solar allso...@scswifi.net wrote:

 
 I will be ordering a new controller for the WHI100/200 made by Luminous RE 
 out of India. There is a dealer in Colorado. 
 I can report on its performance after its been in for a while. 
 Maybe we have a source now!
 
 Jeremy
 All Solar
 
 Sent by Jeremy's iPhone. Sorry for typos and shorthand!
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Re: [RE-wrenches] Adding similar but updated modules to same inverter

2013-07-13 Thread David Katz
You would get more output for less money if you add an additional module to 
each string and keep the old inverter, than if you bought a new inverter.
David Katz

Sent from my iPhone

On Jul 12, 2013, at 4:27 PM, August Goers 
aug...@luminalt.commailto:aug...@luminalt.com wrote:

Hi Wrenches,

I have a client with a small system consisting of 6 SunPower 230s and a SMA SB 
3000. Anyway, he wants to add another 6 modules but the closest we can get from 
SunPower these days is a 245. The new six modules would go on a second string.

Do you think that the slight difference in tracking voltage and current will be 
significant enough to justify the cost of adding or swapping the inverter? Here 
is the info for the modules:

SunPower 230 WHT
Vmpp41.0 V
Impp 5.61 A
Voc48.7 V
Isc   5.99 A

SunPower 245NE WHT
Vmpp40.5 V
Impp 6.05 A
Voc48.8 V
Isc   6.43 A

I imagine that the tracker in the Sunny Boy will be a little off and perhaps 
the result will be that both strings will be running a few percent lower than 
they are capable of?

Best, August


August Goers
Luminalt Energy Corporation
o: 415.641.4000
m: 415.559.1525

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Re: [RE-wrenches] Adding similar but updated modules to same inverter

2013-07-13 Thread Dave Click
I think that the 230s required positive grounding, so you can't swap out 
the inverter for a TL unit. These two circuits in parallel will be fine 
for your MPPT, you'll have essentially the same voltages but slightly 
higher current in your new second string.


DKC

On 2013/7/12 19:27, August Goers wrote:


Hi Wrenches,

I have a client with a small system consisting of 6 SunPower 230s and 
a SMA SB 3000. Anyway, he wants to add another 6 modules but the 
closest we can get from SunPower these days is a 245. The new six 
modules would go on a second string.


Do you think that the slight difference in tracking voltage and 
current will be significant enough to justify the cost of adding or 
swapping the inverter? Here is the info for the modules:


SunPower 230 WHT

Vmpp41.0 V

Impp 5.61 A

Voc48.7 V

Isc   5.99 A

SunPower 245NE WHT

Vmpp40.5 V

Impp 6.05 A

Voc48.8 V

Isc   6.43 A

I imagine that the tracker in the Sunny Boy will be a little off and 
perhaps the result will be that both strings will be running a few 
percent lower than they are capable of?


Best, August

*August Goers*

Luminalt Energy Corporation

o: 415.641.4000

m: 415.559.1525



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