[RE-wrenches] Kyocera KC 120-1R = 102 Watt

[jay peltz]

HI Wally,

I"m wondering if somehow the label is listing NOCT instead of STC?

Jay

peltz power




On Jul 3, 2012, at 5:47 PM, Wallace Stahle wrote:

> 
> On Jul 3, 2012, at 5:14 PM, Marv Dargatz wrote:
> 
>> OK, got it.
>>  
>> The reason I asked, is some people in the past have used Isc and Voc to attempt a power calculation.  Obviously very erroneous results with this.
>>  
>> I agree that the labeling, as you’ve described it, is a bit misleading.  Perhaps they just had a dyslexic person running the labeling machine.  To some, 120 and 102 might look the same. 
> 
> They don't actually state 102 watts on the label. Only Vmp of 16.8 and Imp of 6.08.  The install doc within did state the the STC watts are 102. along with specs on the other sizes in KC line.
>>  
>> Have you tested the modules for actual power output?
> 
> Not yet. The customer, a solar installer trainee who is trying to spare his Mom full time 2000 watt generator use, has wired them up (with other Sharp 123s he replaced on his array) but he has nothing more to measure output with than a Trimetric.
> 
> I will test them when returning for final and will include the Daystar insol. meter at array slope as well as mod temp reading and DC clamp meter.
> 
> I reckon it will be corrected for around 102 watts per the install doc.
> 
> Thanks for asking.
> Wallace Stahle
> Future Electric Energy Co
> P O Box 236
> Willits, CA 95490
> future at pacific.net
> CA Lic.# C10-762093
> 707-459-0474
> 
> 
> 
>>  
>>  
>> See ya!
>>  
>> Marv
>> Director of Technology and Support, North America
>> SolarEdge Technologies, Inc.
>> Tech Support North America:  +877.360.5292
>> Mobile: +530.392.0356
>>  
>> From: re-wrenches-bounces at lists.re-wrenches.org [mailto:re-wrenches-bounces at lists.re-wrenches.org] On Behalf Of Wallace Stahle
>> Sent: Tuesday, July 03, 2012 3:36 PM
>> To: RE-wrenches
>> Subject: Re: [RE-wrenches] Kyocera KC 120-1R = 102 Watt
>>  
>>  
>> On Jun 28, 2012, at 11:11 AM, Marv Dargatz wrote:
>> 
>> 
>> What is “peak volts” and “peak amps”?
>>  
>> The only ratings that should apply here are Vmp and Imp.  Plus, of course, deratings for temperature and correction for irradiance and angle of incidence.
>>  See ya!
>>  
>> Marv 
>>  
>> 
>> 
>> I multiplied the labeled peak volts x the peak amps at STC.  That is, using the stated data from label on back of module.
>>  
>>  
>> Uh yeah, up here in Northern California, or at least the small padded room I'm in, peak volts and peak amps are the same as Vmp and Imp. I just got sloppy being way tired when I posted that.
>>  
>> Even with that fuzzyness explained,  the KC120-1R modules being sent as replacements are actually LABELED on back as putting out 102 watts at STC  if you multiply the.... stated on the label.
>> Yet it is called KC120-1R   That is shocking and represents deliberate deception in my opinion. 
>> 
>>  
>> If any of you have replaced these faulty KC120s with KC120-1R then I encourage you to find out what the labeled Vmp x Imp is.
>>  
>> If you want to open a can of worms that is.
>>  
>> It may be these two are an anomaly. I am having the recipient of the batch in question confirm on those he has.
>>  
>> Happy trails,
>>  
>> Wallace Stahle
>> Future Electric Energy Co
>> P O Box 236
>> Willits, CA 95490
>> future at pacific.net
>> CA Lic.# C10-762093
>> 707-459-0474
>>  
>>  
>>  
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