SolarWorld Sunmodule Plus 260 Watt Mono Version 2.5 Frame

Solarworld, sunmodule, SW

As the largest PV manufacturer in the USA since 1977, SolarWorld has been standing behind its products for over 30 years. Plus sorting is in effect for all shipments, ensuring that each module's flash tested rated power is greater than the rated power at STC. The company also offers an extraordinary "Linear Performance Guarantee", which ensures that their modules' output will not deviate less than 3% of rated power in Year 1 and not more than 0.7% every year thereafter up to Year 25 inclusive. SolarWorld Sunmodules finished 1st in 2008 and 2009 in independent module yield tests performed outdoors by Photon International, generating more kWh per rated kW than competing modules.

* Use with interconnects

The result of these product enhancements and superior performance in field tests is a low risk, bankable investment for residential and commercial PV system owners alike.

SolarWorld SW 260 mono
# 13-05-040
SOLARWORLD 260 WATT MONO SOLAR MODULE (30 per pallet)

SolarWorld SW 260 mono PDF download

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Product #
Model
Maximum Current
Maximum Power
Voltage
Voltage
Length
Width
Depth
Weight
(A)
(W)
(Voc)
(Vmp)
(mm)
(mm)
(mm)
(kgs)
13-05-041
SW265 Mono
8.33
265
38.10
31.90
1675
1001
31
21.2
13-05-040
SW260 Mono
8.24
260
37.90
31.60
1675
1001
31
21.2
13-05-043
SW260 Black
8.24
260
37.90
31.60
1675
1001
31
21.2
13-05-042
SW255 Black
8.15
255
37.80
31.40
1675
1001
31
21.2
13-05-034
SW235 Poly
7.85
235
37.60
30.00
1675
1001
31
21.2
13-05-039
SW130 Poly
7.49
130
21.50
17.40
1675
1001
31
11.8
13-05-024
SW80 Poly
4.49
80
21.90
17.90
958
680
34
7.6
13-05-021
SW50 Poly
2.75
50
22.1
18.20
680
680
34
5.6

 

Photovoltaic Solar Modules

Today there are three forms of commercially available solar cells - monocrystalline, polycrystalline and thin-film. Each of these technologies has its benefits and demonstrated strengths. Due to their higher efficiency and longer useful life monocrystalline cells have been the technology most favoured by industry, however, the trend and future seems to lie with thin-film which typically has demonstrated lower cost per watt, cell efficiencies and life expectancy.

PV cells operate at a relatively stable voltage while the direct currents they produce varies with light intensity. The performance of solar cells under different light conditions is demonstrated by the I-V curve, the relation between the current and voltage produced. The efficiency of this relationship is the ratio of the power output to the power of the sunlight striking the cell. In practical terms, the solar module with the highest efficiency will have the smallest surface area producing the highest amount of useful energy over a given period of time.

Rated vs. actual energy output

The optimum power of a cell is referred to as its maximum power point (MPP) where the combination of the highest current and voltage, usually 17 VDC, is achieved under standard test conditions (STC) of 1000 w/m2 of light and cell temperature of 25° C. Seldom do the modules operate under a clear blue sky and operating temperatures of the cells are generally in the range of 30° C warmer than the ambient air which reduces their output. Photovoltaic modules are typically rated according to their wattage output, under STC.

If a solar module generates a rated 4.4 amps @ 17 volts this equates to a 75 watt rating. In a nominal 12 V battery system, however, the module continues to generate 4.4 amps though at a lower 12 - 13 volts producing a maximum of only 57 watts. Good photovoltaic system design will use the rated amps - the power actually delivered to the battery bank.

What affects PV performance?

Light intensity - The rated power of a solar module is made at a standard test condition of 1000 w/m2 light intensity. Their power is directly related to this intensity, thus on a fully overcast day a solar module can be expected to reach about one-tenth of its rated power.

Technology - Different cells have varying degrees of efficiency and operating characteristics. Crystalline modules usually operate in the 0.5 -0.6 V range, however, thin film cells are generally higher.
Cell size - The power generated by the cell is proportional to its size - more sunlight hits a larger cell thus more power is generated.
Seasonality - Most regions of Canada receive at least 2200 hours of sunlight each year. The distribution of this sunlight is of course highly variable with November and December yielding less than 1/3 the direct sunlight that is available in July.
Temperature - With the exception of amorphous modules, photovoltaic cell efficiency improves producing higher currents in cold temperatures. In fact, a modules peak power and voltage will improve by 0.3 - 0.5% for every one degree Celsius below 25° C.

 

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