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									Shell Solar
Product Information Sheet

   Shell ST20
   Photovoltaic Solar Module

General                                           Shell ST20 Module                                Benefits
The Shell ST20 module is composed of a                                                             • Exceptional performance under low light
monolithic structure of series connected Copper                                                      conditions, shade and high temperature
Indium Diselenide (CIS) based solar cells.                                                           tolerance that offers reliable power in
                                                                                                     adverse or changeable conditions.
The Shell ST20 can generate a peak power
                                                                                                   • Class leading efficiency and stable output
of 20 watt at 15.6 volt.
                                                                                                     power delivering reliable high performance
The Shell ST20 solar module has been                                                                 for many years.
designed for rural and industrial applications.                                                    • Highly transparent tempered glass delivering
                                                                                                     more power and ensuring high impact
Qualifications                                                                                       resistance and protection against hail,
                                                                                                     snow, ice and storms.
and Certificates
                                                                                                   • Uniform appearance ideal for applications
The Shell ST20 solar module meets the                                                                where aesthetics are an important factor.
following requirements:
                                                                                                   • 10 years research and over 3 years
• UL – Listing 1703                                                                                  commercial manufacturing experience has
                                                                                                     been applied to the development of our CIS
                                                                                                     thin-film range to ensure that our products
                                                                                                     have a long and reliable service life backed
                                                                                                     by a 10 year warranty.
All Shell Solar modules are produced in
EN-ISO 9001certified factories.

Limited Warranties
• Peak Power for 10 years
                                                  Installation Cables
• Product workmanship for 2 years                                                                  ELECTRICAL EQUIPMENT,
                                                  Two conductor 1.54m (minimum length) UV          CHECK WITH YOUR INSTALLER
                                                  stable cable facilitates a variety of mounting
                                                                                                   Due to continuous research and product improvement
                                                  schemes and permits easy field wiring.           the specifications in this Product Information Sheet are
                                                                                                   subject to change without notice. Specifications can vary
                                                                                                   slightly. For installation and operation instructions, see
                                                                                                   the applicable manuals. No rights can be derived from
                                                                                                   this Product Information Sheet and Shell Solar assumes
                                                                                                   no liability whatsoever connected to or resulting from
                                                                                                   the use of any information contained herein.
   Shell ST20
   Photovoltaic Solar Module

Mechanical                                           Electrical Characteristics                        Typical I/V Characteristics
Specifications Module                                Data at Standard Test Conditions (STC)            The I/V graph below shows the typical
A torsion and corrosion-resistant anodised                                                             performance of the solar module at various
                                                     STC: irradiance level 1000W/m2, spectrum
aluminium frame ensures dependable                                                                     levels of irradiance.
                                                     AM 1.5 and cell temperature 25°C
performance, even under harsh weather

conditions. Pre-drilled mounting holes are           Rated power              Pr               20W
provided for ease of installation.
                                                                                                                                                    1000 W/m 2
                                                     Peak power               Pmpp             20W

                                                                                                             Module Current (A)
                                                                                                                                                     800 W/m 2
                                                     Peak power voltage       Vmpp            15.6V                               1.0

                                                                                                                                                     600 W/m 2
                                                     Open circuit voltage     Voc             22.9V
                                                                                                                                                     400 W/m 2
                                                     Short circuit current    Isc             1.54A                               0.5

                                                                                                                                                     200 W/m 2

                                                                                                                                            Cell temperature 25°C

                                                     Minimum peak power       Pmpp min         18W                                 0
                                                                                                                                        0             5               10            15        20       25

                                                                                                                                                                      Module Voltage (V)

                                                     The abbreviation ‘mpp’ stands for Maximum
                                                     Power Point.                                      The I/V graph below shows the typical
                                                                                                       performance of the solar module at various
                                                     Typical data at Nominal Operating                 cell temperatures.
                                                     Cell Temperature (NOCT) conditions
                                                     NOCT: 800W/m2 irradiance level, AM 1.5
                                                     spectrum, wind velocity 1m/s, Tamb 20°C

                                                     Temperature              TNOCT            47°C
                                                                                                        Module Current (A)


                                                     Mpp power                Pmpp             14W                                                                  40°C

                                                     Mpp voltage              Vmpp            13.7V                                                                 50°C
                                                     Open circuit voltage     Voc             20.2V                                             Irradiance : 1000 W/m 2

                                                     Short circuit current    Isc              1.2A                               0
                                                                                                                                        0             5              10              15       20        25

                                                                                                                                                                      Module Voltage (V)

                                                     Typical data at low irradiance

    35                      285                      The relative reduction of module efficiency
                                                     at an irradiance of 200W/m2 in relation to        References in this Product Information Sheet to
                                                                                                       'Shell Solar' are to companies and other organisational
                                                     1000W/m2 both at 25°C cell temperature            entities within the Royal Dutch/Shell Group of Companies
Outside dimensions (mm)              748 x 328       and AM 1.5 spectrum is 5%.                        that are engaged in the photovoltaic solar energy
                                                                                                       business. Shell Solar was set up in 1999 and has
Thickness (inc. junction box) (mm)             35    Temperature coefficients                          its principal office in Amsterdam, the Netherlands.

Thickness (exc. junction box) (mm)             35
                                                     α Pmpp                               – 0.6 %/°C        For further information on all Shell Solar products
Weight (kg)                                    4.1                                                          contact:
                                                     α Vmpp                              –100 mV/°C
                                                                                                            Shell Solar
For installation instructions, please refer to       α Isc                               +0.2 mA/°C         Customer Service Centre
the Installation Manual which is available           α Voc                               –100 mV/°C         P.O.Box 849 5700 AV Helmond The Netherlands
                                                                                                            Tel +31 492-508 751 Fax +31 492-508 700
from Shell Solar.
                                                     Maximum system voltage: 25 Vdc                         Web

                                                                                                       V2/ST20/07/02                                                                       SAP ref: 400364

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