▲156 mm x 156 mm illumination area.
▲Principle of module spectral response measurement.
a. Measurement wavelength range: 300-1200 nm.
b. 150 W Xenon lamp.
c. Xe lamp instability< 0.5 %.
a. 1/8m Czemy-Turner multi-grating monochromator .
b. Wavelength extending to 1800 nm. (Option)
c. Spectral resolution: 0.2 nm. (with 1200g/mm grating)
d. Automatic grating-change by software.
e. Low stray light design < 10-5
|Automatic Filter wheel.||
a. 4 filters, max 6 pieces capability.
b. Stray-light elimination.
a. High-efficiency integrated optics system.
b. Monochromatic light illumination area ≥ 156 X 156 mm2
c. Monochromatic light uniformity ≥ 95 % ( 156 X 156 mm2)
a. Frequency: 4-200 Hz (adjustable).
a. Dual channels DSP Lock-in-Amplifier .
b. 5 Amps/5 V DC capability, which is applied to the cell to set the voltage across the cell to the short-circuit condition. (less than 20 mV or 5 % of Voc)
c. Extend Max filtering current capability to 10 Amp). (option)
d. Extend max IV scan to 10 Amp. (option)
|Bias Light module||
b. Illumination area ≧156 x 156 mm2
c. Intensity: 0~ 500 W/m2 (up to 1000 W/m2)
d. Uniformity ≧ ± 90 % ( 156 x 156 mm2)
b. Illumination area is 2 m x 0.3 m (adjustable to full size of PV module).
c. Intensity adjustable 0~0.3 sun (up to 1 sun by option).
a. 6-inch mono-Si reference cell.
b. Calibration by Fraunhofer ISE.
d. Si detector 300-1100 nm. (option)
e. Ge detector 900-1700 nm. (option)
f. WPVS reference cell. (option)
|Sample stage system||
a. 6 inch vacuum conductive plate stage & probe .
b. Vacuum suction with vacuum pump .
c. Four Kelvin probe for contacting up to 3 bus bars .
d. TE cooling design and computer controlled for 6 inch cell .
e. Stage temperature range 25 ± 1.
f. Temperature accuracy: ± 0.5.
|Temperature control system||
a. Active fan cooling system method for PV module.
b. PT-100 temperature sensor .
c. IR temperature sensor. (option)
|Motion control system||
a. 1-axis stepping motor driver and one motion control joystick.
b. Manual control for module moving.
c. utomatically SR measurement by software settings. (option)
|I-V tracer for MSR||
a. 50 V/5 A
|EL image system||
a. 1.3 M Pixels camera
b. 8 M pixels camera (option)
a. With OS, monitor and keyboard
a. System control and data-save.
b. Auto calibration function.
c. Auto SR/EQE measurement function.
d. AM1.5G/AM1.5D short-circuit current density calculation .
e. Data save in txt files for easy import into spreadsheets .
f. Auto Vb calculation function and apply bias voltage to the cell to set the voltage across the cell to the short-circuit condition according to IEC 60904-8. (option)
g. Auto-mapping function to identify the location of module. (option)
h. Auto-mapping temperature measurement function.(option)
|Spectral Mismatch Factor calculation function||
a. Spectral mismatch factor calculation based on IEC.
b. Import other spectral data to calculate mismatch factor based on IEC 60904-7.
c. Input I-V curve to correct mismatch factor.
|Electrical Supply Requirement||
a. 3 breaks for 220-240 Vac/ 50 Hz /Single phase 50 Amps.
b. 1 breaks for 380~400 Vac/50 Hz/ 3 phase/ 20 Amps.
a. No Fuse Breaker, max 50 Amps
b. Electricity Leakage Breaker
c. 3kVA UPS system. (option)
|Installation and Training||
a. On-site installation and training of the system
|One Set of Spare Parts for one year||
a. 150 W Xe lamp (Lamp system ), x 1
b. Spot Bias light 1 set.
c. Supplemental Bias light lamp 1 set.
－ Full-size illumination for 6-inch (156 x 156 mm2) solar cell with non-uniformity≦± 5% (Fraunhofer ISE≦± 10% )
－ Measures 6-inch commercial solar cells and PV modules up to 2 m x 1.2 m in size.
－ Ability of WPVS-reference cell calibration. (Option)
－ Wavelength:300-1200 nm (extend to 1800 nm for P-mode) with spectral resolution < 10 nm.
－ The intensity of supplemental bias light³0.3 sun. (option up to 1 sun)
－ Non-destructive cell measurements and 5 A current protection for experimental modules.
－ Quickly scan than traditional small beam mapping method.
－ Automatically bias voltage function and bias capability -100 V to +100 V(Can satisfy crystalline and thin-film module).－ EL mapping, Jscanalysis and defect Characterization.
－ Compliances with IEC 60904-7 and IEC 60904-8:2014
◆ irradiance-mode operation
▲Full illumination area for 6-inch solar cell
◆ Comparison of calibration source form WPVS cell and 6inch cell from ISE
▲ The comparison results from WPVS and 6-inch cells
◆ Repeatability of6-inch solar cell
▲The non-repeatability of 6-inch solar cell was less than 0.1 %
◆ Repeatability of PV module
▲The non-repeatability of MSR was less than 1 %
◆ EL-auto mapping function and analysis
▲Quickly determination the worse cell in a PV module
◆ MSR-Series can be customized according to customer's needs.