BR-PV-OMS Module Outdoor Measurement System
Implementation of standards:
IEC 61215:2005 & Ed.3, IEC 61646:2008, IEC 61730-2:2004 & Ed.2, UL 1703-2008...
Precondition, Maximum power determination, Measurement of temperature coefficients, Measurement of temperature coefficients, Performance at low irradiance, Outdoor exposure test, Hot-spot endurance test, Light-soaking, Temperature test…
Modules mounting and test frame:
Single axis solar tracker:
Can fixed 8 pcs module of 2×1m (can xtensible)
According to the module size adjustment
Comparison double axis solar tracker, mounting convenienter，More suitable for testing.
Tracking principle: Based on GPS timing tracking
System life expectancy for more than 25 years
For light-soaking, outdoor exposure, hot-spot endurance test… Modules mounting and test frame:
Electronic load and I-V measurement system:
Analog quantity collection channel input signal: voltage 0~5V, 0~10V or current 4~20mA (with all the signal amplification A/D function)
Analog quantity collection frequency: 10ms
Analog quantity collection precision: 12 bit
Environment temperature and module temperature measurement precision: ±0.5°C
Irradiance measurement precision: ±2%@1000W/m2
Wind speed measurement range: over 0.25m/s
Voltage measurement precision: 0.05%F.S.
Current measurement accuracy: 0.1%F.S.
Single module max. test power: 400W (Max. voltage 180V, max. current 30A) (can according to the demand for expansion system)
I-V measuremen: Isc, Voc, Pm, Imp, Vmp, FF, η, Rs, Rp
Automatically generating and storing I-V-P curve
Temperature and irradiance correction reference IEC 60904.1~10。
Temperature test:
Multi channel temperature sensor: Uncertainty ±1°C or better, main test Point:
Front glass above center cell, Backsheet behind center cell, Ambient air within J-box, J-box inside surface, Back face sheet beneath J-box, Module output leads, Sealing compound around lamination (on the corner), Sealing compound inside junction box, Diode #1~6 case, Frame, Ambient (Absolute)
Automated calculation 40°C and 1000W·m-2 normalised temperature.
Testing the temperature of different position in a module, and then judgeing the module Ok or False.
Voltage,current,power tes: according to IEC 60904 calibrate test result to STC by standard module.
Precondition:
Irradiance cumulative dose: 5~5.5KWh·m-2, open circuit
NOCT Test:
Mechanical Wind/ Direction Sensor: Alternate
Software features: automated data collection and storage, not counting the invalid data, automatic calculation of junction temperature.
Automatic fitting temperature (TJ–Tamb) - irradiance curve, based on standard deviation selected out of 10 effective data, and optimize the curve.
Irradiance, temperature, wind speed and direction automatic data collection, without invalid data, automatic calculation cell initial and final NOCT temperature.
Measurement of temperature coefficients:
Automatic calculation component 4 points average temperature (IEC 61215 Ed.3)
Temperature rising process, automatic fitting curve, automatic calculation of relative and absolute temperature coefficient.
Performance at low irradiance:
Irradiance, temperature according to the IEC 60904-1~10 measurement and amendment
I-V measurement
Outdoor exposure test:
Irradiance cumulative dose: 60KWh·m-2
Maximum power tracking (MPPT)
Light-Soaking:
Valid data collection (1h): 600~1000W·m-2@50±10°C (module temperature)
Irradiance cumulative dose: 43KWh·m-2
software just tells users if test is complete
Hot-spot endurance test:
Valid data collection (1h): 900~1100W·m-2@50±10°C (module temperature)
Current measurement in different shadowing area.
Current measurement integrated in the system, automatic identification and screening effective Isc (Crystalline silicon cell for Imp and thin-film cell 99% Imp)
Cells shaded plates can satisfy the 0~100% within 5% increasing or decreasing.
Expand the function is applied to IEC 61829:1995, IEC 62124:2004 etc.:
Array I-V measurement: 16 modules or more I-V measurement
Grid-connected power measurement: automatic recording years power and meteorological data
Off-grid control system test: Reference IEC 62124:2004…
Multi-channel I-V curve measurement and remote monitoring:
Through a channel exchange, can simultaneously test 16 modules (can extended ).
I-V measurement replay each module I-V curve, P-V curve, include Isc, Voc, Pm, Im, Vm, FF, η, irradiance, temperature etc. Automatically save data, all-weather test.
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注：该产品未在中华人民共和国食品药品监督管理部门申请医疗器械注册和备案，不可用于临床诊断或治疗等相关用途
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