主要用途：初始/最终功率稳定化(光衰)、额定工作温度测量(NOCT或NMOT)、NOCT及低辐照度下的性能测试、室外曝露试验、热斑耐久试验、温度系数的测量、温度试验(温升试验)、光老练、电池预衰减、I-V循检...
一、应用于IEC 61215、IEC 61646标准：
1．热斑耐久试验
2．温度系数的测量
3．电池或组件标称工作温度的测量(NOCT或NMOT)
4．低辐照度下的性能
5．室外曝露试验
6．薄膜组件光老练
二、应用于UL 1703、IEC 61730-2标准：
1．电压、电流、功率测试
2．温度试验
三、组件及方阵测试支架：
1．双轴太阳跟踪器
2．热斑耐久、温度系数测试架
3．NOCT、温度试验测试架
4．曝晒、光衰支架
Module Outdoor Measurement System
Perform standards: IEC 61215-2:2016, IEC 61646:2008, IEC 61730-2:2016, UL 1703-2015, IEC 61853-2…
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 frames:
1. Single axis solar tracker:
Can fixed 8 pcs module of 2×1m (extensible)
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…
2. Double axis solar tracker:
Mounting: 8 pcs modules of 2×1m (extensible)
Tracking accuracy:0.3°
Tracking angle range: The pitch direction -10°~75° and
the horizontal direction -120°~120°
System protection wind speed: 90kw/hr
System wind resistance limits: 170kw/hr
Tracking principle: automatic light control tracking or based on
GPS timing tracking
With automatic tracking and reset, manual control, group control, wind speed protection, night return...
3. NOCT and temperature test frame:
NOCT test modules shall be positioned so that they are tilted at 37 or 45°±5° to the horizontal with the front side pointed toward the equator. The bottom edge of the test modules shall be 0.6 m or more above the local horizontal plane or ground level.
Wind speed and wind direction Instrument installed approximately 0.7 m above the top of the modules and 1.2 m to the east or west.
Temperature test for IEC 61730 & UL 1703 also in here carry out. We provide 19mm thick wood (current standard) or a thermal insulation with a k factor ≤0.24W/m2K (IEC 61730 Ed.2) black painted wooden platform, The platform is to extend at least 0.6m beyond the module on all sides, can fast loading.
Electronic load and I-V measurement system:
Temperature measurement precision: ±0.5°C
Irradiance measurement precision: ±2%@1000W/m2
Voltage measurement precision: 0.1V
Current measurement accuracy: 0.01A
Single module max. test power: 750W (Max. voltage 100V, 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 curve
Temperature and irradiance correction reference IEC 60904.1~10.
Temperature test:
16-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)
Wood: 19mm±5% thick, 5.00m×3.62m
| IEC 61730-2:2016 | UL 1703-2015 |
| A black painted platform constructed of suitable wooden plate which has sufficient mechanical strength to avoid warping under temperature influence. Behind the board a thermal insulation with a k factor of max 0.24 W/m2K shall be placed. | A module or panel intended for direct mounting on a roof or wall surface is to be mounted on a platform constructed of wood, pressed wood, or plywood, 19mm thick. The platform is to be painted flat black on the side facing the test sample. The platform is to extend at least 0.6m beyond the module or panel on all sides. |
| A resistive load sized to operate the module in maximum power point for STC or maximum power tracking. (We provide MPPT) | Modules Open Circuit,
Modules Short Circuit,
Center Cell Shaded 50% and Modules Short Circuit |
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 test: 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 60904-10 measurement and amendment I-V measurement
Outdoor exposure test:
Irradiance cumulative dose: 60KWh·m-2 with 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 (extensible).
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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