1. Significance of Photovoltaic IV Testing
Photovoltaic IV testing is a critical metric for evaluating the performance of solar cells. It primarily involves measuring the current-voltage (IV) characteristic curve of a solar cell under varying light and temperature conditions to assess key parameters such as conversion efficiency and power output. Through photovoltaic IV testing, we can accurately understand the performance characteristics of solar cells, providing essential reference data for the design, optimization, and performance monitoring of photovoltaic systems.
2. Principles of Photovoltaic IV Testing
The principles of photovoltaic IV testing are grounded in the photoelectric effect and circuit analysis. The photoelectric effect refers to the process where photon energy is absorbed by the semiconductor material in a solar cell, converting it into electron energy. This causes electrons to migrate and flow within the material, generating an electric current. During IV testing, leveraging the photoelectric effect, a specific voltage is applied to place the cell in forward and reverse bias states, enabling the measurement of its output current and voltage.
3. Our IV Tester -- YHMT-A+A+A+
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Lamp Spectrum |
In line with IEC60904-9:(A+ Grade) |
Light Intensity |
1000W/m² (200W/m²-1200W/m²) |
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Light intensity non-uniformity |
≤±2%[A] |
Instability degree of irradiation |
≤±1%[A] |
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Test results consistency |
≤±0.5%[A] |
Test error of electrical properties |
≤1% |
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G.weight |
400KG |
Size |
2.64*1.48*1.2m |
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Single flash time |
10ms(10-100ms) |
Effective Test Range |
2500mm*1400mm |
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Measuring Voltage |
0-100V (Resolution 1mV) |
Measuring current |
200mA-20A (Resolution 1mA) |
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Environmental temperature |
15℃~30℃ |
Power |
220V/50Hz |
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Mainly used in automatic test and result record of solar mono-crystalline silicon, poly-crystalline silicon solar cell module and thin-film module. |
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Our Services:
About Us:
Yoha Solar is a high-tech enterprise dedicated to the research, development, manufacturing, sales, and after-sales service of serial photoelectric automation equipment.
15+ Years Engaged In Solar
300+ Customers Worldwide
Our company primarily serves the solar photovoltaic industry and holds its own import and export rights. We have developed a range of independent R&D equipment.
Main Machinery:Fiber Laser Cutting Machine
Solar cell sorting Machine
Solar Cell IV tester
EL defect tester
EL and AOI Appearance Tester
Solar Panel Production Line
Other Auxiliary Machines