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Lecheng Intelligence Technology (Suzhou) Co., Ltd.
Phone
+86-17751173582
The Multi-Channel Photovoltaic IV + MPPT Test System for Low-Light Conditions is a high-precision photovoltaic testing platform specifically designed for evaluating solar cell performance under low-light environments. The system is particularly suitable for thin-film photovoltaics, perovskite solar cells, and emerging photovoltaic technologies used in consumer electronics, smart homes, and wearable devices.
Unlike conventional photovoltaic testing equipment designed for standard solar irradiance conditions, this system focuses on the accurate measurement of photovoltaic devices operating under low illumination environments such as indoor lighting, diffuse light, and weak sunlight conditions. These testing scenarios are critical for evaluating photovoltaic performance in applications such as portable electronics, Internet-of-Things devices, and indoor energy harvesting systems.
The system integrates a multi-channel source meter testing platform, relay switching system, environmental monitoring modules, data acquisition hardware, and intelligent testing software into one compact testing solution. With up to 19 independent testing channels, each supporting 8-point cyclic measurement, the system significantly increases testing throughput and enables researchers to evaluate a large number of samples simultaneously.
By combining high-precision electrical measurement, real-time environmental monitoring, and automated data management, the system provides a powerful tool for photovoltaic material research, device optimization, and stability analysis under low-light conditions.
The system adopts a highly integrated multi-channel testing architecture capable of running multiple photovoltaic tests simultaneously. Each channel operates independently and supports cyclic relay switching, enabling multiple measurement points to be tested automatically.
| Parameter | Specification |
|---|---|
| Test Channels | 19 Channels (Customizable) |
| Points Per Channel | 8 Points |
| Voltage Range | 1 – 20 V |
| Current Range | 5 μA – 1 A |
| Measurement Accuracy | 0.1% |
| Maximum Channel Power | 20 W |
This design enables high-throughput screening experiments, allowing up to 152 test points to be covered in a single testing cycle.
The system provides comprehensive photovoltaic electrical testing capabilities, including IV curve measurement and MPPT tracking.
| Function | Description |
|---|---|
| Forward Scan | Standard IV characterization |
| Reverse Scan | Hysteresis evaluation |
| 9-Point Fitting | Accurate curve fitting |
| Dynamic IV Scan | Customizable scanning mode |
Each channel can be configured independently, allowing different samples to be tested under different experimental conditions.
| Algorithm | Function |
|---|---|
| Perturbation and Observation (P&O) | Standard MPPT tracking |
| Incremental Conductance (IncCond) | High-precision dynamic tracking |
| Constant Voltage Method | Stable operating point verification |
These algorithms allow the system to track the maximum power point in real time, ensuring accurate measurement even for photovoltaic devices with complex dynamic behavior.
| Parameters |
|---|
| Lux |
| Voc |
| Isc |
| Fill Factor |
| PCE |
| Pmax |
| Imax |
| Vmax |
| Series Resistance |
| Shunt Resistance |
To ensure accurate correlation between photovoltaic performance and environmental conditions, the system includes integrated environmental monitoring modules.
| Parameter | Specification |
|---|---|
| Temperature Monitoring | 4 Channels |
| Temperature Range | -40°C – 100°C |
| Temperature Accuracy | 0.1°C |
| Humidity Range | 5 – 100 RH% |
| Humidity Accuracy | ±2 RH% |
| Illuminance Range | 0 – 200,000 Lux |
| Illuminance Accuracy | ±4% |
The system continuously records environmental parameters and calculates cumulative irradiance automatically, providing reliable environmental context for photovoltaic performance analysis.
The system is equipped with a fully integrated software platform designed specifically for multi-channel photovoltaic testing. The software supports automated testing workflows, real-time monitoring, and long-term data storage.
| Function | Description |
|---|---|
| Multi-Channel IV Testing | Automated continuous scan |
| MPPT Tracking | Real-time maximum power tracking |
| Temperature Curve Monitoring | Real-time environmental monitoring |
| Data Storage | Automatic naming and timed saving |
| Remote Monitoring | Indoor computer supervision |
| Data Export | Supports further data analysis |
| Alarm System | Automatic abnormal status alert |
The system supports remote monitoring and unattended operation, making it ideal for long-term photovoltaic stability experiments.
The system supports 19 independent channels with 8 switching points per channel, enabling large numbers of photovoltaic samples to be tested simultaneously.
The platform is optimized for testing photovoltaic devices operating under low illumination conditions, providing precise electrical characterization even at very low irradiance levels.
Automated testing workflows, combined with relay switching and intelligent software control, allow the system to operate continuously without manual intervention.
Multiple MPPT tracking algorithms ensure accurate maximum power tracking for photovoltaic devices with complex electrical characteristics.
Both hardware and software adopt modular architectures, enabling customized configurations based on specific research requirements.
The Low-Light Multi-Channel PV IV+MPPT Test System is widely used in:
Perovskite solar cell research
Thin-film photovoltaic device development
Indoor photovoltaic power generation studies
Consumer electronics energy harvesting devices
Smart home photovoltaic systems
Wearable photovoltaic devices
University laboratories and photovoltaic research institutes
Industrial R&D centers for emerging photovoltaic technologies
| Category | Specification |
|---|---|
| Product Model | LL-MCTA-19T |
| Test Channels | 19 Channels |
| Points Per Channel | 8 Points |
| Voltage Range | 1–20 V |
| Current Range | 5 μA – 1 A |
| Measurement Accuracy | 0.1% |
| Maximum Channel Power | 20 W |
| Temperature Monitoring | -40 – 100°C |
| Humidity Monitoring | 5 – 100 RH% |
| Illuminance Monitoring | 0 – 200000 Lux |
| Power Supply | 220V AC / 50Hz |
40px
80px
80px
80px
Lecheng Intelligence Technology (Suzhou) Co., Ltd.
Phone
+86-17751173582