UAV-based Electroluminescence (EL) Testing System
SC-EL-Drone
Product introduction
UAV EL Inspection SystemSC-EL-Drone
Mainly used for EL internal defect inspection of PV array modules in solar power plants. This system can complete PV power plant quality inspection efficiently and rapidly, and supports switching between photo mode and video mode for third-party operation and maintenance (O&M) quality inspection. Equipped with full auto-focus and switchable multi-mode inspection functions, it is the preferred equipment for power plant inspection and O&M testing. The SC-EL-Drone adopts the DJI Matrice 400 UAV, with a single-flight endurance of up to 55 minutes, providing a stable, reliable and high-performance flight platform for UAV applications in the third-party sector. It can finish EL microcrack inspection of MW-scale PV power plants within 3 hours, freeing staff from tedious and repetitive low-value labor, greatly improving work efficiency. By leveraging UAV technology, it realizes the automation process of power-related operations, effectively reducing O&M costs. Meanwhile, it can replace manual labor for operations in high-altitude and high-risk environments, making EL inspection safer.
Vision Potential · UAV EL Inspection System
UAV EL Inspection System SC-EL-Drone is mainly used for EL inspection of photovoltaic power plants and solar panels. It is powerful, portable, and operates with high efficiency, safety, and reliability. It can detect various defects such as cracks, broken grid, fragments, broken pieces, sintering, cold solder joints, over-etching, low-efficiency cells, mixed grades, etc. The DJI flight platform can be purchased, rented, or provided by the user.
Device image 1
Device image 2Applications
Power plant flight inspection
Incoming module inspection01
Power Plant Module Inspection
Meets the inspection needs of different types of power plants such as centralized and distributed. It can perform comprehensive inspection in complex environments such as deserts, plateaus, roofs, hills, and at different times such as sunny, cloudy, and night, providing accurate basis for power plant maintenance.
02
Incoming Module Inspection
Comprehensive inspection before warehousing of various photovoltaic incoming modules purchased by enterprises, quickly identifying defects such as cracks, broken grid, fragments, etc., and promptly eliminating unqualified products, avoiding subsequent safety hazards or performance non-compliance caused by incoming material quality.
Functions
①
Wide Detection Range
Customizable endurance, programmable flight path.
②
Multi-type Module Inspection
Includes severely damaged modules that cannot be powered on.
③
Multi-scenario Power Plant Inspection
Mountains, plateaus, roofs, greenhouses, etc.
④
Customizable Software Functions
Meet personalized needs.
⑤
Fully Automatic Defect Detection
Automatic defect recognition.
⑥
Multiple Detection Modes
Can adapt to various panel types.
Technical Advantages
A
Wider Detection Range
Covers severely damaged modules that cannot be powered on, compatible with monocrystalline modules (PREC, TOPCON, BC, N-type, etc.) and polycrystalline modules.
B
Convenient and Efficient Operation
Significantly reduces costs of equipment transportation, deployment, inspection environment setup, and labor, improving economy and efficiency.
C
Safety Assurance
UAV flight inspection eliminates the need for personnel to traverse complex terrain.
D
Terrain-Independent Safety
Programmable flight path ensures high detection accuracy.
Technical Specifications
Parameter Specification Model SC-EL-Drone Detection Module Vision Potential EL Payload Detection Cycle 1ms~10000ms (1ms at night, 10000ms for polycrystalline under high irradiance during the day,<1000ms for others) Detectable Defect Types Cracks, broken grid, fragments, broken pieces, sintering, cold solder, over-etching, low-efficiency cells, mixed grades Control Method Wireless Detection Accuracy Crack width > 50μm Imaging Accuracy > 0.1mm/pixel Focus Mode Full autofocus Detection Time Below 400 irradiance Flight Platform DJI Matrice 400 industrial drone Wireless Transmission Module High-speed wireless transmission module Constant Current 0~15A adjustable, accuracy ±1% Constant Voltage 0~60V adjustable, accuracy ±1% Power 700W Current Stabilization Module Constant current control, current/voltage stable regardless of battery level Power Control 20m wireless/wired remote control Number of Modules Inspected per Charge 800 at night, 100~600 during the day (100 under high irradiance) Current Adjustment Adaptive Power Protection Reverse current, overload, leakage, electrostatic, overheat protection Computer Tablet PC, integrated computer Data Storage 100,000 images Inspection Objects Incoming modules before installation / power plant arrival inspection; installed modules (distributed/centralized power plants); monocrystalline modules (PREC, TOPCON, BC, N-type, etc.); polycrystalline modules Power Plant Environment Desert, plateau, roof, hills, slopes, factory buildings, snow fields, greenhouses, agrivoltaic, fishing-solar, wind-solar hybrid, etc. Device Weight 5kg Operating Temperature -30℃~50℃ Relative Humidity ≤85%RH Application Cases
Scene Description Scene Image Daylight EL/PL Image Centralized power plant, sunny, 26℃, 10:00, altitude 3000 (BC panel, glass surface broken) Scene 1 Daylight EL 1 Centralized power plant, cloudy, 22℃, 15:00, altitude 3000 (TOPCON panel) Scene 2 Daylight EL 2 Centralized power plant roof, direct sunlight, 25℃, 13:00, altitude 3000 (N-type panel, two strings failed, cannot be powered for EL) Scene 3 Daylight PL 3 Distributed power plant rooftop, direct sunlight, 25℃, 13:00, altitude 3000 Scene 4 Daylight EL 4 Distributed power plant rooftop, direct sunlight, 31℃, 17:00, altitude 100 (shooting with sunlight, no power needed) Scene 5 Daylight PL 5 Outdoor incoming inspection, cloudy light rain, 18℃, 15:00, altitude 400 Scene 6 EL 6 Indoor laboratory module inspection, indoor simulated sunlight (irradiance 500), 10℃, 10:00, altitude 50 Scene 7 EL 7 Core Advantages
All-weather inspection: can operate at night, cloudy, and sunny, no need to wait for specific time periods.
Strong light adaptability: accurate detection even under strong daylight.
Wide detection range: suitable for large-scale wide-area solar power plants.
Convenient operation: DEL module is detachable and freely mountable, greatly reducing inspection costs.
Safety assurance: avoids risks of nighttime field operations.
UAV EL Monitoring System · All-weather Power Plant Inspection
Sunny/Cloudy/Night · Desert/Plateau/Roof · Solar Module Array
Cracks/Broken Grid/Fragments/Cold Solder No Night Work · Safe & Efficient
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