Painpoints
The scale of photovoltaic projects is expanding rapidly, making it challenging to allocate operation and maintenance personnel promptly.
The process of collecting and analyzing data from solar inspections can be laborious and complex.
The efficiency of photovoltaic panels can be significantly affected and diminished by exposure to factors such as dust, dirt, or other contaminants.
Advantages
Deploy resources more efficiently and minimize personnel risk by reducing time spent in the field and pinpointing faulty components with accuracy.
Integrate drone data collection with advanced detection algorithms to streamline fault identification and enhance inspection efficiency.
Merge visual and thermal data to accurately assess the condition of components and make well-informed maintenance decisions.
Drone Platform
DJI Matrice 4D
Weight: 1850 g
Max Flight Time: 54 minutes
Environment Adaptability: IP55 rating, max takeoff altitude 6500 m, max wind speed resistance 12 m/s
Sensing System: Omnidirectional binocular vision system, supplemented with a 3D infrared sensor at the bottom of the aircraft
Mechanical Shutter Speed: 2–1/2000 s, minimum photo interval 0.5 s
Wide-Angle Camera: 4/3-inch CMOS, 20MP effective pixels
Medium Tele Camera: 1/1.3-inch CMOS, 48MP effective pixels
Telephoto Camera: 1/1.5-inch CMOS, 48MP effective pixels
Laser Rangefinding: 1800 m measurement range (1 Hz) @20% reflectivity target
DJI Dock 3
Weight: 55 kg (without the drone)
Size: 1760×745×485 mm (L×W×H, dock cover opened)
Environment Adaptability: -30° to 50° C (-22° to 122° F) operating temperature, IP56 rating, maximum operating altitude 4500 m
Max Operating Radius: 10 km
Charging Time: 27 minutes
Security Camera (Internal) Resolution: 1920×1080
Payload and Software
DJI FlightHub 2
Drone and dock’s cloud management system.
Workflow
1 Mission Planning:
– Use DJI FlightHub 2 to plan inspection flight routes based on high-definition 3D model of the solar farm.
2 Data Collection:
– Using DJI FlightHub 2, select the preferred dock and scheduled inspection mission.
– The Matrice 4TD will execute the inspection tasks according to the plan, and uploads the captured data to DJI FlightHub 2.
3 Data Analysis:
– Analyze the images to detect faulty elements or required maintenance work by using the DJI Thermal Analysis Tool. Transfer the collected data to a third-party software to use automated detection algorithms.
Drone Platform
Matrice 30T
Weight (incl. two batteries): 3770 ± 10 g
Max Flight Time: 41 min
Sensing System: Six-directional sensing and positioning
Environment Adaptability: Max service ceiling above sea level (without other payload) 7,000 m (with 1676 propellers); max wind resistance 12 m/s
Zoom Camera: 1/2-inch CMOS, effective pixels: 48MP
Payload and Software
DJI Pilot 2
Ground control.
DJI Thermal Analysis Tool 3
By identifying the temperature information of critical areas of the target, the software can be used to analyze objects across many industrial applications.
Workflow
1 Mission Planning:
– Plan the drone flight routes throughout the solar farm or the area to be inspected using the DJI Pilot 2 app.
2 Data Collection:
– Upon arrival at the takeoff point, deploy the drone and initiate the previously saved inspection mission. The drone will automatically follow the flight route.
3 Data Analysis:
– Analyze the images to identify faulty elements or required maintenance work by using the DJI Thermal Analysis Tool. Transfer the data to a third-party software to identify faults using automated dectection algorithms.
Drone Platform
DJI Matrice 4T
Weight: 1219 g (with propellers)
Max Flight Time (without wind): 49 minutes
Environment Adaptability: Max takeoff altitude 6000 m, max wind speed resistance 12 m/s
Sensing System: Omnidirectional binocular vision system, supplemented with a 3D infrared sensor at the bottom of the aircraft
Wide-Angle Camera: 1/1.3-inch CMOS, 48MP effective pixels (Matrice 4T)
Medium Tele Camera: 1/1.3-inch CMOS, 48MP effective pixels
Telephoto Camera: 1/1.5-inch CMOS, 48MP effective pixels
Infrared Thermal Camera: 1280 × 1024@30fps (Super Resolution enabled, Night Mode not activated)
Laser Rangefinding: 1800 m measurement range (1 Hz) @ 20% reflectivity target
Payload and Software
DJI Pilot 2
Ground control.
DJI Thermal Analysis Tool 3
By identifying the temperature information of critical areas of the target, the software can be used to analyze objects across many industrial applications.
Workflow
1 Mission Planning:
– Plan the drone flight routes throughout the solar farm or the area to be inspected using the DJI Pilot 2 app.
2 Data Collection:
– Upon arrival at the takeoff point, deploy the drone and initiate the previously saved inspection mission. The drone will automatically follow the flight route.
3 Data Analysis:
– Analyze the images to identify faulty elements or required maintenance work by using the DJI Thermal Analysis Tool. Transfer the data to a third-party software to identify faults using automated dectection algorithms.
Drone Platform
DJI Matrice 400
Weight: 9740±40 g (with batteries)
Max Takeoff Weight: 15.8 kg
Max Payload: 6 kg
Max Flight Time: 59 minutes
Max Horizontal Speed: 25 m/s
Sensing System: Omnidirectional binocular vision system (surround view provided by full-color fisheye vision sensors), horizontal rotating LiDAR, upper LiDAR, downward 3D infrared range sensor, and six-direction mmWave radar
Environment Adaptability: IP55 rating, max takeoff altitude 7000 m, operating temperature -20° to 50° C (-4° to 122° F)
Payload Compatibility: Zenmuse H30 Series, Zenmuse L2, Zenmuse P1, Zenmuse V1, Zenmuse S1, and third-party payloads
Payload and Software
Zenmuse H30T
Wide-Angle RGB Camera: 1/1.3-inch CMOS, 48MP effective pixels
Zoom RGB Camera: 1/1.8-inch CMOS, 40MP effective pixels, 34× hybrid optical zoom
Infrared Thermal Camera: 1280×1024@30fps
NIR Auxiliary Light Illumination Range: Approx. 8m diameter circle @ 100 m
Laser Range Finder: Max measurement range 3000 m
Zenmuse L2
Integrates frame LiDAR, a self-developed high-accuracy IMU system, and a 4/3 CMOS RGB mapping camera.
Coverage: 2.5 km² per flight
Detection Range: 250 m @ 10 % reflectivity, 100 klx
Effective Point Cloud Rate: 240 000 pts/s
Returns: Supports 5 Returns
Solution: Turnkey Solution
DJI Terra
Modeling and flight mission plan
Workflow
1 Thermal Inspection Mission:
– Using the Matrice 400 equipped with the Zenmuse H30T payload, manually fly to capture thermal readings of the key components of the solar farm. Use the Live Mission Recording feature to easily repeat the same missions in the future.
2 Data Analysis:
– Analyze the inspection photos manually or use model detection to identify defects in the transmission corridor.
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