Painpoints
Traditional inspection methods are costly and time-consuming due to the distance of transmission lines.
The complexity of the infrastructure, with numerous inspection points, results in a high manual inspection workload and difficulties in ensuring consistent quality.
Maintaining inspection records is difficult, as manual inspections cannot be easily digitized, archived, or traced.
Environmental factors can render some areas inaccessible or hazardous, posing risks to inspection personnel.
Advantages
Extend operating range, frequency, and efficiency with long-distance and automated drone inspections.
Enhance inspection quality with close-range, accurate, and repeatable data capture processes.
Easily store and manage drone imagery and digital models to monitor changes and prevent failures.
Ensure personnel safety while maintaining high inspection quality using aerial visual and thermal imagery of critical components.
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.
Workflow
1 Mission Planning:
– Plan inspection route by using Waypoint Mission or fly manually while using the Live Mission Recording feature for future replicable missions.
2 Data Collection:
– Upon arrival at the takeoff point, quickly deploy the drone and initiate the previously saved inspection route. The drone will automatically follow the flight route.
3 Data Analysis:
– Analyze the inspection photos manually to identify and locate any defects.
– Integrate inspection data with existing asset management systems for further analysis, trend tracking, and maintenance planning.
4 Reporting and Documentation:
– Generate comprehensive inspection reports that include visual and thermal imagery, defect identification, and recommendations for corrective actions.
Drone Platform
Matrice 350 RTK
Weight: Approx. 6.47 kg (with single downward gimbal and two TB65 batteries)
Max Flight Time: 55 minutes
Sensing System: Six-directional sensing and positioning
Environment Adaptability: IP55; max service ceiling above sea level 7,000 m (with 1676 propellers, without other payload); max wind resistance 12 m/s
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
DJI Terra
Modeling and flight mission plan
Workflow
1 Powerline Modeling Mission:
– Use the Matrice 350 RTK equipped with the Zenmuse L2 and fly directly over the powerline using the Powerline Follow feature. The Zenmuse L2 sensor can detect and identify power lines even in complex environments with vegetation or other obstacles.
– Once the power line is identified, the drone will autonomously plan a flight path along the line, maintaining a safe distance and adjusting its altitude as needed.
2 Model Processing:
– Import the data into DJI Terra to generate the LiDAR point cloud and plan the transmission corridor inspection route.
3 Inspection Mission:
– Import the route task into the Matrice 350 RTK and issue the inspection command with a single click.
4 Data Analysis:
– Analyze the inspection photos manually or use model detection to identify defects in the transmission corridor.
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
Workflow
1 Mission Planning:
– Plan inspection route by using Waypoint Mission or fly manually while using the Live Mission Recording feature for future replicable missions.
2 Data Collection:
– Upon arrival at the takeoff point, quickly deploy the drone and initiate the previously saved inspection route. The drone will automatically follow the flight route.
3 Data Analysis:
– Analyze the inspection photos manually to identify and locate any defects. Integrate inspection data with existing asset management systems for further analysis, trend tracking, and maintenance planning.
4 Reporting and Documentation:
– Generate comprehensive inspection reports that include visual and thermal imagery, defect identification, and recommendations for corrective actions.
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 or preferred third-party software to plan inspection routes based on high-definition models of transmission lines and towers.
– Or import previously saved inspection flight routes to DJI FlightHub 2 via the Pilot 2 app using the Live Mission Recording feature.
2 Data Collection:
– Using DJI FlightHub 2 select the preferred dock and scheduled inspection mission.
– The DJI Matrice 4D series drones execute inspection tasks as planned, and the captured results are automatically uploaded to DJI FlightHub 2 cloud platform.
3 Data Analysis:
– Analyze the inspection photos manually or export to a third-party model detection software to identify defects or deterioration on the components.
Drone Platform
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 Data Collection:
– Plan a routine 2D map mission for regular orthomosaic data acquisition.
2 Data Processing:
– Import collected data into your preferred third-party software for in-depth crop analysis.
3 Data Analysis:
– Use the captured images to train specialized models for efficient disease detection.
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