Power Line Inspection
- Time of issue:2018-01-04 15:24
Power Line Inspection
(Summary description)Drone technology is increasingly mature with the economy developing and technology progressing. Using the drone for power line inspection not only decreases the failure rate because of human work, cut
- Time of issue:2018-01-04 15:24
The fast growing economy brings more super long distance power lines with ultrahigh pressure. Widely spotted at remote city towns, located at complex terrains, power lines and towers are longtime exposed to outside adverse natural conditions. Continuous mechanical strain, lighting flashover, material aging and human influence will cause tower collapse, broken strand, abrasion, stress and so on, which requires timely repair or replacement. Still, unexpected situations must be timely settled, such as electrical insulator is damaged by thunderstruck, power line discharge happens because of tree growth, the tower is stolen and so on. Therefore, it is necessary to make regular inspection on power lines for a fast learning and mastering about the power line operation situation, its surrounding environment and the change of power line protection area, in order to timely discover and prevent accidents, and ensure a safety power supply.
Traditional human inspection requires longer time, higher cost with bigger difficulty and more risks because of heavy work and arduous conditions, especially the inspection in mountainous areas and across the great river, the night inspection and the inspection under natural disaster like ice disaster, flood, earthquake and so on.
Drone technology is increasingly mature with the economy developing and technology progressing. Using the drone for power line inspection not only decreases the failure rate because of human work, cuts down the power enterprise cost budget greatly, but also improves power line inspection work efficiency.
UAV Typical Use Case in Power Industry
Besides the regular inspection and special inspection, drone can be used for power grid post-disaster fault inspection. When the road is blocked by disaster with human inspection inaccessible, the drone plays an irreplaceable role in power line inspection by offering accurate tower and failure points position with wider view angle, avoiding blind zone. Drone power line maintenance and inspection is 40 times higher efficient than traditional manual patrol by enabling many work fast finished under fully charged situation. During the inspection process, the foreign matters on the power line like the kite, balloon, plastic bags and so on can be cleared out by the drone as well.
During the line construction process, the long line corridor and complex terrain like the river valley and dense vegetation brings great inconvenience for the line construction project. The conflict between ecological environment protection and stringing construction can be easily solved by using the drone to release a guide rope during the erection. The drone first fly along the route, releasing a piece of robust but light guide rope to every towers. Then the light guide rope can be used to pull subsequent guide rope until a triple rope has been pulled through well with the wires erection. In this way, the high strength of manual release guide rope and the difficult landing of powered parachute releasing guide rope can be avoided easily. What is more, the trees alongside the route will be less cut to maximize the natural ecology protection.
3.Line route plane
UAV surveying system has many advantages of real time, low cost, fast response, high flexibility and so on. Compared with the common aerial remote sensing and satellite remote sensing, its advantages are more obvious. It is able to acquire optical images, terrain images, transmission line image at low altitude, which can not be replaced by other surveying and monitoring methods. It is required to make detailed information gathering and surveying aimed at plan region when make corridor plan for all kinds of transmission lines. Drone surveying system is the best choice, which not only guarantees the high efficiency of acquiring data, but also reduces the impact on environment caused by information gathering and surveying. An effective analysis of the data gathered by the drone enables a complete consideration of all factors, making full use of the limited resources, forging a more reasonable region plan and route direction, optimizing the transmission lines path, and bring down transmission lines construction cost effectively.
Three big advantages of UAV power line inspection surpass human patrol
1.High environment stability and good accuracy: especially in power grind emergency and abnormal climate conditions, UAV power line patrol makes up the shortcoming of inspectors lack of favorable transportation, low patrol accuracy of normal device or the eyes, low efficiency and so on.
2.40 times higher efficient than traditional human patrol. Besides reducing the labor intensity and cost, drone for regular line inspection improves the electricity maintenance and checking speed with high efficiency, enabling many work fast finished under fully charged condition, ensuring the electricity safety.
3.Quick patrol speed, fast response and timely defection on defects and so on. With full view 360 degree for patrol, UAV power line inspection makes up the visual blind of human patrol, offers an accurate information, avoid accident and huge property loss.
UAV power line inspection goes well under fully charged condition, confirms the electrical safety and improves 40 times of patrol efficiency by overcoming the road barriers and abnormal climate difficulties, ensuring the fluent patrol work. There exists huge demand for power grid company. With UAV technology continuous improving, UAV power line inspection will replace manual patrol gradually.
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