A sudden failure of electrical facilities occurred in an overseas area where electricity consumption was at its peak. Sudden power cuts at night seriously affected the normal life of the residents.

1. Insufficient luminosity of general lighting equipment; 2. Long maintenance time for power facilities and insufficient illumination time for ordinary equipment; 3. The lighting equipment at the ground module provides bottom-up illumination, which makes it difficult to detect the high places of the power facilities.

1. The tethered drone gets rid of the endurance limitation, realises long-time stationing in the air, and provides stable light source support for on-site emergency repair; 2、Drone lighting and ground lighting complement each other, providing long time and strong lighting guarantee for repairers; 3、Lighting drone can be on call , adjusting the angle and intensity of the light source at any time, and responding to the lighting demand quickly.