Tethered Drone Custom Power System A tethered drone custom power system is designed to provide continuous, reliable power to unmanned aerial vehicles (UAVs) through a physical tether, enabling extended flight durations and stable operations. Unlike battery-powered drones, which are limited by battery life, tethered systems allow drones to remain airborne for hours or even days, making them ideal for persistent surveillance, communication relays, and other long-endurance applications. Key Components 1. Power Supply Unit – The ground-based power source supplies electricity through the tether, eliminating the need for onboard batteries. This can be an AC/DC converter, generator, or renewable energy system (e.g., solar panels). 2. Tether Cable – A lightweight, high-strength cable transmits power and data between the drone and the ground station. The tether must balance durability, flexibility, and minimal weight to avoid restricting flight performance. 3. Voltage Regulation & Power Management – A custom power management system ensures stable voltage delivery, preventing power surges or drops that could damage the drone’s electronics. 4. Drone Interface – The onboard power receiver converts transmitted power into usable energy for propulsion, avionics, and payloads. Advantages - Unlimited Flight Time – Continuous power eliminates battery swaps, enabling 24/7 operations. - Enhanced Stability – The tether provides a physical link, reducing susceptibility to wind or signal interference. - Real-Time Data Transmission – High-bandwidth data transfer supports live video feeds and sensor data without latency. - Redundancy & Safety – In case of motor failure, the tether can act as a failsafe to recover the drone. Applications - Security & Surveillance – Persistent monitoring for border patrol, event security, or critical infrastructure. - Telecommunications – Acting as a temporary cell tower or Wi-Fi hotspot in disaster zones. - Industrial Inspections – Long-duration inspections of pipelines, power lines, or wind turbines. Design Considerations - Tether Length & Weight – Must balance power efficiency with operational altitude. - Environmental Resistance – The system should withstand weather conditions like rain, wind, and UV exposure. - Payload Capacity – The drone must carry additional weight from the tether while maintaining flight stability. A well-designed tethered drone power system significantly expands UAV capabilities, offering unmatched endurance and reliability for mission-critical tasks.