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The Heart of Drones: Power System

When introducing the superior performance of drones, it is not only dependent on whether there is a reliable flight control system. The stability and reliability of the power system composed of ESCs, motors, propellers and batteries are also an indispensable part of drones. To complete the mission of the drone, the power system needs to provide a steady stream of power, which is called the "heart" of the drone.


The power system of drones mainly has two kinds of electric motor and internal combustion engine. Currently, electric drones are widely used, which mainly include four parts: motor, ESC, propeller and battery. The perfect match between the part and the whole can ensure the stable, safe and convenient flight of the drone.


1. Motors used for drones

The motors used for drones are a converter that converts electrical energy into mechanical energy. It is composed of stator, rotor, iron core, and magnetic steel. According to the different types of motors used for drones, they are divided into brush motors and brushless motors. With the vigorous development of brushless motors, the volume of brushless motors is much smaller than that of brush motors at the same power, and the brushless motor control scheme is gradually mature and perfect. It occupies the mainstream of the market and has a wide range of applications in the motor industry.


2. ESC in drone

The ESC in drone is an electronic remote control that supplies power to the motor and controls the speed of the motor. It mainly receives and analyzes the signal from the flight control system, and controls the speed of the motor by converting direct current to specific pulse alternating current. The main control types are divided into square wave and FOC.


3. Drone propeller

The propeller in drone is a device that converts the rotational power of an engine into propulsion or lift. Generally speaking, the fewer the number of blades, the higher the efficiency.


4. Drone battery

The main function of the best drone battery is to provide power energy for the drone. The battery on the drone is generally a high-rate lithium polymer battery, which has the characteristics of high energy density, light weight, and high current resistance.


The matching degree between the various parts of the power system and the matching degree between the power system and the whole machine directly affect the efficiency and stability of the drone operation, so the power system is very important for the drone.

The Heart of Drones: Power System
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ifly@idea-fly.com
0755-23110006