Dynamic Wireless Charging Road for Electric Vehicles

Dynamic Wireless Charging Road for Electric Vehicles

What is Dynamic Wireless Charging?

Dynamic wireless charging is a technology that allows electric vehicles (EVs) to charge their batteries while in motion, without the need for physical cables or plugs. It typically involves embedding charging infrastructure within roadways or designated lanes, which interact with corresponding components installed on EVs. This system transfers power wirelessly to the vehicle as it moves, enabling continuous charging while driving, thereby extending the range and usability of electric vehicles.

Why do we need this technology?

The most commonly known inconvenience in terms of EVs is the hassle of finding charging stations and waiting for hours to charge your vehicle.

With Dynamic wireless charging you don’t have to worry about finding charging stations or running out of battery power while on the road. This makes electric cars more convenient and practical for longer trips.

Our electric car gets charged automatically while you’re driving on road.

How did the idea come into existence?

The core principle of this technology is Wireless Power Transfer, an invention of Nikola tesla.

Wireless Power Transmission

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He started experimenting on the idea in 1891, which led to the creation of Tesla coil. His main goal was to create a new way to transmit power wirelessly without the need for cables or wires.

Tesla Coil Working Model

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How does Wireless Power Transmission i.e., Wireless Charging work?

In dynamic wireless charging, there are two main components: the transmitter and the receiver.

The transmitter is like a source of energy. It converts electricity from a power source into a special type of high frequency alternating current (AC). This AC current is sent through a transmitter coil, creating an alternating magnetic field around it.

The receiver, which is usually installed in a vehicle, has its own coil. As the vehicle moves over the road, this coil enters the magnetic field created by the transmitter. This interaction induces an alternating current in the receiver coil, which is then converted back into usable electricity.

To ensure efficient charging, both the transmitter and receiver need to resonate at the same frequency. Compensation networks are used to maintain this resonance. Once the electricity reaches the receiver, it’s converted into direct current (DC) and used to charge the vehicle’s battery through a Battery Management System (BMS).

Wireless Energy Transfer Circuit

What hardware components are used in this project?

  1. Arduino NANO Microcontroller
  2. IR Sensors
  3. Copper Coil
  5. 16×2 LCD Display
  6. Potentiometer
  7. Switch
  8. 7805 Voltage Regulator
  9. Relay
  10. Soldering Iron
  11. Soldering Wire
  12. Zero PCB
  13. Connecting Wire
  14. LED Light
  15. Buzzer
  16. Resistor
  17. Rechargeable Battery
  18. Transformer
  19. Diodes
  20. Capacitor

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