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Charge Your Electric Car, as You Drive

Charge Your Electric Car, as You Drive

Introduction

Electric and hybrid cars are beginning to challenge the regular cars regarding consumer’s choice and priority. The credit goes to their environmental friendliness. Electric cars are known for almost zero harmful exhaust to the environment and are starting to take over petrol and diesel engines.

However, electric car owners must be aware of their drawbacks, the little setbacks that aren’t just allowing electric cars to fully take over gas powered cars. One of the biggest issues is their short range because of the battery limitation. And other is just this one’s consequence of having to charge the car at public charging points, leaving it plugged- in overnight in the garage or charging it in the parking lot while you work.

Today’s Electric Cars:

We are well aware that the electric cars of today require being plugged into their charging sockets for at least eight hours a day for 100% charging. A fully charged battery is claimed to cover a range of around 100 miles under normal conditions. This battery performance is compromised in very cold or very hot weather.

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The Electric Car Enigma:

The excessive charging could get a little exhausting when you have to drive most of the time and to most of the places. Electric cars also do not seem to be a good idea when you have to set out for a long journey, limiting their usage to a greater extent. The complex battery powering and its system makes electric cars to be way more expensive for a car with such short range. So, there must be a solution through which electric cars can capture the market as much as they deserve.

The Problem’s Latest Solution:

The automobile giant Tesla has always been passionate to enhance electric cars performance and to bring them ahead of any other transit medium. First, they achieved the range of their pure- electric car ‘Roadster’ as large as 245 miles and this time it’s their vision to introduce wireless charging for their electric cars.

This isn’t the first time we hear about wireless charging. We’ve known wireless charging pads for our smart phones and the electric toothbrush charging for a while now. And wireless electric car charging system seems to be a good futuristic idea.

How does the wireless electric car charging work?

The wireless charging mechanism makes use of the generation of an AC in the coil of a wire whose motion is used to generate an electromagnetic field and hence, the emission of electromagnetic waves that carry energy. Since this is the component that is emitting energy is called a source. There is another component required to receive this emission which is installed underneath the car.

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The receiver receives the incoming electromagnetic waves and uses a rectifier to convert the energy from electromagnetic waves into electrical energy that power or charge battery of the car. In other words, the receiver also generates an alternating current that couples with that of the source and completes a circuit for current flow that eventually charges your car’s battery.

However, the practical application of this idea is not as easy as it sounds. The transfer of maximum energy through the electromagnetic waves between the two devices; source and the receiver is relative. It depends on the operating frequency of both devices, the distance between them and their orientation. For example, wireless phone charging pads can charge the phone optimally because both the surfaces are in contact with one another and perfectly aligned. But cars are usually 8 inches above the surface of the road, and their orientation with the road might vary from terrain to terrain. To overcome these challenges, the electromagnetic radiation has to be of a certain strength to ensure maximum charging efficiency and ‘energy loss prevention.’

Assuming that the researchers and engineers do manage to create a system with 100% transmission efficiency, the project still requires a great amount of implementation time and resource investment. The roads have to be equipped with wires that emit strong but harmless electromagnetic radiation, and the electric cars have to be equipped with receiving pads. To kick- start the project, we’d say that wireless charging platforms at parking lots seem like a good idea.

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About Tayyab M

I love to talk about global tech-happenings, startups, industry, education and economy.

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