Recent technological developments have led to wireless, including wireless electricity. A new term for wireless electricity is WiTricity. If most people around the world still use wire electricity, but the application has begun to be used today. WiTricity itself is electrical energy that is transferred without using a cable as a transmission medium.

If this technology continues to be developed by engineers and researchers, in the future there will no longer be a need for cables to transmit electrical energy from one device to another. All can take advantage of electromagnetic waves at different times. WiTricity provides many advantages, such as reducing production costs and eliminating batteries. Eliminating batteries and wires can increase the convenience of using a device.

What Do You Mean by WiTricity?

You already understand the brief discussion of WiTricity. Then you can start to understand the application of this WiTricity. Immediately, let’s look at the application of WiTricity technology:

1. The Wardenclyffe Tower

The search for WiTricity technology has started a long time ago and there is something called the Wardenclyffe Tower. The tower has another name Tesla Tower. The building engineers used to experiment with delivering wireless transmissions and took place from 1901-1917. The building was built by Nikola Tesla in Afternoon, New York.

Tesla itself is famous as a developer of telephony, transmits messages, and also facsimile images. Of course, the project required a lot of money and the problem was that no one was willing to invest in this invention. The project was finally abandoned in 1906. Tesla was heavily in debt and finally, the building was demolished in 1917.

2. Applications of Long Range Transmission

Many electronic companies are now competing to develop WiTricity. One of the results of this development is the long-range transmission of WiTricity. According to Emrod Energy, the furthest distance that can be achieved by current technology is 100 km. This technology utilizes a special antenna to transmit electromagnetic beams. The previously applied technology still utilizes inductive coupling power transmission.

The problem is that this technology produces a magnetic field that gets more and more disturbed every time the transmitter and receiver distance is increased. Learning from research, finally, technology development uses electromagnetic beam. This long range power transmission also has two categories, such as Far-Field and Near-Field.

3. Solar Power Satellites

Japan is one of the countries that is intensively conducting research on the development of solar power satellites. The term that researchers often use is harvesting solar energy from outer space and sending it to earth (to Japan) with the WiTricity method. Meanwhile, Solar Power Satellites technology can be shortened to SPS which allows the world community to get green energy as a substitute for nuclear. We all know if nuclear harms the earth because it can cause gene mutations in living things on earth until death.

4. The Most Imp, Application or Advancement

Other applications of WiTricity are likely to one day be found in all types of industries. According to the WiTricity website, the technology has been used in automatic mobile robots, drilling, mining, and others. All technologies that utilize WiTricity are useful for lightening human work.

5. Types of Wireless Energy Transfer Techniques Are

Reporting from Circuit Digest, the types of wireless energy transfer techniques are divided into two, namely Near field and Far-field. Near Field Energy Transmission usually utilizes electromagnetic induction in distributing electrical energy. While the Far Field uses electromagnetic radiation to conduct electrical energy.

6. Inductive Coupling

If you talk about WiTricity, you will be familiar with inductive coupling. The definition of inductive coupling is that the coupling becomes stronger with the resonance generated by the resonant transformer. The benefits of resonant inductive coupling are found in some modern electronics, such as computers and phones.

7. Microwave Transmission

Microwave transmission is the process of delivering information by utilizing electromagnetic waves. The wavelength for microwave transmission is 1m – 1mm. In microwave transmission, microwave relays are often used as repeaters.

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Need of WiTricity

WiTricity’s development in the future will be more useful for developing many devices in sound so that they no longer need to use chargers and batteries. All only need to turn on the electrical energy delivery machine and all devices can receive electrical energy. For example, smart cars, smart homes, smartphones, and several other technologies.

History of Wireless Electricity Power

In fact, many engineers and researchers have thought about the development of wireless electricity since the 1800s. The inventors used Maxwell’s theory which discussed electromagnetism. The theory was first published in 1865. Based on this theory, electromagnetic waves have a very precise speed of light to create WiTricity since ancient times.

However, the development of WiTricity itself was less enthusiastic in the 1800s. Just started the hype back in the 2000s. One of these experiments was carried out by Hertz in 1886. Hertz succeeded in making an experiment in the form of wireless energy transmission. Hertz’s experiments used microwaves in UHF waves. Another experiment was carried out by Tesla in 1899.

Techniques of Transfer

There is some equipment to be able to deliver electrical energy wirelessly. Equipment in the context of WiTricity is the transmitting antenna, microwave source, and also receiving antenna. All equipment has its own role in techniques to transfer electricity wirelessly.

Smart Grid Electricity

Application, Pros and Cons of Wireless Electricity

All technology that humans make always has weaknesses, including WiTricity. Some of the benefits of using WiTricity are increasing convenience (no need to charge the device first and can be used directly), utilizing power coupling, direct wireless power, and being able to drive small-sized smart vehicles.

But behind all the advantages, WiTricity also has a weakness. The drawbacks are that it can only be used for short-range charging, cannot properly charge energy in large vehicles, the price of technology is still expensive (not many are producing it), and it is still in the development process.

Future of Wireless Electricity

Almost all devices will use WiTricity in the future. Maybe in just 5 to 10 years more commercial use of WiTricity will take place. For example, smart vehicles, automatic robots, smart homes, and others. Meanwhile, the existing facts regarding the efficiency of the existing WiTricity are only able to reach about 40%.

Conclusion

The development of wireless electricity has been going on since the 1800s. However, it became intensively developed in the 2000s. The application process will later be applied to all devices so that it no longer requires cables and batteries.

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