The document discusses the history and technology of wireless power transmission. It notes that Nikola Tesla first demonstrated wireless power transmission in 1901 by transmitting electromagnetic energy without wires. Modern wireless power uses magnetic induction or resonant magnetic coupling to transmit energy over short to mid-range distances by converting electrical energy to magnetic fields. Researchers at MIT and Intel demonstrated wireless lighting of bulbs in 2007 and 2008 with efficiencies of 30% and 70% over distances of 2 and 1 meters, respectively, using magnetic resonance coupling. The document outlines various wireless power transmission technologies and their applications in devices like mobile phones, electric cars, and laptops.
in this presentation to get the knowledge about the wireless power transmission in the power system. from this presentation easy to learn about the "How to power transfer without using the wire?" . To give the advantages , Disadvantages and the applications of the Wireless Power Transmission System.
This ppt explains how to develop a device for wireless power transfer. It can make a remarkable change in the field of the electrical engineering and eliminates conventional copper cables and current carrying wires.
in this presentation to get the knowledge about the wireless power transmission in the power system. from this presentation easy to learn about the "How to power transfer without using the wire?" . To give the advantages , Disadvantages and the applications of the Wireless Power Transmission System.
This ppt explains how to develop a device for wireless power transfer. It can make a remarkable change in the field of the electrical engineering and eliminates conventional copper cables and current carrying wires.
Long conductors of electricity forming part of an electric circuit and electrically connecting said ionized beam to an electric circuit These methods achieve longer ranges, often multiple kilometer ranges, where the distance is much greater than the diameter of the devices to overcome these drawbacks the technology that offers to free applications from power cords and wall warts will confer a definite salable edge on electronic devices. Applications that would benefit from wireless power range from portable consumer electronics, such as cell phones and MP3 players, which could jettison their wall warts and power adapters, to low-power wireless-sensor networks, which could be free of frequent battery replacement, to medical implants in patients who could avoid surgery to replace batteries
Today every thing is going small so use of wires in electrical equipment also reduced so need of wireless power transmission also get in demand this ppt presentation is all about wireless power transmission and it is real and possible because many people think that it is not possible .
Long conductors of electricity forming part of an electric circuit and electrically connecting said ionized beam to an electric circuit These methods achieve longer ranges, often multiple kilometer ranges, where the distance is much greater than the diameter of the devices to overcome these drawbacks the technology that offers to free applications from power cords and wall warts will confer a definite salable edge on electronic devices. Applications that would benefit from wireless power range from portable consumer electronics, such as cell phones and MP3 players, which could jettison their wall warts and power adapters, to low-power wireless-sensor networks, which could be free of frequent battery replacement, to medical implants in patients who could avoid surgery to replace batteries
Today every thing is going small so use of wires in electrical equipment also reduced so need of wireless power transmission also get in demand this ppt presentation is all about wireless power transmission and it is real and possible because many people think that it is not possible .
you are worried due to power losses during power trasmission through WIRES.
A new era had begun, where people are going to transfer POWER without any wires in SPACE.
It will change the world into no wires and no batteries.
Wireless power transmission technology is not a new technology. In 1980, it was demonstrated by Nikola Telsa. ... The name wireless power transmission states the transfer of electrical power from a source to an electrical device without the help of wires. Basically, it involves two coils: a transmitter and a receiver coil.
Similar to Wireless Power Transmission , Wireless Charging (20)
Neuro-symbolic is not enough, we need neuro-*semantic*Frank van Harmelen
Neuro-symbolic (NeSy) AI is on the rise. However, simply machine learning on just any symbolic structure is not sufficient to really harvest the gains of NeSy. These will only be gained when the symbolic structures have an actual semantics. I give an operational definition of semantics as “predictable inference”.
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Encryption in Microsoft 365 - ExpertsLive Netherlands 2024Albert Hoitingh
In this session I delve into the encryption technology used in Microsoft 365 and Microsoft Purview. Including the concepts of Customer Key and Double Key Encryption.
Slack (or Teams) Automation for Bonterra Impact Management (fka Social Soluti...Jeffrey Haguewood
Sidekick Solutions uses Bonterra Impact Management (fka Social Solutions Apricot) and automation solutions to integrate data for business workflows.
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This video focuses on the notifications, alerts, and approval requests using Slack for Bonterra Impact Management. The solutions covered in this webinar can also be deployed for Microsoft Teams.
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Transcript: Selling digital books in 2024: Insights from industry leaders - T...BookNet Canada
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UiPath Test Automation using UiPath Test Suite series, part 3DianaGray10
Welcome to UiPath Test Automation using UiPath Test Suite series part 3. In this session, we will cover desktop automation along with UI automation.
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Welcome to UiPath Test Automation using UiPath Test Suite series part 4. In this session, we will cover Test Manager overview along with SAP heatmap.
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Orchestrator execution result
Defect reporting
SAP heatmap example with demo
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Deepak Rai, Automation Practice Lead, Boundaryless Group and UiPath MVP
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1. WIRELESS POWER
TRANSMISSION
-
PR A SA NN SHR I VA S TAVA
1 1 0 1 0 -7052
E L E CT RO NICS A ND CO MMU NICATIO N
MA NIPA L UNIVE R S IT Y J A I P U R
2. What Is Wire-less Power Transmission ?
• Wireless Power Transmission or Wireless Energy
Transmission is the transmission of electrical
energy from a power source to an electrical
load without conductors.
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3. What Is Wire-less Power Transmission ?
• Wireless transmission is useful in cases where
interconnecting wires are inconvenient, hazardous,
and/or impossible.
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4. History of WIRELESS POWER
TRANSMISSION
In 1901, Nikola Tesla used the
Principle of electrodynamics
induction to transfer
electromagnetic energy without
the need of wires to construct the
Wardenclyffe tower (Figure 1) to
transmit power between America
and Europe but was destroyed by
US government in 1917.
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5. • A magnetic field is
created around the
wire if electricity is
transmitted down a
wire
Andre Marie
Ampere
PRASANN SHRIVASTAVA - 110107052
Michael
Faraday
• Faraday developed the
fundamental law of
induction, a process that
enables the transfer of
power from one wire to
another using magnetic
field.
• Maxwell equation was
established, which is the
basis of several
everyday devices
including electrical
motors and generators
Maxwell
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6. Researches Over WIRELESS
TRANSMISSION
In 2007, MIT researchers proposed the wireless power
transmission based on strong coupled magnetic
resonance and successfully lightened a 60 W bulb over
2 meters with a transfer efficiency of 30%.
In 2008, Intel demonstrated an experiment setup to
lighten a 60 W bulb over 1 meter with the transfer
efficiency of 70 %.
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9. The technologies for wireless charging
can be magnetic induction, radio
frequency, optical or conduction.
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10. • Magnetic induction converts electrical energy to
magnetic energy. It allows transmission over an air
gap and is typically short to midrange
• For microwave or radio frequency, the parabolic
dish focuses radio waves which are typically long
range waves towards intended target.
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11. • For optical or infrared, the laser light is focused on
photovoltaic cells that convert light energy to
power.
• In conduction, the power transfer occurs due to
metallic contact between transmitter and receiver.
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12. Magnetic induction has two categories namely magnetic
induction coupling and magnetic resonance coupling.
In inductive coupling, the source drives a primary coil
creating a sinusoidal varying magnetic field which induces
a voltage across terminals of secondary coil, thus
transferring power to load.
Magnetic resonance coupling is more advantageous since
it has an extended range and potential to support multiple
receivers.
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19. ADVANTAGES
•Wireless
• A number of devices can be
charged at a time
• Electrically safe
• Can be used in harsh
environments due to
encapsulation
• High power in output
• Waterproof
• Low maintenance
• Charging is convenient
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LIMITATIONS
•More power consumption
• Low efficiency
• Heat generation is more
than traditional charging
• Complex circuitry
• More costly
• Slow Charging
• High cost of manufacturing
• Harmful magnetic adiations
emitted
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20. APPLICATIONS
In Mobile Phones
In Cordless Phones
In Electric Car
In Laptops
In Low Power Consuming Appliances.
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24. Conclusion
Wireless energy transmission technology has been
developed in which electrical energy is transmitted from
power source to an electrical device without using wires.
The technology has improved sustainability but still
consists of various drawbacks which need to be
researched upon in order to commercialize it.
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In electrical engineering , two conductors are referred to as mutual-inductively coupled or magnetically coupled when they are configured such that change in current flow through one wire induces a voltage across the ends of the other wire through electromagnetic induction.
Induction chargers typically use an induction coil to create an alternating electromagnetic field from within a charging base station, and a second induction coil in the portable device takes power from the electromagnetic field and converts it back into electrical current to charge the battery. The two induction coils in proximity combine to form an electrical transformer.Greater distances between sender and receiver coils can be achieved when the inductive charging system uses resonant inductive coupling.Resonant inductive coupling or electrodynamic induction is the near field wireless transmission of electrical energy between two coils that are tuned to resonate at the same frequency. The equipment to do this is sometimes called a resonant or resonance transformer.
An electric toothbrush's base and handle contain coils that allow the battery to recharge.A Splashpower mat uses induction to recharge multiple devices simultaneously.
this kind of setup could power or recharge all the devices in one room. Some modifications would be necessary to send power over long distances