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New microsoft office power point presentation New microsoft office power point presentation Presentation Transcript

  • WIRELESS POWER TRANSMISSION PRSENTED BY:- ABHISHEK GAUTAM KRISHNA SAHU
  • CONTENTS• INTRODUCTION• HISTORY• WHAT IS W.P.T. SYSTEM• COMPONENTS OF W.P.T.
  • INTRODUCTION Major issue in Power System- LOSSES The percentage of loss of power during transmission and distribution is about 30-40% of the total supply in INDIA. And that is the reason for introduction of Wireless Power Transmission System(W.P.T).
  • HISTORY• Nikola Tesla was the one who invented radio & showed us the path of “wireless technology”• He also demonstrated “the transmission of electrical energy without wires" that depends upon electrical conductivity as early as 1891.• In 1893, Tesla demonstrated the illumination of vacuum bulbs without using wires for power transmission.
  • WHAT IS W.P.T In the transmission side, the microwave power source generates microwave power. The power source is connected through the Coax – Waveguide Adaptor. It matches the impedance between the transmitting antenna and the microwave source. The attenuated signals will be then separated based on the direction of signal propagation by Directional Coupler. The transmitting antenna radiates the power uniformly through free space.
  •  In the receiving side, a rectenna receives the transmitted power. The impedance matching circuit and filter is provided to setting the output impedance of a signal source equal to the rectifying circuit. The rectifying circuit consists of Schottky barrier diodes converts the received microwave power into DC power.
  • Components of WPT System Microwave Generator Transmitting Antenna Rectenna:- Antenna+ Rectifying ckt. with a low pass filter between the antenna and rectifying diode.
  • ADVANTAGES• Higher Efficiency• Low losses• Low risk factor• Failure due to short ckt. Is not possible.• Low possibility of theft.• Uneven terrain will also get power.
  • DISADVANTAGES• Installation cost is very high.• Interference of microwave with present communication systems.
  • Biological Impacts• Microwave radiation level would be never higher than the dose received while opening the microwave oven door which means it is safe.• It operate with power densities at or below the ANSI/IEEE exposure standards. Thus public exposure to W.P.T. fields will be below existing safety guidelines.
  • CONCLUSION• This concept offers greater possibilities for transmitting power with negligible losses and ease of transmission than any invention or discovery heretofore made.• We can send power to you like a cell phone call – where you want it, when you want it, in real time