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AN- Najah National University graduation project Presented by : Saba Ahmad Elsadder

AN- Najah National University graduation project Presented by : Saba Ahmad Elsadder Dina M azen khateeb Dalia Isam Shar`ab Supervised by : D r.Mazen Rasekh. Energy management using power line communication. Objectives. Design overview. Part one Energy management.

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AN- Najah National University graduation project Presented by : Saba Ahmad Elsadder

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  1. AN-Najah National University graduation project Presented by : Saba Ahmad Elsadder Dina Mazenkhateeb Dalia IsamShar`ab Supervised by : Dr.MazenRasekh Energy management using power line communication

  2. Objectives

  3. Design overview

  4. Part one Energy management

  5. Power reading circuit Isense Vsense 220 SSR Load MCU Current sensor Voltage sensor

  6. reliable sensing • Voltage sensing:

  7. Input signal Output signal

  8. Current sensor • The first choice was hall effect sensor • Hall Effect sensors are designed to measure relatively large currents.

  9. Current sensor (cont`d ) • The other choice was to use a thermal series resistor to sense the current going through the load .

  10. The voltage drop across R series is proportional to the load current

  11. Power line communication Part two

  12. Benefits • PLN takes advantage of the unused capacity of the power cable to transmit data over the existing home power cabling. • A low cost solution. • No additional rewiring. • Capable of distributing data as fast as 10 + Mbps.

  13. Challenges • Noisy environment. • Security issues • Data attenuation • Shared media • Regulatory issues in some international • markets

  14. Applications

  15. Design and verification

  16. Power line modem

  17. Power line modem

  18. Modem and crystal oscillator section • Half-duplex frequency shift keying (FSK) Transceiver. • 8 Programmable transmission frequencies • Programmable baud rate up to 4800BPS Carrier frequency : 132.5 KHz. Baud rate : 2400 Bps .

  19. Data sent to Power Line Modem using asynchronous serial communication Host modem Target modem M MCU MCU Power lines

  20. Line coupling interface section

  21. High power section

  22. Basic transmission and reception • FSK modulation

  23. Received data Transmitted data

  24. Video

  25. part three web interface

  26. Web server Database PHP Visual basic

  27. Visual basic Microcontroller Database

  28. Database

  29. Future work • Accessing the control register of the modem and using all the functions built in st7540 (header recognition ,addressing ) . • Build a network of modems and control loads from multiple places . • Home automation

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