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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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Presentation Transcript
slide1

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

slide4

Part one

Energy management

power reading circuit
Power reading circuit

Isense

Vsense

220

SSR

Load

MCU

Current sensor

Voltage sensor

reliable sensing
reliable sensing
  • Voltage sensing:
slide7
Input signal

Output signal

current sensor
Current sensor
  • The first choice was hall effect sensor
  • Hall Effect sensors are designed to measure relatively large currents.
current sensor cont d
Current sensor (cont`d )
  • The other choice was to use a thermal series resistor to sense the current going through the load .
benefits
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.
challenges
Challenges
  • Noisy environment.
  • Security issues
  • Data attenuation
  • Shared media
  • Regulatory issues in some international
  • markets
modem and crystal oscillator section
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 .

slide19

Data sent to Power Line Modem using asynchronous serial communication

Host modem

Target modem

M

MCU

MCU

Power lines

slide23

Received data

Transmitted data

web server
Web server

Database

PHP

Visual basic

visual basic
Visual basic

Microcontroller

Database

future work
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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