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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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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




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:


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 .



Power line communication

Power line communication current

Part two


Benefits
Benefits current

  • 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 current

  • Noisy environment.

  • Security issues

  • Data attenuation

  • Shared media

  • Regulatory issues in some international

  • markets






Modem and crystal oscillator section
Modem and crystal oscillator section current

  • 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 .


Data sent to Power Line Modem using asynchronous serial communication

Host modem

Target modem

M

MCU

MCU

Power lines


Line coupling interface section
Line coupling interface section asynchronous serial communication


High power section
High power section asynchronous serial communication


Basic transmission and reception
Basic transmission and reception asynchronous serial communication

  • FSK modulation


Received data asynchronous serial communication

Transmitted data


Video
Video asynchronous serial communication


Part three web interface

part three asynchronous serial communicationweb interface


Web server
Web server asynchronous serial communication

Database

PHP

Visual basic


Visual basic
Visual basic asynchronous serial communication

Microcontroller

Database


Database
Database asynchronous serial communication


Future work
Future work asynchronous serial communication

  • 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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