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


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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

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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 Mazenkhateeb

Dalia IsamShar`ab

Supervised by : Dr.MazenRasekh

Energy management using power line communication


An najah national university graduation project presented by saba ahmad elsadder

Objectives


Design overview

Design overview


An najah national university graduation project presented by saba ahmad elsadder

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:


An najah national university graduation project presented by saba ahmad elsadder

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 .


An najah national university graduation project presented by saba ahmad elsadder

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


Power line communication

Power line communication

Part two


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


Applications

Applications


Design and verification

Design and verification


Power line modem

Power line modem


Power line modem1

Power line modem


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 .


An najah national university graduation project presented by saba ahmad elsadder

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


High power section

High power section


Basic transmission and reception

Basic transmission and reception

  • FSK modulation


An najah national university graduation project presented by saba ahmad elsadder

Received data

Transmitted data


Video

Video


Part three web interface

part three web interface


Web server

Web server

Database

PHP

Visual basic


Visual basic

Visual basic

Microcontroller

Database


Database

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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