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AN-Najah National University graduation project Presented by : Saba Ahmad Elsadder Dina Mazen khateeb Dalia Isam Shar`ab Supervised by : Dr.Mazen Rasekh Energy management using power line communication

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 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. - PowerPoint PPT Presentation

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Page 1: AN- Najah  National University  graduation project Presented by :  Saba Ahmad  Elsadder

AN-Najah National University

graduation project

Presented by : Saba Ahmad Elsadder Dina Mazen khateeb Dalia Isam Shar`ab

Supervised by : Dr.Mazen Rasekh

Energy management using power line communication

Page 2: AN- Najah  National University  graduation project Presented by :  Saba Ahmad  Elsadder

ObjectivesEnergy management

Power line communication

Web based interface

Page 3: AN- Najah  National University  graduation project Presented by :  Saba Ahmad  Elsadder

Design overview

Page 4: AN- Najah  National University  graduation project Presented by :  Saba Ahmad  Elsadder

Part one

Energy management

Page 5: AN- Najah  National University  graduation project Presented by :  Saba Ahmad  Elsadder

Power reading circuit

Isense

Vsense

Load

Current sensor

SSR

Voltage sensor

220

MCU

Page 6: AN- Najah  National University  graduation project Presented by :  Saba Ahmad  Elsadder

reliable sensing Voltage sensing:

Page 7: AN- Najah  National University  graduation project Presented by :  Saba Ahmad  Elsadder

• Input signal • Output signal

Page 8: AN- Najah  National University  graduation project Presented by :  Saba Ahmad  Elsadder

Current sensor The first choice was hall effect sensor

Hall Effect sensors are designed to measure relatively large currents.

Page 9: AN- Najah  National University  graduation project Presented by :  Saba Ahmad  Elsadder

Current sensor (cont`d ) • The other choice was to use a thermal

series resistor to sense the current going through the load .

Page 10: AN- Najah  National University  graduation project Presented by :  Saba Ahmad  Elsadder

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

I load(A)

v sense

0.2 .182

0.9 .24

1.35 .368

3 .418

3.38 .462

3.7 .506

Page 11: AN- Najah  National University  graduation project Presented by :  Saba Ahmad  Elsadder

Power line communication

Part two

Page 12: AN- Najah  National University  graduation project Presented by :  Saba Ahmad  Elsadder

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.

Page 13: AN- Najah  National University  graduation project Presented by :  Saba Ahmad  Elsadder

ChallengesNoisy environment.Security issuesData attenuationShared mediaRegulatory issues in some internationalmarkets

Page 14: AN- Najah  National University  graduation project Presented by :  Saba Ahmad  Elsadder

Applications

Page 15: AN- Najah  National University  graduation project Presented by :  Saba Ahmad  Elsadder

Design and verification

Page 16: AN- Najah  National University  graduation project Presented by :  Saba Ahmad  Elsadder

Power line modem

Page 17: AN- Najah  National University  graduation project Presented by :  Saba Ahmad  Elsadder

Power line modem

Modem and crystal oscillator section

Line coupling interface section

Page 18: AN- Najah  National University  graduation project Presented by :  Saba Ahmad  Elsadder

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 .

Page 19: AN- Najah  National University  graduation project Presented by :  Saba Ahmad  Elsadder

Data sent to Power Line Modem using asynchronous serial communication

MCU Target

modem

M

MCU Host

modem Power lines

Page 20: AN- Najah  National University  graduation project Presented by :  Saba Ahmad  Elsadder

Line coupling interface section

Page 21: AN- Najah  National University  graduation project Presented by :  Saba Ahmad  Elsadder

High power section

Page 22: AN- Najah  National University  graduation project Presented by :  Saba Ahmad  Elsadder

Basic transmission and reception

• FSK modulation

Page 23: AN- Najah  National University  graduation project Presented by :  Saba Ahmad  Elsadder

Received data

Transmitted data

Page 24: AN- Najah  National University  graduation project Presented by :  Saba Ahmad  Elsadder

Video

Page 25: AN- Najah  National University  graduation project Presented by :  Saba Ahmad  Elsadder

part three

web interface

Page 26: AN- Najah  National University  graduation project Presented by :  Saba Ahmad  Elsadder

Web server

PHP Database

Visual basic

Page 27: AN- Najah  National University  graduation project Presented by :  Saba Ahmad  Elsadder

Visual basic

Database Microcontroller

Page 28: AN- Najah  National University  graduation project Presented by :  Saba Ahmad  Elsadder

Database

Page 29: AN- Najah  National University  graduation project Presented by :  Saba Ahmad  Elsadder
Page 30: AN- Najah  National University  graduation project Presented by :  Saba Ahmad  Elsadder

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