ac smart measuring power device project
TRANSCRIPT
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A C S M A RT M E A S U R I N G
P O W E R D E V I C E
G R A D U A T I O N P R O J E C T I I
E L E C T R O M E C H A N I C A L E N G I N E E R I N G T E C H N O L O G Y D E P A R T M E N T
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INTRODUCTION
A smart meter:Is an electronic device that records consumption of electric energy in intervals of an hour or less and communicates that information at least daily back to the utility for monitoring
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Objectives:
• Design a software-defined electrical energy
• GSM data.• Utilize the collected and interpreted data to benchmark
efficiency ratings of the devices.
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•Why we use Single-phase power?•Add amplifier with resistors to shifted the negative signals
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EQUIPMENT LIST• microcontroller (ardinuo (UNO))• split core transformer • Resistors • GSM
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ARDUINO BOARD
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•Arduino = microcontroller •Digital inputs (14) , analog inputs (6)
•Connection
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VOLTAGE TRANSFORMER
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•used in electrical power system (step down)
•Primary of this transformer •The secondary voltage (110V)
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A SPL IT CORE TRANSFORMER
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• “Current Transformer “sensor, is a device that is used for a continuous energy monitoring purpose.
• When the current flow through the wire it creates a magnetic field in CT sensor core the secondary wire winding around this core will creates a smaller current that is proportional to the load on the wire.
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• Our project is an Aurdino based one• A spilt core transformer has many advantages for example:
-Allows installation without a power shut down. - Requires less labor for monitoring.
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GSM
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• GSM (Global System for Mobile communication) is a digital mobile telephony system that is widely used in Europe and other parts of the world. GSM uses a variation of time division multiple access and is the most widely used of the three digital wireless telephony technologies (TDMA, GSM, andCDMA). GSM digitizes and compresses data, then sends it down a channel with two other streams of user data, each in its own time slot. It operates at either the 900 MHz or 1800 MHz frequency band.
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PROCEDURE
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• The electrical board of the Smart-plug device should be designed and implemented for testing, including both hardware design and software design.
1. set up the wire connections
2. measures the value of each resistor.
3. Built the circuit and added diodes, microcontroller and the power supply
4. measures the current and voltages .
Current (A) Voltage (mV)0.3 270
0.345 310
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CIRCUIT DIAGRAM
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The GSM Module receives info from the Arduino and sends the text alert to the user’s phone number
The Arduino now tells the display to its job!
Measuring electrical device
Now passes the info on to the Arduino
The Arduino then Processes the info and tells the other components to do their respective jobs!
It will show
PVA
SMS Sent!
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WHAT ARE THE BENEFITS OF HAVING A SMART METER?• More accurate bills• Better understanding of your usage• Energy Saving
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ANY QUESTIONS