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GSM Based Prepaid
Remote Energy Meter &
OverVoltage Protection
Introduction
• What is Energy Meter?
• What is Prepaid remote Energy meter?
• How Over Voltage is protected and detected ?
PROBLEM STATEMENT
• Electricity demand is on the increase. As
population increases, comes more demand for
electricity supply/consumption. Demand per
capita is increasing due to large no. of gadgets in
use. Demand from developing countries is also
on the rise.
• “How can we manage customer consumption
of electricity in response to supply condition,
for example having electricity customers
reduce their consumption at critical times"
BRIEFING
• We will interface digital energy
meter to the easy recharge unit and
hence converts it into a prepaid
energy meter.
• By using this technology, we will
be able to minimize the losses
occurred by corrupt employees.
• This also helps in the protection of
Over Voltage
PAST
ELECTRO-MECHANICAL
Low Accuracy
Control – NIL
Communications - Expensive
Theft Detection – Poor
PRESENT
DIGITAL SOLID STATE
High Accuracy
Control – LIMITED
Communications – External through Retrofit
Theft Detection – Node only
NEXTGEN
REMOTE PREPAID ENERGY METERS
Very High Accuracy
Control – FULL
Communications – Built in (on chip / PCB)
Theft Detection – High (Network level)
History Of METERING SYSTEM
Block Diagram Diagram
Power Station
load 220-230v AC
Relay
ONOFF
Energy Meter
Load
Counter
Unit
Recharging
Section using
rfid
Mobile
GSM
Modem
Power
Supply
ARM7
LPC2148
Power Supply
Reset
Buzzer
3.3V
12V
12V
RFID
TAG
RTC
Components
ARM7 LPC248
ARM9TDMI
Energy meter GSM modem
Energy Meter
Energy meter is a device that measures the amount
of electrical energy is consumed.
The meters fall into two categories:
Electromechanical induction meter operates by
counting the revolutions of aluminum disc which is
made to rotate at a speed proportional to the power.
Electromechanical meter Electronic meter
ARM7 & ARM9
ARM7 ARM9
Von neumann architecture. Harvard architecture,
32 bit RISC micro controller.
32 bit RISC micro controller.
3 stage pipeline. 5 stage pipeline.
Single memory for Data and
Instructions.
Seperate instruction and Data
for memory interface.
GSM Modem
• A GSM modem is one of the wireless modem that is
devised to work with a GSM wireless network.
• Used for text Sending and Receving.
• Support wide range of frequencies (from 850 MHZ to
1900 MHZ for different classification of GSM
networks).
• In this we use
SIM 300 mini GSM module
for communication.
Over voltage Detection
Electronic meter consists
of LED,which blinks
according to power
consumption.
If Power consumption is
more LED blinks faster &
Over Voltage is Detected.
LED blink receives train of
pulses applied to interupt pin
of ARM7
How Energy Meter is Interfaced
House
Electricity
Board Office
GSM Modem
Energy
Meter
ARM7
GSM
network
GSM Modem
ARM7 & Energy meter Is interface with GSM
Network.
GSM Modem is Present at Office & at consumer side.
GSM Initialization
 GSM sends notification to
authenticated number through
SMS.
Initialization Of GSM
System Implementation
 Authorized number sends SMS to GSM Modem an
interrupt signal is occured.
ARM7 reads the pulse and sends status of pulse and
units.
ARM9 Screen Display
• Once recharge is
done units are
displayed on ARM9
• We can know
consumed units
through SMS by
giving missed to
GSM Modem
If Recharged Units are Consumed
The devices will be
SWITCHED OFF and
displayed on ARM9.
Alert message is send
to authenticated number
Advantages
Disadvantages
• Billing system fails if no GSM
network coverage.
• Charges may be applicable for
network use.
• Requries fixed GSM number.
CONCLUSION
• This pre-paid remote energy meter proves to
be a boon in the power sector.
• Control the usage of electricity on consumer
side to avoid wastage of power.
• Helps to the country revenue by stopping
current theft and punishing the dishonest
customers.
References
H.G.Rodney, Tan IEEE, C.H.Lee and V.H.Mok, 2007. Automatic Power
Meter Reading system using GSM Network. The 8th International Power
Engineering Conference, pp: 465-469.
Md. Wasi-ur-Rahman, Mohammad Tanvir Rahman,Tareq Hasan Khan and
S.M. Lutful Kabir 2009. Design of an Intelligent SMS Based Remote
Metering System. IEEE International Conference on Information and
Automation, pp: 1040-1043.
Kwang-il Hawang 2009. Fault Tolerant GSM based Remote Meter
Reading Infrastructure. Journal of International Processing Systems. Vol:5,
No 4, pp:221-228.
http://probots.co.in/Manuals/SIM300.pdf
Richa Shrivastava, Nipun Kumar Mishra, “An embedded system for
wireless prepaid billing of digital energy meter” , International Journal of
Advances in Electronics Engineering Vol1 No.1,pp.322-324.
Thank You
Any Queries ?

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GSM Prepaid Meter PPT.ppt

  • 1. GSM Based Prepaid Remote Energy Meter & OverVoltage Protection
  • 2. Introduction • What is Energy Meter? • What is Prepaid remote Energy meter? • How Over Voltage is protected and detected ?
  • 3. PROBLEM STATEMENT • Electricity demand is on the increase. As population increases, comes more demand for electricity supply/consumption. Demand per capita is increasing due to large no. of gadgets in use. Demand from developing countries is also on the rise. • “How can we manage customer consumption of electricity in response to supply condition, for example having electricity customers reduce their consumption at critical times"
  • 4. BRIEFING • We will interface digital energy meter to the easy recharge unit and hence converts it into a prepaid energy meter. • By using this technology, we will be able to minimize the losses occurred by corrupt employees. • This also helps in the protection of Over Voltage
  • 5. PAST ELECTRO-MECHANICAL Low Accuracy Control – NIL Communications - Expensive Theft Detection – Poor PRESENT DIGITAL SOLID STATE High Accuracy Control – LIMITED Communications – External through Retrofit Theft Detection – Node only NEXTGEN REMOTE PREPAID ENERGY METERS Very High Accuracy Control – FULL Communications – Built in (on chip / PCB) Theft Detection – High (Network level) History Of METERING SYSTEM
  • 6. Block Diagram Diagram Power Station load 220-230v AC Relay ONOFF Energy Meter Load Counter Unit Recharging Section using rfid Mobile GSM Modem Power Supply ARM7 LPC2148 Power Supply Reset Buzzer 3.3V 12V 12V RFID TAG RTC
  • 8. Energy Meter Energy meter is a device that measures the amount of electrical energy is consumed. The meters fall into two categories: Electromechanical induction meter operates by counting the revolutions of aluminum disc which is made to rotate at a speed proportional to the power. Electromechanical meter Electronic meter
  • 9. ARM7 & ARM9 ARM7 ARM9 Von neumann architecture. Harvard architecture, 32 bit RISC micro controller. 32 bit RISC micro controller. 3 stage pipeline. 5 stage pipeline. Single memory for Data and Instructions. Seperate instruction and Data for memory interface.
  • 10. GSM Modem • A GSM modem is one of the wireless modem that is devised to work with a GSM wireless network. • Used for text Sending and Receving. • Support wide range of frequencies (from 850 MHZ to 1900 MHZ for different classification of GSM networks). • In this we use SIM 300 mini GSM module for communication.
  • 11. Over voltage Detection Electronic meter consists of LED,which blinks according to power consumption. If Power consumption is more LED blinks faster & Over Voltage is Detected. LED blink receives train of pulses applied to interupt pin of ARM7
  • 12. How Energy Meter is Interfaced House Electricity Board Office GSM Modem Energy Meter ARM7 GSM network GSM Modem ARM7 & Energy meter Is interface with GSM Network. GSM Modem is Present at Office & at consumer side.
  • 13. GSM Initialization  GSM sends notification to authenticated number through SMS. Initialization Of GSM
  • 14. System Implementation  Authorized number sends SMS to GSM Modem an interrupt signal is occured. ARM7 reads the pulse and sends status of pulse and units.
  • 15. ARM9 Screen Display • Once recharge is done units are displayed on ARM9 • We can know consumed units through SMS by giving missed to GSM Modem
  • 16. If Recharged Units are Consumed The devices will be SWITCHED OFF and displayed on ARM9. Alert message is send to authenticated number
  • 18. Disadvantages • Billing system fails if no GSM network coverage. • Charges may be applicable for network use. • Requries fixed GSM number.
  • 19. CONCLUSION • This pre-paid remote energy meter proves to be a boon in the power sector. • Control the usage of electricity on consumer side to avoid wastage of power. • Helps to the country revenue by stopping current theft and punishing the dishonest customers.
  • 20. References H.G.Rodney, Tan IEEE, C.H.Lee and V.H.Mok, 2007. Automatic Power Meter Reading system using GSM Network. The 8th International Power Engineering Conference, pp: 465-469. Md. Wasi-ur-Rahman, Mohammad Tanvir Rahman,Tareq Hasan Khan and S.M. Lutful Kabir 2009. Design of an Intelligent SMS Based Remote Metering System. IEEE International Conference on Information and Automation, pp: 1040-1043. Kwang-il Hawang 2009. Fault Tolerant GSM based Remote Meter Reading Infrastructure. Journal of International Processing Systems. Vol:5, No 4, pp:221-228. http://probots.co.in/Manuals/SIM300.pdf Richa Shrivastava, Nipun Kumar Mishra, “An embedded system for wireless prepaid billing of digital energy meter” , International Journal of Advances in Electronics Engineering Vol1 No.1,pp.322-324.