a smart prepaid energy metering to control energy meter
DESCRIPTION
prepaid energy meterTRANSCRIPT
A Smart Prepaid Energy Metering System to Control
Electricity TheftBy
G SAI NARENDRA15011D5501
Abstract
• To control the electricity theft•Using GSM module in both sides• Easily recharge• To control meter bypassing and tampering• Legal actions against dishonest consumers
Introduction
• A huge amount of revenue lost• Electricity theft : tampering meter bypassing meter billing irregularities unpaid bills
Past methods to detect electricity theftNon technical methods periodic inspectionTechnical methods central observer meter harmonic generatorThese techniques require proper communication
Proposed Prepaid Metering System
•Provider-maintains server•Consumer-provided energy meter•Both contains GSM modem GSM module
Prototype of the proposed meter
Energy meter consists of
• Microcontroller(ATmega 32)• Energy measuring chip(ADE7751)• GSM module• MAX232• Current transformers• Potential transformers• LCD display• Relay
• Energy meter chip produces pulses•Pulses proportional to energy consumption•MC counts the output pulses• It uses AT commands to communicate with GSM•Battery backup is available•C language and MATLAB software used
• Recharging is similar to mobile recharge• User has to buy scratch card• Pin number send to server by sms• Then User gets energy units• Readings displayed on LCD• Automatically disconnects the load• Avoids irregularities• Ensures revenue collection
Measures for controlling electricity theft1.Shorting the phase line
Measures for controlling electricity theft2.Disconnecting the neutral line
Measures for controlling electricity theft3.whole meter bypassing
Measures for controlling electricity theft4.Using observer meter and harmonic generation
Measures for controlling electricity theft5.Tampering
conclusion
•GSM communication provides prepaid electricity consumption controls the theft electricity Immediate legal action ensuring revenue collection
References• T. B. Smith, “Electricity theft: a comparative analysis,” Elsevier Journal Energy Policy, vol. 32, no. 18, pp. 2067-
2076, Dec. 2004.
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References
• A.H. Nizar and Z.Y. Dong, “Identification and detection of electricity customer behaviour irregularities,” in proceedings of IEEE PowerSystems Conference and Exposition, pp. 1-10, Mar. 2009
• A.Pasdar and S.Mirzakuchaki, “A solution to remote detecting of illegal electricity usage based on smart metering,” proceedings of 2nd International Workshop on Soft Computing Applications, pp. 163-167,Aug. 2007.
• A. Barua, N. Mohammad, A. I. Abbas, and M. A. Arafat, “Single phase SMS prepaid digital energy meter,” unpublished
• A. Barua, N. Mohammad, M. A. Arafat, K. Khan, A. I. Abbas, and R.Chaudhary “Threephase SMS prepaid digital energy meter,”International Conference on Electrical and Computer Engineering, Dec.2012, in press.
• S.S.S.R. Depuru, L. Wang, V. Devabhaktuni, and N. Gudi, “Measures and setbacks for controlling electricity theft,” in proceedings of North American Power Symposium, pp. 1-8, Sept. 2010.
THANKS
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