Published on March 12, 2014
Smart and Intelligent GSM based Automatic Meter Reading & Control System Dept., of CS&E ,VVCE Page 1 CHAPTER 1 INTRODUCTION 1.1 Over-view of GSM based AMR & Control System Since the first Global System for Mobile Communications (GSM) network started to commission and operation in 1991, the world has adopted the standard for mobile communication. After the adoption, countries around the world are developing GSM infrastructure for wider nationwide coverage at a rapid rate. The SMS was developed as part of the Global System for Mobile Communication (GSM) phase2 specification in 1992 as a text paging mechanism in addition to the original GSM voice service. It experienced an astronomical increase usage making it as a popular communication means for notification. The SMS has extended their service to content providers to deliver a wide variety of services to mobile phone users. SMS is one of the convenient mean of communication especially for reminder, notification, and a short note when the mobile phone user is not expect to answer or respond immediately. With the advancement and booming of ICT and internet technology makes online information system applications such as e-commerce are gaining more acceptances by the public. The convergence of GSM and ICT network allow more mobile and wireless applications to be implemented such as electricity meter reading, billing, payment and distribution control But a new technology is named Automatic Meter Reading System is discuses. Apart from being a boom, AMR wipes out all the cons of conventional systems. Automatic Meter Reading System is a sophisticated system which allows companies to collect the reading without visiting the site.AMR include various technology for data collection such as power line communication, Zig-bee, Radio Frequency (RF Method) and GSM network but GSM network is best among this technology. The GSM based AMR system. Automatic meter reading system helps the customer and energy Service provider to access the accurate and updated data from the energy meter.AMR System can send energy consumption in hourly, monthly or on request. This data is sent to central system for billing and troubleshooting. These data are stored into the database server for processing and recording. This technology mitigates labor cost, collection time, energy theft, avoids late payment. Adding to this it increases data security, improved customer service, reduced revenue losses. This system is not only sending the data but also it
Smart and Intelligent GSM based Automatic Meter Reading & Control System Dept., of CS&E ,VVCE Page 2 does provide power disconnect/connect feature, power cut feature and tempering alert feature. All these advantages give this product an edge over other pragmatically prevailing devices. 1.2 Problem statement Now a day’s Current electricity billing is done by labor and manual reading from houses to houses. This requires huge number of labor operators and long working hour to achieve complete area billing. 1.3 The solution With the help of GSM networks a gsm modem and microcontroller equipments are used with the digital energy meter we can get automatic energy meter bill reading system. 1.4 Existing System At present, most of the houses in India have the traditional mechanical watt hour meters and the billing system is not automated. At the end of each month a person from the electricity board goes to every house and takes the meter reading manually. These meter readings are used for electricity bill calculation and this bill sent to consumer house by post. Customer goes to electricity department for paying this bill amount. But in this technique we are required great number of persons for reading the meters. The procedures of sending the bills to customer are very laborious and cumbersome. 1.5 Proposed System The proposed system automatically reads the energy meter data and sends it to the Service provider on reception of a specific message from Service provider. It uses a GSM modem for this purpose. The system can also provide the facility to disconnect the supply of a customer in case of any payment related issue.
Smart and Intelligent GSM based Automatic Meter Reading & Control System Dept., of CS&E ,VVCE Page 3 CHAPTER 2 LITERATURE SURVEY 2.1 GSM BASED POWER METER READING AND CONTROL SYSTEM Mr.Rahul Ganesh Sarangle, Prof.Dr.UdayPanditKhot, Prof. JayenModi, Automatic Meter Reading (AMR) technologies, electrical utilities (EUs) have been exploiting their own infrastructure to bill their customers in an efficient and economical way. Since the amount of data that has to be send is quite low related to the available time to perform this task, AMR applications have been demanding low bit rates. At this moment, EUs are exploring and demanding other services as load and alarm management, remote monitoring and disconnections, etc. In this context, the Low Voltage modems should provide more throughout while keeping the cost of the hardware low. The results of the power-flow studies are compared to those determined using the actual customer meter readings. • Daily kWH • Monthly kWH 2.2 Smart and Intelligent GSM based Automatic Meter Reading System Abhinandan Jain, Dilip Kumar, JyotiKedia, The purpose of enhancing the management level of the meter reading of power enterprises, web services based GSM automatic meter reading system is put forward the characteristics of GSM technology and Web Services technology are analyzed, and the architecture of web services based GSM automatic meter reading system.
Smart and Intelligent GSM based Automatic Meter Reading & Control System Dept., of CS&E ,VVCE Page 4 Microprocessor-based automatic meter reading system is implemented, which provides a cost-effective, reliable, and interference free data transfer between remote meter reading units and the utility control centre. The meter reading and management processes are free from human involvement. Based on the existing telephone networks, it is very flexible for the utility companies to access, service and maintain this meter reading system. A user friendly and window based user interface is designed which fully utilizes the personal computer's terminate and stay resident programming technique to achieve communications between the remote meter reading units and the personal computers in the utility control center. This paper describes the hardware design of the remote reading unit and the software implementation of the communication module and user interface. 2.3GSM Based Automatic Meter Reading System Using ARM Controller Bharat Kulkarni, To implement GSM based aARM system, an ARM processor based board is used. It uses a 32-bit processor with on-chip ADC, timer/counter module, PWM and UART module to interface a GSM modem and energy meter. The energy meter which generates the pulses as well as count the energy consumed is used. The digital energy meter is having a LED which blinks for a specific number of times to indicate the energy consumed (e .g. 1 Unit = 1600 pulses). These pulses are fed to ARM based system which is programmed to count these pulses. The system reads these pulses and after counting specific number of pulses it increments the internal counter by one which indicates the number of units consumed. 2.4 Automatic Power Meter Reading System Using GSM Network The GSM Power Meter is the integration of a single phase Class 1,IEC61036 standard compliance digital kWh power meter and a GSM modem. A SIM card with a unique special service number is require for the GSM power meter to receive and to reply its meter reading to the energy provider using SMS On the ICT side the eBIS application software was installed in the application terminal where the energy provider operator uses to perform meter reading routine in the monthly interval through the GSM network.
Smart and Intelligent GSM based Automatic Meter Reading & Control System Dept., of CS&E ,VVCE Page 5 The design of the GSM Power Meter is an integration of a single phase Class1, IEC61036 standard compliance digital kWh power meter, Power to Communication (P2C) Interface board, Distribution Control Board and a GSM modem The digital power meter is used to measure the power consumption drawn from the energy provider sub station to the consumer in kWh unit. A Single Phase digital Watt Hour Meter ATec12 from ATec was chosen for GSM Power Meter implementation. The Power to Communication (P2C) interface board is used to interface the impulse and synchronize count from the power meter optocouple circuit and to store the meter reading into its internal non-volatile EEPROM memory at every single impulse count interval. In the event of power failure the last meter reading information will be stored in the EEPROM. Upon power restoration the power microcontroller will retrieve the last meter reading and to continuous sync with the digital power meter. GSM modem SIM-T03 from SIMCOM was chosen to use in the prototype implementation. The GSM modem used a RS232 serial communication protocol and AT command to communicate to the power meter.
Smart and Intelligent GSM based Automatic Meter Reading & Control System Dept., of CS&E ,VVCE Page 6 Chapter 3 Methodology 3.1Architecture ofAutomatic Meter Reading &Control System: Fig 3.1 shows Architectureof Automatic Meter Reading System& Control System: AMR Continuously monitor and record the energy meter. This can be achieved by using microcontroller unit. Microcontroller unit are interfaced with digital energy meter. Microcontroller unit are interfaced with the RTC by using 2 wire serial interfaces for date and time and RTC memory are also used as data storage permanently. Microcontroller unit are also interfaced GSM modem for remote monitoring and control domestic energy meter. The data received through GSM Modem and network. Data is being sent to the AMR on request and within a particular interval. Once the meter received the request of data from the energy provider, SMS gateway will immediately reply the meter reading with that date and time. The data received from meter is stored in database server through SMS gateway for processing and record. This data received from meter are stored in database server according to Meter ID that is providing to customer house. At the end of each month the server using the detail of database server and calculate the bill amount and send the complete detail of consummation
Smart and Intelligent GSM based Automatic Meter Reading & Control System Dept., of CS&E ,VVCE Page 7 of unit, and total bill amount. User can verify the sameAMR possess have transparency on the part of customer and Service provider. 3.2 Workingof GSM based AMR& Control System:- 3.2.1 Meter side Fig 3.2.1: Block Schematic for GSM based power meter reading& Control System (Meter side) The figure 3.2.1 shows the block schematic for the meter side for the measurement of meter reading from the remote location. The message which is send by the server side for the request of the reading which is firstly received by the GSM modem, then microcontroller(Master) first read the message from the sim card, then Master controller will communicate with the slave microcontroller which is continuously taking the reading from the meter via serial peripheral interface, the slave who setup the communication with master and slave will send the current reading which is store in the Stack of the slave will send it to the Master microcontroller. The message which is replied on the request of the server which is receive by the server’s modem , then the modem will forward the message to the database for the data collection system the whole system for the server side is shown in figure 3.2.2
Smart and Intelligent GSM based Automatic Meter Reading & Control System Dept., of CS&E ,VVCE Page 8 3.2.2 Server side Fig 3.2.2: Block Schematic for GSM based power meter reading& Control System (Server side) The message send from the server side or from user to control the power of the appliances which is receive by the GSM modem shown in fig 3.2.2, the microcontroller reads the message of the sim and it according to the data of the message like how much power need to control, is given to Zero crossing detector, zero crossing detector generates delay for the particular which decides for how much time Triac is on or off, accordingly the internal PWM will drive the loads with the help of phase reference of AC cycle. 3.3 DataFlow Diagram of AMR& Control System: 3.3.1 Meter side
Smart and Intelligent GSM based Automatic Meter Reading & Control System Dept., of CS&E ,VVCE Page 9 Fig 3.3.1: Meter side program flow According to the hardware circuit design features, meter reading terminal program flowchart was introduced as shown in figure 3.3.1. First the system initializes each module, and then reads the meter reading regularly and stores them. When the receiving the command, meter send the current status along with the energy consumption 3.3.2 Server side Fig3.3.2: Server side program flow According to the hardware circuit design features, server side terminal program flowchart was introduced as shown in figure 3.3.2. First the system initializes each module, and then the server which send the reading request to the meter through GSM modem. When the server receives the reading, it will store the data in the database and sends the consumption to the user via sms.
Smart and Intelligent GSM based Automatic Meter Reading & Control System Dept., of CS&E ,VVCE Page 10 3.4 System Design: In fig.3.4 shows a complete set up of GSM based energy meter .Microcontroller interfaced withGSM module and energy meter .Pulse and unitin energy meter are continuously incrementaccording to power consumption. Forimplementation of AMR a SIM card is requiredfor the GSM modem of energy meter .AIdentification (ID) number allotted according to SIM contact number. According to requirementof data electricity department sent a message toparticular energy meter. When microcontrollerreceived a message its respective port bit arehigh and an interrupt signal occur. Microcontroller starts to execute to the interruptservice subroutine until it reaches lastinstruction of the subroutine. After executing of RET instruction microcontroller return to mainprogram that is increment of pulse program.After Every one month data will be received bythe electricity company automatically andElectricity Company can be access the systemat any time on request. Fig 3.4 shows the Design of GSM based AMR& Control System
Smart and Intelligent GSM based Automatic Meter Reading & Control System Dept., of CS&E ,VVCE Page 11 3.5 System Implementation Fig: 3.5 Implementation of GSM based AMR & Control system The complete system is made up of multiple GSM power meters installed inthe city, SMS gateway, Application Terminal, Database Server, Email Server, Printerand Web server. The GSM power meter is working in conjunction with the GSMnetwork to retrieve power meter reading. The GSM power meter is a single phase digital kWh power meter which utilizes the GSM network to send the power usagereading back to the energy provider wirelessly upon request from the energy providerSMS gateway. The GSM Power Meter is the integration of a single phase Class 1,IEC61036 standard compliance digital kWh power meter and a GSM modem. A SIMcard with a unique special service number is require for the GSM power meter toreceive and to reply its meter reading to the energy provider using SMS. The specialservice number SIM card is working similarly with mobile phone number except it isnot meant for voice service. The SIM card service number is also use to identify andretrieve the owner or customer details from the database server for billing purposes.On the ICT side the eBIS application software was installed in the applicationterminal where the energy provider operator uses to perform meter reading routine in the monthly interval through the GSM network. Upon meter reading execution the SMSgateway performs cell board casting of
Smart and Intelligent GSM based Automatic Meter Reading & Control System Dept., of CS&E ,VVCE Page 12 request SMS to all GSM power meter to request for their meter reading. Once each individual GSM power meter received the requestSMS from the energy provider SMS gateway, they will immediately response bycomposing its reading in six digits kWh unit and reply to the energy provider SMSgateway by SMS. All the received SMSes will be stored in the SMS gateway. Upon completion within a given period of time, the eBIS willstart to sort the received SMS according to the post code area based on the GSM powermeter number. From the sorted list it also look for any non reply GSM power meter dueto SMS data packet loss and compiled a list for second request. After second request isexecuted and if there is still no reply, a field engineer will be sent to carryout fieldinspection on the particular faulty GSM meter to rectify the problem. After thecompletion of the meter reading request the application terminal will starts to retrieve the meter reading from the SMS gateway and to store and update to the database serveraccordingly. From the database eBIS will starts to calculate the billing amount for anindividual meter base on the tariff rate from the energy provider. The billingnotifications are sending to an individual owner through Email by the Email Server, SMSto the owner through SMS gateway and hard copy printing through the Print Server forpostal mail for owner who prefer hard copy bill. A Web portal is setup at the Webserver to provide easy checking and pay online services. Once the owner received thebilling notification from SMS, Email or hard copy printing bill, the owner can accessthe web portal and logon to check their billing detail since the web server is linked tothe database server. The owner can choose to pay their bill online using credit card asthe web server is connected to the e-commerce server that handles any bankingtransaction. The owner can choose to pay their bill by cash at any of the energy provideoutlet that have access to the eBIS application terminal. The owner can use their mobile phone as well to retrieve their own GSM power meter reading verification. This can be achieved by just sending a check SMS to the owner GSM power meter number. Oncethe GSM power meter receive the SMS it will then compose the current meter readingand reply to the owner using SMS. With this the owner can also monitor their power Usage anytime and anywhere. In the event if the consumer fail to make payment after the payment date, the eBIS will send a power cut SMS to the particular GSM powermeter to cut off the power supply to the consumer at the same time also notified the consumer through SMS that their power supply has been cut off due to no payment. Once payment has been made, the eBIS will send a power restore SMS to the particularGSM power meter to restore power supply to the consumer.
Smart and Intelligent GSM based Automatic Meter Reading & Control System Dept., of CS&E ,VVCE Page 13 CHAPTER 4 FEATURES&APPLICATIONS 4.1 Features: Provides user friendly remote energy meter monitoring. Supports controlling of meter. Can be controlled anywhere in the world. Non-volatile memory based energy-reading storing. Auto disconnect feature. 4.2 Comparison between Automatic Meter Reading System and Conventional Metering System Table1 comparison between amr and conventional meter
Smart and Intelligent GSM based Automatic Meter Reading & Control System Dept., of CS&E ,VVCE Page 14 4.3 Advantages of GSM based AMR On Company Side:- Smart automated processes instead of manual work. Detection of tampering alerts from Meters. Accurate measurement of transmission losses. Streamlined high bill investigations. E-Waste scalability to handle any number of remote locations Data transfer integrity and load tested for receiving data from multiple locations Remotely connect/ Dis-connect power supply through meter. On Consumer Side:- Precise consumption information Clear and accurate billing Automatic outage information and faster recovery Better and faster customer service 4.4 Dis-Advantages of GSM based AMR GSM network’s Failures Little Expansive to implement this system GSM modem battery failures 4.5 Applications of GSM based AMR & Control system Applications: Electricity departments. Household Energy meter monitoring. Railway electrical systems. Industrial Energy remote monitoring. Remote controlling systems.
Smart and Intelligent GSM based Automatic Meter Reading & Control System Dept., of CS&E ,VVCE Page 15 Table 2list of technology choices available for different uses Many of the Clients usingGSM based AMR as shown below
Smart and Intelligent GSM based Automatic Meter Reading & Control System Dept., of CS&E ,VVCE Page 16 Chapter 5 Result Analysis Table 3 Analysis of cost in different aspects Fig 5.1AMR Business Case
Smart and Intelligent GSM based Automatic Meter Reading & Control System Dept., of CS&E ,VVCE Page 17 Output Fig 5.2: output analysis
Smart and Intelligent GSM based Automatic Meter Reading & Control System Dept., of CS&E ,VVCE Page 18 Future Enhancement: Fig Prepaid Metering System Prepaid Metering System:- It is a computerized automatic charge collection system. GSM Service provider is the first organization that has introduced the Prepaid Metering System for single or 3-Phase power supply. Prepayment metering is simple and user friendly. Prepayment or “pay as you go” has been accepted by the utilities worldwide as a way to improve customer service, cash flow and the revenue cycle. It is altogether a new arena in India and is likely to be important for revenue and energy management. This will benefit the State Electricity Boards (SEBs), private utilities and the electricity consumers.
Smart and Intelligent GSM based Automatic Meter Reading & Control System Dept., of CS&E ,VVCE Page 19 CONCLUSION The development of GSM based energy meter demonstrates the concept and implementation of new power metering system. GSM based AMR have low infrastructure cost, low operating costs, more data security and less man power required. It not only solve the problem of manual meter reading but also provide additional feature such as power disconnect, power connect , power cut alert and tempering alert customer can also pay bill via online login on authenticated web. Data base server can stored the current month data and also all previous month data for future use. So it saves a lot amount of time and energy.
Smart and Intelligent GSM based Automatic Meter Reading & Control System Dept., of CS&E ,VVCE Page 20 REFERENCES  Md. Wasi- ur-Rahman, Mohammad Tanvir Rahman, TareqHasan Khan and “Design of an Intelligent SMS Based Remote Metering System” Proceedings of the International Journal of Engineering Research & Technology (IJERT) Vol. 1 Issue 3, May – 2012 ISSN: 2278-0181 www.ijert.org 5 IEEE International Conference on Information and Automation  Tanvir Ahmed, Md Suzan Miah, Md. ManirulIslamAnd Md. Rakib Uddin “Automatic Electric Meter Reading System:” Proceeding of the International Journal of Engineering and Technology Volume 8 Issue 3 2011  Wu Kehe Zhang Xiaoliang ; Wang Yuanhong ; XuYuhan , ” Design and implementation of web services based GPRS automatic meter reading system”,3rd international conference Aug 2001.  Ll Li, Xiaoguang Hu, Jian Huang (2008), Research on the Architecture of AMR Reading in Next Generation Network, The IEEE International Conference on Industrial Informatics Websites www.ijera.com eeexplore.ieee.org http://www.amr-ami-systems.com http://ijarcet.org/index.php/ijarcet/article/view/148 http://www.edgefxkits.in/embedded/gsm-based-energy-meter-reading-with-load-control
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