SINGLE PHASE INTELLIGENT GSM BASED PREPAID ENERGY METER

In this project, an intelligent GSM based prepaid energy meter is developed. The system is able to accurately calculate the amount of consumed energy by a certain facility (e.g.: house / store…etc.), display the remaining energy available from a pre-purchase of electricity, by which is done by the means of recharge through SMS service. The energy meter also provides the utility company with regular status of the meter on a predefined interval, consisting of the user’s account update, by retrieval of the balance of the meter, and keeping log of the consumed and remaining electricity of each user, also by means of SMS.With the rapid advance in technology in our present time, everything in our daily life is developing accordingly, and energy meters are no exception to this phenomenon. In this project, an intelligent GSM based prepaid energy meter is developed. The system is able to accurately calculate the amount of consumed energy by a certain facility (e.g.: house / store…etc.), display the remaining energy available from a pre-purchase of electricity, by which is done by the means of recharge through SMS service. The energy meter also provides the utility company with regular status of the meter on a predefined interval, consisting of the user’s account update, by retrieval of the balance of the meter, and keeping log of the consumed and remaining electricity of each user, also by means of SMS. The utility company is also able to send updated consumption rates according to the Time of Day Tariff (TOD Tariff) to the meter on pre-defined intervals. The system was designed and implemented on a trivial load level. The hardware for this system consisted of different analog and digital components and interfaces between them, such as latches, MAX 232, a microcontroller and so on. The software for this system was implemented with the use of embedded system code inC programming languagethat was written onto the microcontroller. This project successfully designed and implemented an efficient way to collect billings for electricity consumptions, and further facilitate the recharge process of meters currently being used. Further more, this system will revolutionize the entire metering system used in our country in the not so far future, if this project is to be implemented on a nation wide level