talking energy meter cicuit diagram
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Talking Energy Meter
The purpose of this project is to build a KWH (Kilo Watt Hour) meter that can
alert the users with voice messages. An Energy meter or KWH meter is a device that
measures the amount of electrical energy supplied to or produced by a residence, business
or machine. Electricity is a clean, convenient way to deliver energy. The electricity meter
is how electricity providers measure billable services.
The most common type of meter measures kilowatt-hours. When used in
electricity retailing, the utilities record the values measured by these meters to generate
an invoice for the electricity. They may also record other variables including the time
when the electricity was used.
The idea behind this project is to construct the Energy Meter that is useful for
illiterates and the busy people who cannot concentrate on the energy meter readings
because of their busy schedule. This system helps the users by alerting them about the
peak loads (max energy consumption), power status (ON/OFF), billing status etc. The
voice alerts could be in any local language. Hence this system can be used across the
world. The typical voice alerts are “Over load”, “Pay electricity bill”, “Turn off the
lights” etc.
This system also consists of a LCD display that continuously displays the energy
meter readings in real-time. This consists of Real-time clock for calculating the average,
max and minimum readings with respect to time. This information is display on a LCD
display.
This can be achieved by the use of microcontroller unit that continuously
monitors and records the Energy Meter readings in its permanent (non-volatile
EEPROM) memory location. Microcontroller also drives the voice module to play the
voice messages based on the energy meter readings.
This system also implemented for a single push button based load control for
turning ON or OFF the loads.

Design of GSM based Talking Energy Meter
Abstract

GSM based Talking Energy meter is a new concept in the measurement of electricity consumption remotely on periodic basis and alerting user regarding power consumption, overloading & tempering through Audio Signal. This method of measurement and data collection discards the conventional method of taking the meter reading manually. Though the Talking Energy Meter display and sounds the number of electrical units consumed by the user as well as warning signal at the load centre but on the other side, there is urgent need to develop a system which will transmit the units consumed by the individual user to the Power Utility Company(PUC). In this paper design of GSM based Talking Energy Meter is presented which will be able to communicate based on GSM network;for the transparency between the user and the PUC. The GSM based Talking Energy Meter(GTEM) consist of a energy meter connected with the compatible microcontroller, a display device, an audio module, GSM modem and a compatible software to capture, transmit and maintain the record of the electricity consumption data of a particular user.


Introduction

Traditional meter reading for electricity consumption and billing is done by human operator by visiting one place to another. This requires more time to collect data regarding energy consumption by user and also requires more labour operator. Moreover, human operator billing are prone to error as sometime some locations are not easily accessible for reading energy consumption. Sometimes bad weather conditions also restrict labour billing job. Printed billing has tendency of losing in the mail box. Also the user with busy work schedule does not constraint on energy meter for reading power consumption. Physically disable person are also unable to get information & alert signal regarding power consumption. In order to achieve efficient meter reading , reduce billing error and operation cost, facilitate handicapped user, GSM based Talking Energy Meter (GTEM) plays a vital role to address the above mentioned problems. GTEM is an effective means of data collection that allow substantial saving through reduction of meter re-read, greater data accuracy, allow frequent reading, improved billing and customer services, more timely energy profiles and consumption trends updates, more convenient for user with busy lifestyle, highly facilitation to physically disable persons and better deployment of human resource. With advancement in digital technology, analogue electro-mechanical meter is continuously replaced by digital electronic meter. Digital energy meter offer greater convenience to implement and establish automatic meter reading system electronically. Efficiency and reliability of retrieving meter reading in the GTEM was a major challenge. Various Automatic Meter Reading (AMR) methods & technologies using Power Line Carrier (PLC) Communications, Supervisory Control & Data Acquisition (SCADA), telephone modem, internet,Ethernet, Embedded RF Module, Wi-Fi, Bluetooth & Zigbee were established and developed to provide &demonstrate the solutions of efficiency , reliability and effectiveness of AMR. The above mentioned method have a number of drawbacks like higher cost, short distance, interference effect in communication channel,system complexity, error prone etc. With rapid development of Global System Mobile (GSM) infrastructure, in past decade has made wireless automatic meter reading system more reliable and possible.GSM based Talking Energy Meter (GTEM) based on GSM network is presented in this paper takes advantages of available GSM infrastructure nationwide coverage in the country and the SMS cell broadcasting feature to request and retrieve individual houses and building power consumption meter reading back to the Power Utility Company(PUC) wirelessly. The Audio Module of this Automatic Meter Reading (AMR) syetm alerts the user through audio signal about power consumption, bill due dates, meter overloading and/or meter tempering. This feature facilitate in alerting the customer having busy schedule and also to physically handicapped persons.

Existing System

Digital energy meter offer greater convenience to implement and establish automatic meter reading system electronically. Efficiency and reliability of retrieving meter reading in the GTEM was a major challenge. Various Automatic Meter Reading (AMR) methods & technologies using Power Line Carrier (PLC) Communications, Supervisory Control & Data Acquisition (SCADA), telephone modem, internet,Ethernet, Embedded RF Module, Wi-Fi, Bluetooth & Zigbee were established and developed to provide & demonstrate the solutions of efficiency , reliability and effectiveness of AMR. The above mentioned method have a number of drawbacks like higher cost, short distance, interference effect in communication channel,system complexity, error prone etc. With rapid development of Global System Mobile (GSM) infrastructure, in past decade has made wireless automatic meter reading system more reliable and possible.


Proposed System

GSM based Talking Energy Meter (GTEM) based on GSM network is presented in this paper takes advantages of available GSM infrastructure nationwide coverage in the country and the SMS cell broadcasting feature to request and retrieve individual houses and building power consumption meter reading back to the Power Utility Company(PUC) wirelessly. The Audio Module of this Automatic Meter Reading (AMR) syetm alerts the user through audio signal about power consumption, bill due dates, meter overloading and/or meter tempering. This feature facilitate in alerting the customer having busy schedule and also to physically handicapped persons.
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