This paper presents a smart energy meter for an automatic metering and billing system. This evm has builtin support for measuring ac voltage, current, active power, reactive power, apparent power, frequency, power factor, dc. This document describes how to use the mcp3909 dspic33f 3phase energy meter reference design as a development tool to emulate and debug firmware on a target board. What is the solution for the drawbacks of commonly used energy meters.
Digital calibration is fast, efficient and can be automated, removing the timeconsuming manual trimming. There is a multiparameter measurement, multiway communication and other functions for the mcu. Results the hardware design of the energy meter has been completed and implemented. The meters currently in use are only capable of recording kwh units. Energy meters are the basic part to measure the power consumption. Singlephase electric meter with isolated energy measurement. Mcp6l2 and pic18f66j93 energy meter reference design users. The recorded data need to be processed by a meter reading company. It is used everywhere, no matter how big or small consumption it is. Design and assemble of low cost prepaid smart card energy. In this design of wireless energy meter the ade7752 used as energy metering ic. This document is the manual for the single phase max 100 a energy meter. This low cost design uses a shunt for the current sensor in place of expensive current transformers.
A complete article on how to design a smart energy meter can be studied here side note. During this testing process meter consistently works with accuracy. The digital photo is then inspected at a central location, by a person who enters the number into a computer. Describe any\ nenergy challenges associated with the building type, intensity of use, or hours\nof operation, and how the design responds to these challenges. Designing a tamper proof energy meter with kinetis km34 nxp. Energy meters measures the electricity consumed by a singlephase or threephase circuit downstream of the electricity distribution metering. Energy meter design iot based single phase three phase. This paper presents design and construction of a threephase smart energy meter. Among the many communities we serve are las vegas, renosparks, henderson, elko. Efforts such as the advanced metering infrastructure ami, automated meter reading amr and the other phases of intelligent grid management are all part of the smart grid.
Design of a smart electricity meter final report p. Valluru department of electrical engineering, delhi technological university formerly delhi college of engineering bawana road, delhi110042, india. To improve the economic benefits of electric power enterprises, it is. The design meets all requirements for ansiiec class 0. I am inaudible, and welcome to build your own emeter deep dive session. This design implements a highaccuracy singlephase embedded energy measurement application using msp430afe253. We also provide natural gas to more than 145,000 customers in the renosparks area. It is a state of theart technology for obtaining electrical energy meter readings from anywhere automatically without human intervention. Design and implementation of wireless energy meter system arxiv.
Design and implementation of remotely located energy. In some areas, the meter reader must walk to each meter, which takes a lot of staff time. Direct connection, either using the rs485 to usb interface with 1. Pdf a prototype design for three phase smart energy meter. It is used in domestic and industrial ac circuit for measuring the power consumption. Electromechanical energy meters have been the standard for metering the electricity since billing began. Pdf this paper presents design and construction of a threephase smart energy meter. In present complex and advanced scenario, even small utility companies are.
Displays electricity consumption in kwh, as well as current, active energy, reactive energy and power. For advanced microcontrollerbased meter products, this design also serves as the design of the analog frontend afe. The energy is the total power consumed and utilised by the load at a particular interval of time. The sma energy meter calculates phaseexact and balanced electrical measured values and communicates these via ethernet in the local network. Different load devices are connected to test the current handling capability of the meter 10w to w. In this meter energy utilized and the corresponding amount will. This occurs after submission of complete supporting documentation, satisfactory net metering verification, and completion of utility safety inspection. The mcp3905a06a energy meter reference design is a standalone, singlephase residential meter design for activeenergy meter designs. Utilities are one of the electrical departments, which install these instruments at every place like homes, industries, organizations, commercial buildings to charge for the electricity consumption by loads such as lights, fans, refrigerator, and other home appliances. Grid meter, and used as control input for an ess system 1. Design of energy meter with one second logic for energy calculation 1shweeta koraddi, 2dr.
Product overview important information on using the mcp6l2 and pic18f66j93 energy meter including a getting. Design and implementation of smart energy meter ieee. Document layout the microchip web site customer support document revision history document layout this document provides an introduction to utility metering. Energy meter monitoring and digital billing system is a kind of system which would be able to avoid traditional meter reading, save human resources, improve the accuracy and prevent the power theft. It consumes a small amount of power, typically around 2 watts. For the circuit above, the drive provided is approximately 25 ma. Hardware circuit and software flow of the system are introduced. Designing a metering system for small and mediumsized buildings. The meter is designed to overcome the defects of mechanical meters such as moving parts. Pdf design and implementation of wireless digital energy.
This system enables both electricity consumers and the utility company to remotely monitor the electricity consumption. An electricity meter, electric meter, electrical meter, or energy meter is a device that measures the amount of electric energy consumed by a residence, a business, or an electrically powered device electric utilities use electric meters installed at customers premises for billing and monitoring purposes. Ascenten has profoundly benefitted meter manufacturers who have associated themselves with the company and has come out with innovative products and technologies for both industrial as well as domestic metering. One single phase energy meter, one single phase load, stop watch and connecting wires. What are the advantages and disadvantages of usual energy meters. Rotary gas meter cgr design and function page 2 general technical data page 3 measurement outputs page 4 dimensions page 5 selection of cgr rotary gas meter page 7 pressure loss page 8 installation and operation recommendations page 8 the majority of applications are regional or local gas stations. Energy performance assessment of boilers bureau of energy efficiency 1 1. The electromechanical induction meter operates by counting the revolutions of an aluminium disc which is made to rotate at a speed proportional to the power. This design inclu des a lowcost dc powe r supply circuit and.
They are typically calibrated in billing units, the most common one being the kilowatt. Design and implementation of wireless digital energy meter using microcontroller article pdf available february 2012 with 1,047 reads how we measure reads. Here we discuss the construction and working principle of induction type energy meter. Sem is an electric device having energy meter chip for measuring the electric energy consumed and a wireless protocol for data communication.
Energy meter or watthour meter is an electrical instrument that measures the amount of electrical energy used by the consumers. A mdc is a software or a websiteserver to manage the data collected from consumers. Design and implementation of gsm based smart energy meter sem for home applications 434 figure 2. Overview of single phase induction type energy meter. Pdf this paper produces the design and building a system that gives a solution to the measurement of energy and helps the local customers. So this paper presents of design and development of automatic meter reading amr system. The circuit shown in figure1 is the circuit of energy metering keywords. In many cases, this is done from a car, where the meters dial is photographed using a camera with a telelens. If a meter is used in combination with a current transformer. Nv energy proudly serves nevada with a service area covering over 44,000 square miles. Energy meter circuit detailed project with source code.
Pic18f87j72 single phase energy meter reference design. The kwh units used then still have to be recorded by meter readers monthly, on foot. How are these strategies evident in the design, not\njust the systems. The installation of the et meter and nenergy storage meter ing by nv energy. First im going to give introductions to energy metering, talk about the basics emetering, and then barts going to talk about the different power supplies. The complete monthly usage and due bill is messaged back to the customer after processing these data. Describe\ nenergy efficient design intent, including passive design strategies and active\nsystems and technologies. Working of single phase induction type energy meter the basic working of single phase induction type energy meter is only focused on two mechanisms. Here is a lowcost and accurate emeter from ti meeting the accuracy requirements of class 0. Single phase supply, wem, microcontroller in this design of wireless energy meter the ade7752 used as energy metering ic. Design and implementation of a singlephase energy meter. The paper is designed for modernization of the electric power grid, often called smart grid by it. Design of energy meter with one second logic for energy. In this way, all data on grid feedin and purchased electricity as well as pv generation by other pv inverters can be communicated to sma systems frequently and with a high level of precision.
Amr system is a boom for remote monitoring and control domestic energy meter. Pdf automatic energy meter reading using smart energy meter. This design implements a complete smart meter design using the msp430f67641 polyphase metering system on chip. The meter which is used for measuring the energy utilises by the electric load is known as the energy meter. Pdf design and building a singlephase smart energy meter using. Design and assemble of low cost prepaid smart card energy meter a novel design sudarshan k. Automatic or manual switching from the primary supply to an auxiliary. Manikandan easun reyrolle ltd abstract this paper briefs on the smart meter functionality requirements and discusses the challenges it poses to the energy meter design and proposes methods to achieve an architecture which is scalable and modular. Mechanism of rotation of an aluminum disc which is made to rotate at a speed proportional to the power.
Both models provide electrical measurements such as voltage and current values, meters for active and reactive energy, both imported and exported, harmonic distortion thd. Taking into account the demands of multifunction meter with high reliability and low cost, a singlephase multifunction energy meter is designed based on the msp430fe427. The energy meter will display measurements in the range of. This meter is designed for singlephase, 2wire distribution systems. The work in this paper, smart energy metering system based on gsm modem, overcomes the difficulties of the traditional system. For electricity duty exemptionrefund application, pl check. An916 a multifunction power meter reference design based on. To study the construction and working of single phase energy meter and to find out energy consumed in 30 minutes. Energy meter is an instrument which measures electrical energy. Traditional metering methods for retrieving the energy data of consumers is not convenient. The number of revolutions is thus proportional to the energy usage.
Ascenten has an outstanding track record of designing smart energy meters and unique gas flow meters. This report describes work that i did on the design and implementation of a smart electricity meter for measuring the use of residential energy. Deterioration of fuel quality and water quality also leads to poor performance of boiler. The meter is provided with a field to which entries can be made for this purpose ct or vt factor.
Design and implementation of wireless energy meter system. The pic18f87j72 single phase energy meter reference design ard00280 is a fully functional single phase meter featuring the pic18f87j72 mcu with analog front end. Calibration occurs in the digital domain for electric meters. Facilities instructions, standards, and techniques volume 310 watthour meter maintenance and testing internet version of this manual created december 2000 facilities engineering branch denver office denver, colorado the appearance of the internet version of this manual may differ from the original, but the contents do not. The eeprom provides nonvolatile storage of various coefficients as well as the accumulated energy. Wireless automation in the generation, transmission and distribution of electricity and billing has come of age. Presented here is a simple energy meter using analog devices ade7757 chip for singlephase, 2wire phase and neutral systems used in households.
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