This is used in each and every house and industry for calculating the energy consumed by them. Prepaid electricity energy meter is a good concept in which you can recharge its balance, like we do in our mobile phones. This paper presents a single phase electrical energy meter based on a microcontroller from microchip technology inc. Iot based electricity energy meter using esp12 and arduino. Gsm based programmable energy meter with bill estimation display. An4164, a singlephase energy meter with capacitive power. An electric meter or energy meter is an essential device that goes with consumption of commercially distributed energy. Schematics for the v oltage sensing circuit and the current sensing circuit have also been provided.
In this project we also use relay and relay drive so that if arduino fails or stop working, it automatically discontinued power supply to user and we get the information about it. Utilities is one of the electrical departments, which install these instruments at every place. The following is a basic explanation of how bidirectional metering works. To read left to right on increasing signal strength, the meter deflects from right to left when current is increased. Implementation of a singlephase electronic watthour. Aug 21, 2019 circuit schematics and the source code here. Implementation of a singlephase electronic watthour meter using. Singlephase energy meter with 80 a maximum current based on. Actually, to say the ac power meters measure the 100v ac current is flowing in the power cord over do it. It enables systematic pricing of energy consumed by individual consumer as it measures the amount of electrical energy consumed by a residence, business, or. A 3phase energy meter has same elements as in case of a singlephase energy meter. The design equations for the power supply are given in.
Wiring of the distribution board from energy meter to the. Whether for single or polyphase meters we have the right ingredients for accurate energy measurement and efficient communicat. Single phase electricity explained wiring diagram energy. An energy meter is used to measure the energy consumed in the kilowatt hours. In general, the voltage is measured casually, is difficult to measure the current. Design and building a singlephase smart energy meter using arduino and rf communication system conference paper pdf available march 2018 with 11,716 reads how we measure reads. It is used in domestic and industrial ac circuit for measuring the power consumption. Gsm based energy meter billing using arduino mega 2560. Circuit diagram for iot based energy meter using arduino and nodemcu is given above, connect esp12 as below. The reading of the energy meter is also sent to the cell phone of the user by a message through gsm modem. The goal for the energy meter design is to create a class 1 meter based on the iec. Gsm based programmable energy meter with bill estimation. Design and implementation of wireless energy meter system for.
The digital energy meter is connected to an optoisolator and the for every electrical signal input from the energy meter, the led sends light pulses to the optotransistor, which converts them to electrical high and low pulses which are send to the microcontroller. Wireless energy meter is a system developed to serve as a basic singlephase energy meter with advanced functionalities such as peak hour setting, peak load setting wireless reading transmission. In most meters, the pulses per kwh decide this energy tick. This paper produces the design and building a system that gives a solution to the measurement of energy and helps the local customers to save the power in an efficient manner. Electronic energy meter is based on digital micro technology dmt and uses no moving parts. Energy meter or watthour meter is an electrical instrument that measures the amount of electrical energy used by the consumers. Trivector meter is an energy meter which accurately measures all the parameters of supply such as voltage, current, power factor, active load, reactive load, apparent load etc. Electricity meter integrated circuits and reference designs.
The following is the electrical interface circuit for the meter. Arduino uno, as the main controller, connect energy meter, gsm module, and other sensorsperipherals so. A singlephase energy meter prototype has been implemented in the lab to provide measurement up 10 a load current from a 127 v line voltage. The block diagram of microcontroller based electricity consumption meter is shown in the figure which consists of different blocks as mentioned above. The meter supports activereactiveapparent energy measurement, and it supports different communication. The total energy is the sum of the reading of both the elements. This dc voltage source can be generated in several ways. Threephase ctpt operated keypad energy meter 10 shenzhen inhemeter co.
Energy meter circuit detailed project with source code. We have used this sensor to make digital ammeter circuit using pic microcontroller and acs712 circuit diagram circuit diagram for iot based energy meter using arduino and nodemcu is given above, connect esp12 as below connect rx of esp12 tx of arduino. Amr continuously monitor and record the energy meter. Block diagram of measurement using electronic energy meter by edgefx kits. Watthour meter is in fact a measuring device which can evaluate and records the electrical power passing through a circuit in a certain time. Jun 30, 2018 working principle and construction of energy meter video lecture of measurement of capacitance chapter in subject electronic instrumentation and measurement for electrical, electronics, extc. Prepaymentprepaid energy meter introduction and working. Energy meter is another important one in this system. Prepaid energy meter project using arduino circuit digest. Cb and mcb circuit breaker wiring connection and installation.
The electronic energy meter is also better protected against tampering than its mechanical predecessor, and units for prepaid operation e. Figure 5 circuit diagram of prepaid energy meter to the above diagram gsm technology is included to send messages to the customer about the balance amount and if the amount is totally used up then we shut down the power after alerting user. Gsm based energy meter billing using arduino mega 2560 smart. Energy meters are the basic part to measure the power consumption. Design of a smart energy meter with overload trip facilities ijeat. The meter which is used for measuring the power of three phase supply is known as the three phase energy meter. The meter will read the money from the prepaid card and will recharge the meter.
The phasor diagram of the energy meter is shown in the figure below. Energy pulses are generated and also indicated via leds on the board. Current sensor is used to measure current flowing to load from solar panel. Design and implementation of wireless energy meter system. This electronic meter does not possess any rotating parts, and the. Electricity power theft prevention techniques, working and. Pdf a single phase microcontroller based energy meter. The meter which is used for measuring the energy utilises by the electric load is known as the energy meter. The conventional method of electricity billing involves a person from the distribution unit reading the number of units of electricity consumed in the energy meter, conveying this information to the distribution unit and then preparing the bill according to the units consumed for a fixed amount of time. The ade7752b specifications surpass the accuracy requirements as quoted in the iec6205321 standard.
Design and implementation of wireless energy meter system arxiv. Sometimes the smeter is used with a separate amplifier circuit. In this project we are building a automated system by using arduino and gsm module. Pdf design and building a singlephase smart energy meter using. Design and building a singlephase smart energy meter using arduino and rf communication system.
The main goal of this project is designed to read the electrical energy paid in units and also in rupees to show on an lcd display. Pdf this paper presents a single phase electrical energy meter based on a microcontroller from. Smeter circuits radio receivers amateur radio archive. Implementation of a singlephase electronic watthour meter using msp430afe2xx rev. Threephase ctpt operated keypad energy meter operation. Figure 2 show that microcontroller unit is interface with energy meter and lcd. At the right side of the diagram is a solar panel which energy you want to measure. 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. It is used everywhere, no matter how big or small consumption it is. Why threephase power not only delivers real cost savings but creates a more efficient data center. In order to make a conventional energy meter smart. Pdf design and building a singlephase smart energy. So the eem is known as static energy meter in eem the accurate functioning is controlled by a specially designed ic called asic application specified integrated circuit.
The principle of operation of trivector energy meter is explained with the help of block diagram. Ade7752b 3phase, 3wire, and 4wire energy metering ic. Voltage from the mains is fed directly to an rcbased circuit followed by rectification circuitry. Notice in the diagram at the bottom of page 57 that a. However, in the case of load present, there would be a valid input signal on the current channel so energy would be consumed. Meter enclosure a wood or metal cabinet, or metal socket, installed indoors or outdoors, in which the companys metering equipment is located. How electricity reaches our homes from the power station. To explain the hardware part of the project, i am going to break the circuit into small parts so that it will be easy to understand. There is one analog pin available in nodemcu esp12, we could use that pin but esp series can take upto 3. These devices are designed for effective measurement of active, reactive and apparent energy in a powerline system using current transformer. Electronic meters measure energy using highly integrated components or other customized integrated circuits. The only analog circuitry used in the ade7752b is in the analogto. Microcontroller based wireless energy meter working. Jul 25, 2018 energy meters are the basic part to measure the power consumption.
Here we discuss the construction and working principle of induction type energy meter. The connection and circuit diagram of singlephase 3phase,4 wire kwh meter digital or analog energy meter from the supply to the main distribution board in the above graphics and diagrams, p in incoming phase or live from the source supply voltage. Pdf design and building a singlephase smart energy meter. Threephase ctpt operated keypad energy meter operation manual. The meter complies with dlmscosem and is certified with dlms certificate. Meter records correct energy with same accuracy under reverse current connection led indication for current reversal tampering provided phase available indication provided meter works accurately under earth load condition other rating on request. Figure 5 circuit diagram of prepaid energy meter to the above diagram gsm technology is included to send messages to the customer about the balance amount and if the amount is totally used. Meter a device for measuring the electric power and energy supplied to a customer. The energy is the total power consumed and utilised by the load at a particular interval of time.
The fourth and the most serious setback of the electromechanical energy meter is its nointerface capability to external devices. For the circuit in figure 3, the approximate drive provided approximately 12 ma. Bidirectional and unidirectional energy measurement configurable for different meter ratings precision, energy measurement. This device is specifically designed to provide all the necessary features to implement a single phase energy meter without any other active component. Since the voltage on the neutral channel is zero, so is the power p v x i. Pdf this paper produces the design and building a system that gives a solution to the. An analogue to digital converter is used to sample voltage and current relative to incoming waveform. The three phase meter is constructed by connecting the two single phase meter through the shaft. Electrical energy meters principles and applications. Electricity meter integrated circuits and reference. The stpm01stpm10 energy metrology ics incorporate all the core circuitry required to implement the metrology of a class 1 electricity meter as well as that of a din or home smart plug meter.
Full house wiring diagram using single phase line energy. By implementing the watthour meter, we can know how much amount of electrical energy is used by a consumer. Whether for single or polyphase meters we have the right ingredients for accurate energy measurement and efficient communications. Chapter 03 the ecs series energy meters ecs180 singlephase energy meter dimensional drawing sealable clamp terminal circuit diagram all dimensions in mm.
Now we need to take pulse from energy meter to arduino to calculate pulse. Distribution board installation without rcd residual current device. We made a device to measure the power consumption of appliances. Wireless energy meter is a system developed to serve as a. The stpm1x device family consists, essentially, of two. The ade7752b1 is a high accuracy polyphase electrical energy measurement ic. Solar energy measurement system using pic microcontroller.
Block diagram this paper consist of following blocks arduino uno avr controller is central for all controlling this smart energy meter. You can recharge the electricity balance through this system, just by sending a sms. Diy home electric supply wiring installation tutorial. Hence, there is no voltage input and therefore no output would be generated by the main capacitive power supply. Microcontroller unit continuously monitor the energy meter and pulses display on lcd. Throughout north america, homes are powered by 120. Bidirectional metering is available to customers who install renewable fuel generators such as solar, wind, hydro or biomass sources and operate the generator in parallel with their electric companys electrical system.
Electronic meters need for prepaid energy meter system. For example, in this application, the number of pulses generated per kwh is set to 1600 for active and reactive energies. Our integrated circuits and reference designs help you create smarter electricity meters with advanced security and connectivity features to meet system design requirements. The meter which is used for measuring the energy utilises by the electric load is known. To cut off a part of the circuit current flow from a current meter must be connected to it.
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