Ecostruxure for your business ecostruxure lets you thrive in todays digital world. This manual is for single phase energy meter for active energy. Below are the the connections diagrams for installation of a single phase 3 phase, 4 wire kwh meter digital or analog energy meter from the supply to the main distribution board in home. C to the pressure coil circuit by means of phase shifting transformer. Sma energy meter universal recording of measured values for intelligent energy management the powerful measurement solution for intelligent energy management within the sma smart home. The operation of induction type energy meter depends on the passage of alternating current through two suitably located coils producing rotating magnetic field which interacts with a metallic disc suspended near to the coils and cause the disc to rotate. A9mem2110 modular single phase power meter iem2110 230v. Procedure for calibration and testing of single phase energy meter. What is the solution for the drawbacks of commonly used energy meters. The general circuit diagram of single phase electrodynamometer power factor meter is given below. The only analog circuitry used in the ade7752b is in the. A wide variety of single phase energy meter options are available to you, such as phase, display type. Single phase energy meters single phase energy meter. A singlephase meter is used in alternating current systems.
Working of single phase induction type energy meter the basic working of single phase induction type energy meter is only focused on two mechanisms. It is used in domestic and industrial ac circuit for measuring the power consumption. Mqxenabled mcf51em256 singlephase electricity meter reference design, rev. The function of recording or registering mechanism is to record continuously a number on the dial which is proportional to the revolutions made by the moving system. About 79% of these are energy meters, 2% are power meters. This article is only focused about its constructional features and its working. The meter reconciles the three phases and records your total usage as one total before recording any excess solar power. Tender specification for procurement of single phase energy meter with meter box tender notice no nesco utility 1 ph. The energy is the total power consumed and utilised by the load at a particular interval of time.
Power consumption is shown by a bar flashing at a rate of 100 times per kwh. A single phase 45 amp 1 module din rail mounted meter. Below are the the connections diagrams for installation of a singlephase 3phase, 4 wire kwh meter digital or analog energy meter from the supply to the main distribution board in home. Active energymeters for singlephase alternating current with a, 7 digits counter. A miniature circuit breaker of 32a or 40a is recommended. The meter complies with national and international metering standards. The total energy is the sum of the reading of both the elements. A single phase meter is used in alternating current systems. Combining pairing them by two multiplication steps two. Name of materials unit quantity cost of tender paper rs emd rs single phase energy meter of 1060 amp. Digital metering system of new generation smart substation in china. Construction driving system, moving system, braking syatem, and registering system 4. The three phase meter is constructed by connecting the two single phase meter through the shaft. Make better business decisions with scalable and converged itot solutions.
As an example, you are using 1kw of power on each of your three phases for a total of 3kws. Mechanism of rotation of an aluminum disc which is made to rotate at a speed proportional to the power. Single phase meter with direct connection and pulse or modbus rs485 outputand pulse or modbus rs485 output 44 44 67 67 67. Design and implementation of a gsmbased single phase prepayment energy meter with. Figure 3 shows a simple capacitor power supply for a single output voltage of 3. Single phase induction type energy meter pdf to understand the basic construction and different components of a single phase induction type energy meter.
North eastern electricity supply company of odisha limited. These power measurement instruments are ideally suited to applications where reliable, precise measurements are required, but where. But these are now being gradually replaced by electronic digital energy meters. Pdf a single phase microcontroller based energy meter. Here we are going to discuss the single phase induction type in detail. Power factor meters electrodynamometer type power factor. Energy meter is an instrument which measures electrical energy. A direct connect meter has the electrical cables wired in to and out of it, meaning the load current passes through the meter itself. One single phase energy meter, one single phase load, stop watch and connecting wires. A simple capacitive power supply for the msp430 energy meter appropriate values of resistor r22 and capacitor c49 are chosen based on the required output current drive of the.
One of the types of three phase energy meters is shown below given as an example that ensures reliable and accurate energy measurement compared to the electromechanical meters. The mcp3909pic18f85j90 single phase energy meter reference design is a fully functional single phase meter. Single phase power measurement instruments are made up of rugged electronic instruments designed specifically for use in the harsh electrical environment common to many utility and industrial applications. Pdf microcontroller based single phase digital prepaid energy. Ti designs isolated communications between metrology afe. Hxe12r electronic meter is developed and manufactured by hexing. The digital electric energy metering device consists of transformer, merging unit.
Pic18f87j72 singlephase energy meter calibration users guide. It comes with suitable display with a range of communication options for local and remote monitoring. This electronic meter does not possess any rotating parts, and the. This paper presents a single phase electrical energy meter based on a microcontroller from microchip technology inc. Single phase electricity meters gas meters energy meters. The display screen shows total cumulative usage in kwh. Energy meter circuit detailed project with source code.
The meter which is used for measuring the energy utilises by the electric load is known as the energy meter. To study the construction and working of single phase energy meter and to find out energy consumed in 30 minutes. Combining pairing them by means of two multiplying stages two results. Electromechanical energy meters have been the standard for metering the electricity since billing began. Feb 19, 2017 construction and working of single phase energy meter. Ade7752b 3phase, 3wire, and 4wire energy metering ic.
The dds353 is a new generation modern design kwh meter that will measure and display active energy kwh. Our product range includes a wide range of single phase energy meter with multifunctional lcd, single phase energy meter with rs 485 communications, single phase ac static watt hour meter, single phase multifunction electronic energy meter with lcd, single phase static energy meter with counter display and power meter. Technical specifications for single phase static meter the equipment covered by these broad specifications shall conform to the requirements stated in latest editions of relevant indian iec standards and regulations. Single phase vs three phase electricity meter help non. Drm121, mqxenabled mcf51em256 singlephase electricity meter.
The electricity meters in our single phase meter range are all mid approved meters. The rs485 to usb interface cable between the ccgx and the energy meter can be extended up to 100 meters. It uses ad7755, a singlephase energy measurement ic to acquire and process the input voltage and current parameters. Power factor meters electrodynamometer type power factor meter. Main features lcd with 8 digits display format for energy record and meter status. Mcp3909 and pic18fj90 single phase energy meter reference design. The voltage and currents of the power line are rated down to signal level using transducers like voltage and current transformers and given to that ic as shown in the figure. Pic18f87j72 singlephase energy meter calibration users. What is the difference between single phase vs three phase electricity meter i have seen many houses in my streets who are using three phase meters and few houses using single phase meters. Designed as standard for using as doubletariff meter. Ade7752b 3phase, 3wire, and 4wire energy metering ic with. Single phase electricity is connected at 230 or 240 volts via 2 wires, active and neutral, and is found in most domestic settings. Here we discuss the construction and working principle of induction type energy meter. This interface is used exclusively for joining the 20xrfc daughter card to the.
This article focusses only on its constructional features and its working. It is used everywhere, no matter how big or small consumption it is. The sma energy meter takes phase accurate and balanced electrical measured values, such as a grid feedin and purchased electricity meter, and. Single phase energy metering ic with pulsed output and digital. Single phase energy meter on sales quality single phase. It features in high accuracy, low power consumption and reliable stability and superior antitampering functions. About 94% of these are energy meters, 0% are power meters, and 0% are voltage meters. Electrical energy meters principles and applications. May 15, 2018 the general circuit diagram of single phase electrodynamometer power factor meter is given below. Operating principle of single phase induction type energy meter.
Now the pressure coil is split into two parts one is purely inductive another is purely resistive as shown in the diagram by resistor and inductor. Implementation of a singlephase electronic watthour meter. Single phase induction type energy meter is also popularly known as watthour meter. Check out the larger single phase 80 amp sub meter or 3 phase sub meter. Upgradeable fully featured power and energy meter pdf. Head office, nesco utility, januganj, balasore 756019, odisha 1. Jul 25, 2018 energy meters are the basic part to measure the power consumption. The meter which is used for measuring the power of three phase supply is known as the three phase energy meter. Implementation of a singlephase electronic watthour meter using the msp430f6736 bart basile, stefan schauer, kripasagar venkat abstract this application report describes the implementation of a singlephase electronic electricity meter using the texas instruments msp430f673x metering processor.
The meter is designed to offer reliable energy measurement in single phase circuit and is highly suitable for. Top 7 mistakes newbies make going solar avoid these for effective power harvesting from the sun duration. Implementation of a single phase electronic watthour meter using the msp430f6736 bart basile, stefan schauer, kripasagar venkat abstract this application report describes the implementation of a single phase electronic electricity meter using the texas instruments msp430f673x metering processor. Connect the energy meter to the ccgx using the usb to rs485 cable. The measurement of energy is accomplished by means of a voltagefrequency converter connected downstream from the power meter. Procedure for calibration and testing of singlephase energy meter. Overview of single phase induction type energy meter. A wide variety of single phase two wire energy meter options are available to you, such as display type, phase. Calibration and testing of singlephase energy meter. Ive got 3 phase power but been quoted a single phase solar. It uses ad7755, a single phase energy measurement ic to acquire and process the input voltage and current parameters.
A current transformer, ct, operated meter, particularly suitable for larger loads, requires the load cable busbar, to be fed through a ct. A single phase prepaid energy meter prototype has been implemented to provide measurement up to 40a load current and 230v line to neutral voltage. Single phase induction type energy meter slideshare. The meter is designed to offer reliable energy measurement in single phase circuit and is highly suitable for metering and remote communication purposes. Apr, 2012 single phase induction type energy meter 1. Threephase and singlephase energy meters, highquality pdf. The individual pulses are then summated through the use of an electromechanical meter, and are made available at a pulse output as well. Singlephase electric meter with isolated energy measurement. Energy meters are the basic part to measure the power consumption. The ade7752b specifications surpass the accuracy requirements as quoted in the iec6205321 standard. Visiontek 36sm single phase static electronic energy meter is designed to meter residential and small commercial energy consumers in distribution networks.
Note down the reading of two meters in a given period of time, say 2 minutes. Give the connections as per the circuit diagram above. Pdf design and implementation of a gsmbased single phase. Dinrail energy meters for single phase circuits up to 63a. Single phase meter with direct connection and pulse or. These mid meters are all compact and lightweight and rated as class 1 and 2, so you can rely on electricity meter accuracy. The stpm01 has a zero crossing detector circuit on the voltage channel which can be used. It is a unique product that comes with dlmscosem certification enabling it to be an ideal candidate for a multivendor environment. To study the construction and working of single phase energy meter and to find. Programmable single phase energy metering ic with tamper detection. Presented here is a simple energy meter using analog devices ade7757 chip for singlephase, 2wire phase and neutral systems used in households. What are the advantages and disadvantages of usual energy meters.