Slaa517cmay 2012revised march 2014 implementation of a singlephase electronic watthour meter using the 3 submit documentation feedback msp430f6736. This low cost design uses a shunt for the current sensor in place of expensive current transformers. Please read this manual carefully before installation, operation and. The only electrical connection is made by 2 small screws which penetrate the wire insulation and pick up powerless than 1 wattto power the meter. For a single rate meter simply write down the five numbers as you read them from left to right, including any zeros at the start. Product overview important information on using the mcp3909 3phase energy meter reference design including a getting started. Use onehalf the ct ratio as the transformer factor in determining the meter multiplier. The sensor element is factory adjusted and needs no further adjustments. Slau208 and the devicespecific data sheet slas731 for the msp430f6736. Meter wiring diagrams for the northpower network northpower. Product overview important information on using the pic18f87j72 singlephase energy meter reference design including a getting. How to read an electricity meter meter readings npower.
It can be used to measure either three phase ac power of transformer or three phase generator. The red wire shows the live or line or phase and the blake shows the neutral wire. Voltage and current circuits are internally connected so that students only have to connect the line and load terminals of the module. The integrated single phase isp ed meter is a compact, two wire, keypadbased prepayment electricity meter in a housing compatible with the eskom standard common base electricity dispensersocket. This is to certify that the work in the thesis entitled implementation of single phase watt hour meter using lpc2148 by parmanand nayak, bearing roll number 211ec3316, is a record of an original research work carried out by him under my supervision and guidance in. Implementation of a singlephase electronic watthour meter using. Implementation of a singlephase electronic watthour. For more information, please see the section 8 technical date of this manual. First, just check your meter says multirate single phase watt hour meter along.
For these values, see the msp430x5xx and msp430x6xx family users guide slau208 and the devicespecific data sheet slas731 for the msp430f6736. Dd862 single phase energy meter technique paremeter. Please note we try to add as many electric meter manuals to this list as we can and leave all the old ones on site i hope they are usefull to you and make fitting of your. These graphics below shows the above idea in a very simple way.
The e110 5235b is ofgem approved and suitable for measuring generation of pv solar panel systems. General electric ge watthour meter kwh, model i210. Isp ed specifications integrated single phase sts sabs. Pic18f87j72 singlephase energy meter reference design. Aps singlephase microinverter m1p series introduction the aps m1p series microinverters connect with the singlephase grid, and operate with most 60 and 72 cell pv modules. Single phase vs three phase electricity meter help.
A single phase watt hour meter is es sentially an induction motor whose speed. This meter type can be used for production, consumption, import and export monitoring, and for export limitation, from inepro v1. The arduino can be programmed to work out the flashing rate and depending on that rate open or close relays to control appliances a voltage divider is made with the light dependent resistor and a 10k resistor. Em1200 series singlephase multifunction watthour meter. L and n correspond to the voltage inputs from the test setup. Two and threeelement meters are simply two or three single elements having a common shaft and register, which serve to totalize the energy measured by each element. Application note connecting an electricity meter to. Em1200 series singlephase multifunction watthour meter reference manual part number em1200m ampy metering joynton avenue, zetland, nsw 2017. Purpose the user manual contains all the information required for application of the.
Watthour meter maintenance and testing, january 1992. This document describes how to use the pic18f87j72 singlephase energy meter reference design as a development tool to emulate and debug firmware on a target board. Normal 0 false false false enus xnone xnone one residential electric kilo watthour meter kwh singlephase 240 volt manufactured by general electric ge. I am only using the meter for current measurement only and i have my cts in place but the meter is not reading even if i have my load. Meter internal wiring front view single phase threewire with ct connections to socket front view or set meter potential stabat 6 oclock or 9 oclock position, to matchsocket connection. The w2 sensor element has a slide switch 200 or 2000, this should be set for forward wattage desired. An off position is provided on mode switch s1, which shunts out the meter movement. A wide variety of single phase digital power meter options are. High power electrical systems pose dangers independent of devices like the watts up and it is the users responsibility to be familiar with these dangers and. Yes, old analog meter was better, one more myth is common that generally these digital meters runs fast as compared with their analog siblings. User benefits class 1 or 2 iec, class a or b mid accuracy 220240v 50hz reference voltagefrequency.
The diy digital ac watt meter is an arduino mega 2560 microcontroller controlled system that reads current and voltage in an ac system. The following sections discuss the various power supply options that are available to support your design. However the meter should withstand the maximum system voltage. A wide variety of single phase watt meter options are available to you, such as current. A9mem2050 modular single phase power meter iem2050 230v. Powerlogic pm5100 series power and energy meter user guide. Watts up watt meter and power analyzer users manual. Mcp3909 3phase energy meter reference design using. It calculates and displays the power, current, voltage and phase of a single phase ac circuit on a liquid cristal display lcd.
While the watts up watt meter will be referred to, the doc wattsons application and use is the same with the exception that it has higher ah and wh measurement ranges, does not have the peak watts measurement and has a somewhat different screen layout. The manual already have an example of the wiring diagram for dual phase 3 wire and single phase 2 wire. 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. Universal meter services can provide a wide range of these brand new single phase electric meters, often known as the watthour meter. As i have seen on my single phase digital meter, 3200 blinks per kilo watt hour and on three phase meter it was blinks per kilo watt hour. These power measurement instruments are ideally suited to applications where reliable, precise measurements are required, but where. Watts up watt meter and power analyzer users manual rc electronics, inc. The pxmp meter is com patible with most 3phase industrial, commercial, and singlephase residential low voltage electrical power systems. The following symbols in this manual and on acuviml series meters are used to. Singlephase microinverter installation and user manual. Its electronic design uses voltage and current sensors to sample line voltage and current. True rms measurement of all input signals is standard. From memory, you will be able to explain single phase meter test procedures, calculate consumption costs, as well as perform pre and post meter installation checks. The pic18f87j72 single phase energy meter reference design ard00280 is a fully functional single phase meter featuring the pic18f87j72 mcu with analog front end.
Simpson amik 200 three phase digital energy and power. This meter cannot be used in combination with storedge or with device control systems. The meter is suitable for residential, commercial and light industrial environments. The information could be printed according to requirements of power supply company. The emu is operated via the ciu in exactly the same way as other meters in the meter mate range. Its main functions include energy measurement, data display, communication, prepayment, contactor control, keypad input and inquiry, antitampering, etc. There is a button for data query and manual disconnector control, an. This document describes how to use the mcp3909 3phase energy meter reference design as a development tool to emulate and debug firmware on a target board. 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. Implementation of a singlephase electronic watthour meter using the msp430f6736a if a test setup needs to be connected, the connections have to be made according to the evm design.
Read these instructions carefully and look at the equipment to become. As you know ac power or wattage of any three phase ac equipment is difficult to measure with the help of microcontroller. Labvolt series by festo didactic threephase wattmeter. Electromechanical meters only use on 120 or 240 volts. The power supply allows the operation of the energy meter powered directly from the mains. Singlephase watthour kwh meter dd862 series 94722895.
The threephase wattmeter module is fitted with two separate wattmeters, each of which is equipped with a polarity switch. Implementation of single phase watt hour meter using lpc2148. The voltage output from this divider is passed along the green. From memory, you will be able to explain singlephase meter test procedures, calculate consumption costs, as well as perform pre and post meter installation checks.
Pictured above is a schematic of how an arduino uno can be used to detect if the electricity meter led is on or off. Pdf a single phase microcontroller based energy meter. For these values, see the msp430x5xx and msp430x6xx family users guide. These single phase electric meters are run by two different methods the disc type which uses magnets or the electronic type in order to provide information about the amount of electricity used within certain.
User manual single phase energy meter hxe12kp hexing electrical co. This makes it possible to display volts, amps, watts, vars and power. This meter is most suited to new reticulation and is directly and easily interchangeable with common base. A single phase microcontroller based energy meter conference paper pdf available in conference record ieee instrumentation and measurement technology conference 2. Singlephase energy meter, 100a 120240volt, 3wire, 60hz. Electricity is supplied as either single phase, which most domestic electricity to our homes is, or three p hasewhich is for. The split single phase ssp meter is a compact, two wire, keypadbased prepayment electricity meter which comprises two parts, the energy management unit emu and the customer interface unit ciu. Facilities instructions, standards, and techniques volume 310. Single push button selects ctpt setting, and also resets the microprocessor. High power electrical systems pose dangers independent of devices like the watts up and it is the users responsibility to be familiar with these dangers and take any necessary action to ensure safe use. For symmetrical loads like motors, the connection is simplified with only one phase measurement and assuming the same voltagescurrents on the other. The watts up dc watt meter users manual includes examples of dc watt meter applications as well as provides a general electrical tutorial information for its use download the watts up doc wattson users manuals in pdf format watts up doc wattson 2018 users manual, v2 rev.
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