Before performing dielectric hipot or megger testing on any equipment in which the energy meter is installed, disconnect all input and output wires to the energy meter. The meter which is used for measuring the energy utilises by the electric load is known as the energy meter. Large scale deployments and utilities with low customer densities or geographically dispersed territories had the greatest savings potential. The electronic energy meter is also better protected against tampering than its mechanical predecessor, and units for prepaid operation e. Jul 25, 2018 energy meter testing july 25, 2018 february 24, 2012 by electrical4u we cannot think of life without electricity and when there is electricity consumption there is a need to measure its consumption. Energy meter tested at different voltage conditions using an auto transformer. Start injection with 25% of rated current with phase shift 30 degrees. Procedure for calibration and testing of singlephase energy meter. Energy meter testing, energy meter repairing, energy meter.
Testing regulation and practices some countries legally accept onsite testing when the meter is tested under similar conditions to laboratory testing, i. Recently, modern electrical power standards, also known as power calibrators. Here is a full guide on how to test a solar panel, including a tutorial and instructions. Accelerated life testing of electronic revenue meters a thesis presented to the graduate school of clemson university in partial fulfillment of the requirements for the degree master of science electrical engineering by venkata naga harish chaluvadi december 2008 accepted by. This equipment should be installed in a suitable electrical enclosure. The supply of energy to mut, its measurement, error calculation, the test sequence and test procedure, are all done manually.
Testing shall proceed according to one of the following methods. Jul 25, 2018 energy meters are the basic part to measure the power consumption. It is used for generating three or singlephase system of currentvoltage signals according to a userspecified signal model. Do not use these techniques otherwise you may be booked under electrical energy theft act 5. Calibration and testing of singlephase energy meter. It is used everywhere, no matter how big or small consumption it is.
Keywords electric energy metering, nonsinusoidal conditions. Give the connections as per the circuit diagram above. Study article on what is the meaning of class accuracy of energy 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. Here we discuss the construction and working principle of induction type energy meter. Energy meter testing july 25, 2018 february 24, 2012 by electrical4u we cannot think of life without electricity and when there is electricity consumption there is. There are dishonest and possibly illegal methods used to breach the code protection feature. Energy meter testing equipment myriad industrial solutions. The energy is the total power consumed and utilised by the load at a particular interval of time. The appearance of the internet version of this manual. Maximum energy meter pulse frequency for a given number of pulses per ws results from the following. Jun 08, 2011 tampering method of electrical energy method following description is only for awareness regarding electrical energy theft.
Threephase and singlephase energy meters, highquality pdf. During this testing process meter consistently works with accuracy. The main onsite testing methods are online testing at the consumer load and offline testing using a phantom load. Aug 10, 2016 apart from that, some other above tampering methods are mentioned which will be resolved with time. Modern electricity meter safety, accuracy and performance testing. Test methodology for determining energy efficiency of battery. All of these methods, to our knowledge, require using the microchip produc ts in a manner outside the operating specifications contained in microchips data.
An electric meter or energy meter is a device that measures the amount of electrical energy supplied to or produced by a residence, business. You can use these energy testing methods to learn the idea foods and supplements for your body, and to guide other choices around your wellbeing. The latest en 50470 standard increases the range of meter testing under nonsinusoidal conditions, introducing. Using the 6100a electrical power standard to calibrate energy. Note down the reading of two meters in a given period of time, say 2 minutes. The national aeronautics and space administration and the atomic energy commission have established a technology utilization program for the rapid. Showing the methods of energy meter tampering do not add any value to any ones engg. Both ansi and ul provide a solid foundation for electricity meter. This energy meter is of class 1 accuracy as written on the energy meter present above. It means measurement can be deviated from the original value in the range of 1 %. In this video, i show you two simple ways to energy test yourself. Electric energy meters are designed to account energy under sinusoidal and nonsinusoidal conditions, because both, old and new standards for energy meters require testing their accuracy under different conditions. Design and implementation of wireless energy meter system for monitoring the single phase supply.
Accelerated life testing of electronic revenue meters. Tampering methods of energy meter electrical notes. Test methodology for determining energy efficiency of. Standard meter will calculate actual injected energy. Test methodology for determining energy efficiency of battery charging systems. Radian research is 100% committed to exceeding the requirements of its customers through continual improvement of all our products and services. Pic18f87j72 singlephase energy meter calibration users guide. We people are already corrupt please do not add any more corruption. Meter testing equipments, laboratory planning and set up. To study the construction and working of single phase energy meter and to find out energy consumed in 30 minutes. Design and implementation of wireless energy meter system. Using the 6100a electrical power standard to calibrate. Radian research is a recognized world leader of energy reference standards, meter test boards, ct pt meter field testers, dc ac transfer standards, energy meter testing and our automated laboratory energy reference systems.
About 35% of these are testing equipment, 9% are energy meters. The concept of individual onsite meter testing with current and voltage sources has become increasingly popular. Sep 17, 2019 power factor measurement methods in revenue energy meters posted on september 17, 2019 todays industrial life extensively uses all types of electronic devices such as monitors and servers that require a lot of power. Remote meter reading generates more timely, accurate bills, eliminating the need for manual truck rolls and labor to read meters, connectdisconnect service, and diagnose many meter issues. When testing solar panels you should also test the controller. Energy meters are the basic part to measure the power consumption.
A wide variety of energy meter testing equipment options are available to you, such as electronic, hydraulic. Mar 29, 2017 accuracy checking of energy meter is not a difficult thing. Testing solar panels are important before you achieve commercial operation date cod. Sage introduced the first thermal mass flow meter that uses graphical displays, a hybrid digitally driven circuit and the. Power factor measurement methods in revenue energy meters. The performance tests of an energy meter as per iec standards are divided mainly in three segments which include its mechanical aspects, electrical circuiting, and climatic conditions. The three primary methods for field testing electrical meters can all be performed easily with our powermaster line.
Accuracy checking of energy meter is not a difficult thing. Energy meter tested at different voltage conditions using an. Lowcost energy meter calibration method for measurement and verification article pdf available in applied energy 188. Methods of earth resistance testing part3 methods of earth resistance testing part2 methods of. Building upon a subset of the entire suite of ansi tests, underwriters laboratories ul has layered on its version of safetyfocused meter tests as well in their own meter testing standard. Department of energy under contract deac0576rl01830 pacific northwest national laboratory richland, washington 99352.
Watt hour meter or energy meter is an instrument which measures amount of electrical energy used by the consumers. If a meter is used in combination with a current transformer. Energy meter testing procedure, energy meters testing. Pdf electric energy meters are designed to account energy under sinusoidal and nonsinusoidal conditions, because both, old and new standards for. Testing methods optical scanner and calib led disk mark sensing based one energy at a time energy register based testing thru communication meter manufacturer specific can test multiple energy types together and save time. This allows the user to run the meter for a userdefinable period of time, so that the energy meter can reach a suitable operating temperature, prior to testing. Apart from that, some other above tampering methods are mentioned which will be resolved with time. Testing through meter testing kit traceability of government lab.
Climatic conditions test include those limits which influence the performance of the meter externally. There are major three methods to compare accuracy of an energy meter. Iec 620572 portable test equipment and test procedure for electricity. Energy meter is an instrument which measures electrical energy. Sage prime natural gas flow meter sage metering is the manufacturer of the sage prime, a highperformance natural gas flow meter. Energy meter testing jobs, 37897 energy meter testing. Modern electricity meter safety, accuracy and performance. C to the pressure coil circuit by means of phase shifting transformer. Handbook on electricity meters asiapacific economic cooperation. Different load devices are connected to test the current handling capability of the meter 10w to w.
The performance tests of an energy meter as per iec standards are divided mainly in three segments which. The first describes the testing of various electronic components, assemblies, and systems. Different load devices are connected to test the current handling capability of the meter 10w to. Explore energy meter testing openings in your desired locations now. Energy meter testing equipment single phase high precision. All powermaster site analyzers feature nist traceable reference standards, so you are compliant with all regulatory meter test equipment requirements. Testing the threephase meter with singlephase voltage and current sources, can result in significant errors. Standard measurement and verification plan for lighting.
Manufacturer of energy meter testing equipment single phase high precision reference meter, three phase energy meter field calibrator, ratio and polarity test set and single phase portable energy meter testing equipment offered by akshyan power solutions private limited, delhi. Customer load verify meter accuracy under realworld operating. The required energy meter pulse constant for known systems characteristics results from the following. They are typically calibrated in billing units, the most common one being the kilowatt hour kwh.
One single phase energy meter, one single phase load, stop watch and connecting wires. Pic18f87j72 singlephase energy meter calibration users. Calibration and testing of single phase energy meter calibration and testing of single phase energy meter aim. Energy meter tester is used for testing of instruments that measure rms of currents and voltages within. Facilities instructions, standards, and techniques volume 310. A testing procedure for the new, electronic revenue energy meters. Electrical metering equipment meter testing equipment. Energy meter testing procedure, energy meters testing equipment, on line energy meter site testing, refixing of energy meter, mumbai, india. Power factor measurement methods in revenue energy meters posted on september 17, 2019 todays industrial life extensively uses all types of electronic devices such as monitors and servers that require a lot of power. Cesc testing laboratory, an nabl accreditated testing laboratory in the field of electrical testing as per isisoiec 17025. An electric meter or energy meter an electric meter or energy meter is a device that measures the amount of electrical energy supplied to or produced by a residence, business or machine electromechanical meters ac voltage load indicator voltage coil current coil al dial permanent magnet i. You must demonstrate that your solar project is ready to operate. Software used camcal for windows is a comprehensive software package designed to fulfil the current requirements of the modern meter testing environment. This compilation is not intended as a complete survey of the field of electrical and electronic equipment testing.
Procedure for testing a meter mount the meters that are to be tested onto the hooks present on the bench slots. It is acceptable to meter for longer and to only use the first 36 hours of the. Advanced metering infrastructure and customer systems. Set the meter to measure dc amps and make sure that the leads are in the right port to measure dc amps. It is very important to provide the required reproducibility of the test during testing. Rs485 bus two way threephase energy meter dsz14wdrs3x5a mid. A person having a clamp meter or power analyzer can easily check the accuracy whether that person is a lay man or a techy person. Electrical energy meters principles and applications. Standard measurement and verification plan for lighting retrofit projects for buildings and building sites ee richman october 2012 prepared for the u. Design and implementation of wireless energy meter system for. Pdf testing of energy meters under threephase determined. 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 purposes. Utilities install these instruments at every place like homes, industries, organizations to charge the electricity consumption by loads such as lights, fans and other appliances.
Iec 620571 test equipment, techniques and procedures for electrical energy meters. It is used in domestic and industrial ac circuit for measuring the power consumption. Radian research power and energy meter testing equipment. The authors suggest that the lessons learned from this effort, in addition to the topic of testing residential static meters, be addressed in future editions. How to check accuracy of energy meters engineer experiences. Power pp 100 kv 1 ka v 3 v 3 10 8 w 2pulse frequency fmax 1 pulse per min. This is important in the case of solar plus storage.
Energy meter testing equipment, energy meter testing. Therefore, testing the threephase meters should be performed with threephase voltage and current sources, and the possibility to operate in the configurations with balanced load and with unbalanced load. Radian research is 100% committed to exceeding the requirements of its customers through continual improvement of all. In order to test meters, particularly those of the 0. Pdf automatic energy meter reading using smart energy meter. High voltage testing may damage electronic components contained in the meter.
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