Detailed analysis of power and energy calibration errors. The calibration accuracy of the measuring sensor at the power level, energy level and wavelength at which it was. One very common misconception is the absolute value of calibration uncertainty. With the progress of science and technology, electronic type electric energy meter is widely used in electric energy metering and charging in china, especially in rural power network reform, investment, electronic type electric energy meter with its linearity, stability is good, the power consumption of small, voltage and frequency response speed, high measurement precision, to further improve. Each current measurement range of the meter is calibrated separately by initializing an internal data storage register to zero, applying for a specific time interval a specified calibration voltage and a specified calibration current to the meter, and storing the meters measured amount of energy as a metercharacteristic quantity for that. Electric utilities use electric meters installed at customers premises for billing and monitoring purposes. The energy is the total power consumed and utilised by the load at a particular interval of time. Last, the system calibrations are normally performed with a personal computer pc based calibration controller. Electronic type electric energy meter calibrating method. Fast digital calibration procedure for stpm01 based energy meters introduction this document describes the fast digital calibration procedure enabled by stpm01 in solid state energy meters. Songxue hou 1, yuyou liu 2, yunying xu 1, shunchao wang 1 and dan xu 1. An alternative method of measuring is to for the user to define there own baseline, and comparing the measured energy to that baseline. Be aware that this value is made using a complex statiscal method that takes in account all the sources of uncertainty that are present in the process. Portable multifunction energy meter calibrator method.
In the proposed system, iot based meter reading system is designed to continuously monitor the meter reading and transfer the data to a central server. There are some problems in the existing calibration methods. Yokogawa hopes that its power meters contribute to a world with cleaner and more efficient energy use. Omicrons approach significantly simplifies meter testing. Box 423, riyadh, 172 kingdom of saudi arabia calibration laboratory cl182 has met the requirements of ac204, ias accreditation criteria for calibration laboratories, and has demonstrated. Note down the reading of two meters in a given period of time, say 2 minutes. This calibration steps exist electric energy meter power jump difference cause calibration after the big.
Analysis and optimization of calibration method of digital energy meter. Analysis and optimization of calibration method of digital. The traditional calibration methods for analog energy meters are not applicable to digital energy meters. Home method flow products, llc the preferred source. Gf312v2 portable multifunction energy meter calibrator method report format in patna gf312v2 portable multifunction energy meter calibrator method report format in patna is with comfort design, small size, and light weight. Give the connections as per the circuit diagram above.
If you dont have any form of meter, then see below for common calibration coefficients. It is used in domestic and industrial ac circuit for measuring the power consumption. The purpose of the calibration is to ensure the energy model can generate energy use result close to the measured values using actual inputs, including weather, occupancy schedule, lighting and equipment schedules and. The calibration parameters such as the gain, offset, and phase are calculated in the calibration controller and are delivered to the energy metering chip. General discussion this document discusses the interpretation and basis for stated measurement accuracy of ophir laser powerenergy meters. An energyplus whole building energy model calibration. This study presents a novel lowcost insitu meter data calibration technique using a relatively low accuracy commercial energy meter as a calibrator. Energy meter testing, energy meter repairing, energy meter. Whatever the criteria, the calibration system must have the ability to have. 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.
A calibration service for wattmeters and watthour meters. The meter can therefor be calibrated by the user to read the required wgal for the average energy in the tank. C to the pressure coil circuit by means of phase shifting transformer. The piston prover method is ideal for ultrasonic flow meter calibration, fuel flow meter calibration, and turbine flow meter calibration to a high degree of accuracy. Calibration and testing of singlephase energy meter. Until now, the usual method for testing of energy meters has been to use a stabilized, but not very accurate, power source, in combination with a highprecision reference meter. Testing and calibrating threephase energy meters can be difficult, time consuming, and thus, costly. In this paper, a new calibration method has been proposed, which can be used to calibrate digital energy meter rapidly and accurately. The below tutorial intends to help with power measurement. Induction type energy meter used invariably to measure the energy consumed in any a. Digital energy meters are used in digital substations to measure electric energy, which receive iec 61850 digital input.
Lowcost energy meter calibration method for measurement. As an important part of digital energy measurement system, the measurement accuracy of digital energy meter needs to be calibrated. The total accuracy of measurement of a laser powerenergy meter is affected by the following. Another method to calibrate a smart meter is to use a meter verification tool. Pe01procedures for calibrating and certifying electricity meter calibration consoles pursuant to eleng1201 requirements for the certification of measuring apparatus electricity meter calibration consoles. This paper presents a rapid method for propeller current meter calibration, enabling calibration of current meters in their actual working conditions using simpler equipment than what is currently. Energy meter testing, energy meter repairing, energy meter calibration, energy meter certification, energy meter servicing, mumbai, india wowslideshow by v8. Iot based energy meter reading, theft detection and. The most analogous cases are flow measurement, and possibly exhaust gas analysis.
For the low electric energy meter of required precision, generally use calibration of power mode, i. The meter which is used for measuring the energy utilises by the electric load is known as the energy meter. An alternate method of determining if a meter creeps may be established. Calibration is a process of elimination of errors by configuring an instrument to provide a result within an acceptable range. The method below focusses on energy meters, but can be used for instruments measuring other parameters as well. Currently in the smart substation, the traceability method of the digital metering system is a subcomponent traceability method, which means that the electronic transformer and the digital power meter are calibrated separately.
Electricity meters are typically calibrated in billing units, the most common one being the kilowatt hour kwh. The piston prover contains a piston which produces volumetric flow by positive displacement. All multifunction meters are tested once in 3 years. A calibration service for wattmeters and watthour meters author. Calibration method for digital energy meters in digital. Us4837504a electricity meter and method of calibrating. A new calibration method for digital power metering system. Based on energy meter measurements the customer gets a bill and has to pay for energy consumption. This method increases calibration time and complicates calibration procedure. Fast digital calibration procedure for stpm01 based energy. However, calibration can be prohibitively expensive and affect project feasibility negatively. This video shows how the fluke calibration 6003a three phase power calibrator simplifies the task. Now calibration of energy meter means configuring your meter to rea.
Engineers working onsite test the accuracy of every energy meter and multifunction meters by using a standard reference meter of a better accuracy than meter being tested. However, the calibrations of the electronic transformer and the digital power meter have been the problem of measuring department, its traceability having been unable. Portable energy meter calibrator available including three phase, single phase meter test equipment. Energy meter is an integrating instrument which measures the total quantity of. A method for calibrating an energy meter having input means for receiving electrical energy, a rotor having a periphery with a plurality of marks disposed thereon, which rotates at an angular velocity generally proportional to the electrical energy input into the meter, and calibration means for adjusting the angular velocity of the rotor. Research on calibration method for digital energy meter. Method flow products is the preferred source for oil and gas measurement products and service. How to calibrate a flow meter calibration procedures. Published under licence by iop publishing ltd journal of physics.
Find energy meter calibration related suppliers, manufacturers, products and specifications on globalspec a trusted source of energy meter calibration information. This document discusses the interpretation and basis for stated measurement accuracy of ophir laser power energy meters. During installation and commissioning, icd conducts complete calibration and testing of energy meters. Meter verification tools are helpful in that they attach directly to the meter and troubleshoot any issues that the smart meter may have. There are three official calibration laboratories available worldwide for laser power meters and laser energy meters from genteceo. We represent the highest quality manufactured products, provide custom fabrication, and have a turn key service department for the commissioning of new equipment, for up to date measurement calibration requirements, and your equipment automation needs. Energy meter calibration is only way to guarantee the accuracy of your measuring devices is to have them calibrated by an independent, accredited laboratory. Procedure for calibration and testing of singlephase energy meter. System and method for calibrating an energy meter the. The total accuracy of measurement of a laser power energy meter is affected by the following factors. Using the 6100a electrical power standard to calibrate. Electricity meters an electricity meter or energy meter is a device that measures the amount of electric energy consumed by a residence, business, or an electrically powered device.