The principle of generating the test signal of the static. It is used in domestic and industrial ac circuit for measuring the power consumption. The meter should be suitable for working with following supply system variations. Single phase energy meter theory pdf download mastercard. Utilities are one of the electrical departments, which install these instruments at every place like homes. Practical papers, articles and application notes static energy meter. Processing the test signal of the static electricity meter. The principle of working and construction of induction type meter is very simple and easy to understand thats why these are widely used in measuring energy in domestic as well as the industrial world. Particular requirementspart 21 static meters for active energy classes 1 and 2. Principle of operation of the meter, outlining the methods and stages of. To reduce power con sumption in the meter chip itself the sample rate can be re duced. Working principle and construction of energy meter video lecture of measurement of capacitance chapter in subject electronic instrumentation. Electronic energy meter is based on digital micro technology dmt and uses no moving parts.
The meter which is used for measuring the energy utilises by the electric load is known as the energy meter. 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. Electrical energy meters principles and applications. Pdf what should be measured using static energy meters. 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. It is often incased in glass and has a disk that rotates that. What is the differance between digital energy meter. Here we discuss the construction and working principle of induction type energy meter. 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. Based on the flow of current, the ferriwheel rotates which makes rotation of other wheels.
Technical specifications for single phase electronic energy meter of. What is the working principle of energy meter answers. Handbook on electricity meters asiapacific economic cooperation. Revised july 1996 read specification for ac static electrical energy meters. Electrical energy meters principles and applications energy management. 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. The conventional mechanical energy meter is based on the phenomenon of magnetic induction.
Types of energy meters and their working principles. It is used everywhere, no matter how big or small consumption it is. Energy meters are the basic part to measure the power consumption. In all induction meters, we have two fluxes which are produced by two different alternating currents on a metallic disc.
The single phase electrical energy meter principle block diagram is shown in fig. The working principle of an electronic energy meter is a device that measures the electronic energy consumed usually in kwh. The meter shall draw power for working of electronic circuit from phase and neutral. Pdf static energy meter errors caused by conducted. The use of a static electrical energy meter as a transducer of active.
A second terminal block between the current transformer and the meter simplifies service work. Pdf on oct 1, 2018, romuald masnicki and others published what should be measured. If all signal content was at the line frequency then in theory a second. Types of energy meters and their working principles elprocus. The energy is the total power consumed and utilised by the load at a particular interval of time. Energy meter or watthour meter is an electrical instrument that measures the amount of electrical energy used by the consumers. Pdf static, or electronic, energy meters are replacing the conventional electromechanical meters. It has a rotating aluminium wheel called ferriwheel and many toothed wheels. The basic principles here apply equally to polyphase circuits.
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