Topic
Electricity meter
About: Electricity meter is a research topic. Over the lifetime, 7894 publications have been published within this topic receiving 42430 citations. The topic is also known as: electric meter & electrical meter.
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Papers
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02 Oct 2007TL;DR: An integrated energy metering system having an energy meter including a microcontroller, a first memory device for storing program data for the energy meter, and a plurality of circuit blocks is described in this paper.
Abstract: An integrated energy metering system having an energy meter including a voltage ADC for sensing voltage, a current ADC for sensing current, a microcontroller; a first memory device for storing program data for the energy meter; and a plurality of circuit blocks; a voltage monitor for monitoring a primary power supply; a power supply switch circuit for selectively applying one of the primary and auxiliary power supplies to the energy meter; and a system controller responsive to the voltage monitor for operating the switch circuit to apply the auxiliary power supply when the primary power supply voltage decreases below a predetermined level and gating the power to a first class of circuit blocks in the energy meter and applying power continuously to a second class of circuit blocks.
14 citations
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07 May 1991
TL;DR: In this paper, an apparatus and method for measuring the consumption of electricity from a mains supply which is either single or multi-phase is described, which can detect when tampering with connections to the supply occurs as for instance, may be done in an attempt to reduce the quantity of energy registered as having been used.
Abstract: An apparatus and method is disclosed for measuring the consumption of electricity from a mains supply which is either single or multi-phase. The apparatus and method of the invention is also able to detect when tampering with connections to the supply occurs as for instance, may be done in an attempt to reduce the quantity of energy registered as having been used. In a meter which takes as inputs signals indicative of the voltage and currents present in the supply a tamper is registered whenever the voltage reading, for instance in one phase of the three-phase supply, is absent while the corresponding current is present. If both voltage and current are absent this is not registered as tampering but may be noted as a fault in the system.
14 citations
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02 May 2008TL;DR: In this article, an electronic electric meter for use in a networked automatic meter reading environment is presented, which includes a meter microcontroller, a measurement microcontroller and a communication microcontroller.
Abstract: An electronic electric meter for use in a networked automatic meter reading environment. The meter includes a meter microcontroller, a measurement microcontroller, a communication microcontroller and spread spectrum processor, and a plurality of other communication interface modules for communicating commodity utilization and power quality data to a utility. The meter measures electricity usage and monitors power quality parameters for transmission to the utility over a spread spectrum local area network (LAN) to a remotely located gateway node. The gateway node transmits this data to the utility over a commercially available fixed wide area network (WAN). The meter also provides direct communication to the utility over a commercially available network interface that plugs into the meter's backplane or bus system, bypassing the local area network communication link and gateway node.
14 citations
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09 Dec 2003
TL;DR: A preconstruction utility meter (PCM) pedestal providing attachment means for both a gas meter and an electric meter may also provide a situs for telephone and cable connections as discussed by the authors.
Abstract: A preconstruction utility meter (PCM) pedestal providing attachment means for both a gas meter and an electric meter. The device may also provide a situs for telephone and cable connections. The device allows for pre-occupancy use of utilities.
14 citations
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29 Oct 2014
TL;DR: In this paper, an electricity-larceny-preventing electricity meter box is presented, which consists of an electricity meter body and an electromagnetic lock and a separating partition separating the meter box into an electric meter chamber and a meter checking chamber.
Abstract: The invention provides an electricity-larceny-preventing electricity meter box which comprises an electricity meter box body and an electromagnetic lock A separating partition separating the electricity meter box into an electricity meter chamber and a meter checking chamber is vertically arranged in the electricity meter box body, a meter reading window is formed in the separating partition, two sides of the separating partition are slidably arranged on the inner side of the electricity meter box body, the electromagnetic lock is fixed on the inner side of the electricity meter box body, locks the separating partition and is connected with an electromagnetic lock unlocking controller The electricity-larceny-preventing electricity meter box has the advantages of scientific design, reasonable structure, high practicability and good electricity-larceny-preventing effect
14 citations