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WO2010018197A2 - Ensemble permettant la mesure de grandeurs de rendement et/ou de consommation électrique dans un réseau basse tension - Google Patents

Ensemble permettant la mesure de grandeurs de rendement et/ou de consommation électrique dans un réseau basse tension Download PDF

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Publication number
WO2010018197A2
WO2010018197A2 PCT/EP2009/060446 EP2009060446W WO2010018197A2 WO 2010018197 A2 WO2010018197 A2 WO 2010018197A2 EP 2009060446 W EP2009060446 W EP 2009060446W WO 2010018197 A2 WO2010018197 A2 WO 2010018197A2
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WO
WIPO (PCT)
Prior art keywords
consumption
measuring
voltage
current
measured value
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/EP2009/060446
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German (de)
English (en)
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WO2010018197A3 (fr
Inventor
Ralf Scherber
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Individual
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Individual
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Publication of WO2010018197A2 publication Critical patent/WO2010018197A2/fr
Publication of WO2010018197A3 publication Critical patent/WO2010018197A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C19/00—Electric signal transmission systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D4/00—Tariff metering apparatus
    • G01D4/002—Remote reading of utility meters
    • G01D4/004—Remote reading of utility meters to a fixed location
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
    • G01R22/06—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
    • G01R22/10—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods using digital techniques

Definitions

  • the invention relates to an arrangement for measuring current yield and / or consumption variables in a low-voltage network according to the preamble of claim 1.
  • Low-voltage networks are operated with single-phase or three-phase voltages in the range of 230 V or 400 V up to an upper limit of 1000 V, depending on the particular application. They are usually used to supply end consumers and are designed in various types. Low-voltage networks usually begin at a transformer station in the immediate vicinity of residential or commercial areas in which the voltage of the national high-voltage networks of 10 kV or 20 kV for a three-phase system with a phase voltage of 230 V against a grounded neutral point and an outer conductor voltage of 400 V. be transformed between two outer conductors.
  • Low-voltage industrial networks with a voltage of 400 V, 500 V or 700 V, or large-scale networks, which are connected to a medium-voltage network and have its own transformer, which feeds into the internal low-voltage network.
  • Low-voltage networks are also used for message transmission, in particular for the transmission of so-called ripple control signals or in some countries for the transmission of higher-frequency data signals by means of a carrier frequency modem.
  • Distribution points are used to branch off the low-voltage grid into smaller sub-grids, which form the consumer power supply in the narrower sense. Examples include the power supplies in a residential building. Within the sub-network there are further sub-distributors, in particular floor distributors connected to risers, distributors for closed sub-areas, in particular apartments or other room complexes. A measurement of consumption variables in such sub-networks is usually carried out by electrically contacted three-phase meters connected to the sub-networks (so-called Ferraris counters). These are located at convenient points, z. B. in a cabinet of a house, and perform for individual tenants, apartments and the like units from a consumption measurement. A consumption measurement with such a device for even smaller portions is not worthwhile because of the associated effort and is usually not executed.
  • Such devices are also not useful when a current yield of a local power source in the low voltage network, such as a generator or a solar system in or on a building to be measured or tracked over a longer period.
  • the object underlying the invention to provide an arrangement for measuring current and / or consumption data in a low-voltage network, with the consumption levels and / or consumption points of the low-voltage network consumption levels and / or or electricity yield variables in a simple, cost-effective and continuous manner. can be measured. A long-term tracking of these variables should be possible.
  • the object is achieved with an arrangement for measuring current yield and / or consumption data in a low-voltage network.
  • the arrangement according to the invention is characterized by at least one measuring unit installed before and / or after a distribution point of the low-voltage network on a line of a circuit.
  • This includes a contactless current transformer for detecting a current flow and an internal Meßsignalumsetzer in conjunction with a detection device with a measured value memory and an interface for bidirectional data exchange with an external data acquisition and evaluation.
  • the basic idea of the invention is to arrange an arrangement of at least one contactless measuring unit and a detection device on suitably selected, but arbitrarily selected lines of the low-voltage network, which measures the current flow and / or the electrical voltage in the line and thus the power consumption or the Measures current yield and allows the determination of derived variables and transmits the recorded measured values to an external data acquisition and evaluation unit.
  • the data exchange between measuring unit and data acquisition and evaluation unit is bidirectional.
  • the measuring unit or the acquisition device are addressed by the data acquisition and evaluation and queried to read the determined measurement data.
  • Each measuring unit contains a contactless, galvanically isolated current transformer. An electrically conductive contact is not necessary.
  • the measuring unit can in principle be arranged at any point within the low-voltage network, so that current output or consumption variables can be determined at this point.
  • the measuring signal converter is expediently designed as an A / D converter activated by a shift register. This converter converts the analogue current signal of the current transformer into a digital measuring signal.
  • the measured value memory is configured as a memory and comparator circuit activated by the shift register for determining and storing a measured value in the form of a maximum value determined in a sampling interval. forms.
  • the shift register triggers a large number of individual measurements on the measuring unit for scanning the measuring signal supplied by the current transformer and digitized by the A / D converter. The thereby determined maximum value of the digitized measurement signal forms the measured value determined by the measurement unit.
  • the interface to the detection device for the bidirectional data exchange is expediently a serial interface, in particular an RS232, RS422 or a USB interface.
  • the transmission protocols for such interfaces are standardized for bidirectional data transmission.
  • the external data acquisition and evaluation unit is expediently a computer system equipped with an interrogation and evaluation software, in particular a personal computer.
  • Such computer systems are usually equipped with all necessary interfaces for data transmission.
  • At least one measuring unit is designed as a voltage measuring unit.
  • a voltage converter is provided for generating a voltage measuring signal with a signal voltage proportional to the mains voltage for detecting a mains voltage.
  • the voltage measuring unit is used to register the voltage fluctuations occurring within the network. This creates the prerequisite that, together with the measured currents, the consumption or power consumption dependent on current and voltage. Yields, in particular services, can be calculated precisely.
  • the voltage converter can be designed in various ways.
  • the voltage converter is designed as a voltage divider circuit.
  • the voltage converter is designed as a measuring transformer with a fixed load.
  • a method for operating an arrangement for measuring current yield and / or consumption data in a low-voltage network with the mentioned features is characterized by the following method steps: A request signal is sent from the data acquisition and evaluation unit to the respective one measurement unit. This is followed by a sampling of a digitized sine wave generated by the A / D converter of a measurement signal supplied by the current transformer and the at least one voltage converter and storing a maximum value determined thereby as a measured value. In response, the measured value stored in the measured value memory is transmitted via the interface to the external data acquisition and evaluation unit. There is a storage and conversion of the measured value into current and / or temporally traceable power output and / or consumption variables, in particular power, energy yield, energy consumption and / or costs. The calculated yield or consumption quantities are displayed and prepared in a suitable manner.
  • the transmission of the request signal takes place successively clocked at each individual measuring unit.
  • an interactive network in particular in the form of a building plan, with an indication of the circuits, measuring units, power generators and / or consumers is advantageously generated and the power output and / or consumption variables broken down to individual rooms and / or individual circuits of the building outline.
  • This visualization makes it possible to query the measured or calculated quantities quickly and easily, whereby the areas of the respective subnetworks and their consumers become clear to the user.
  • a representation of a total power yield and / or a total consumption variable in particular a current, an energy amount, a power and / or total costs with a breakdown and representation of the proportions of the individual measurement units, in particular in the form of a pie chart or bar chart.
  • FIG. 1 shows a schematic arrangement of several measuring units in a subnetwork of a low-voltage network
  • FIG. 2 shows an exemplary block diagram of a measuring unit and a detection device with the parts contained therein
  • 5 shows an exemplary visualization for measured value evaluation.
  • Fig. 1 shows a subnetwork of a low voltage network.
  • the subnetwork can be designed very differently depending on the specific design.
  • a subnet covering the power supply for several living spaces of an apartment it is assumed that a subnet covering the power supply for several living spaces of an apartment.
  • the following explanations are also applicable to other subnetworks, for example, for commercial premises and workshops, building networks and the like subnets transferable.
  • a branch point 1 is arranged on a riser within a house. This has the usual circuit facilities, in particular fuses, circuit breakers and the like further means for switching or disconnecting the subnet.
  • connection point 3a is usually an indoor or bath socket in the known embodiment as a socket with a protective contact, or a Starkstroman- circuit that comes to power electrical stoves or other heaters used.
  • each of these lines 2 has a measuring unit 4.
  • This measuring unit is arranged galvanically isolated on each line 2 and measures the current flowing in the line.
  • the line 2 is expediently one of the outer conductors. If the measuring unit is attached to a protective conductor, the arrangement thus formed serves as a sensor for a current flowing as a result of line defects.
  • Several of these measuring units are coupled to a detection device 7a, which triggers measuring procedures on the measuring units and receives the measured values determined thereby and forwards them to a data processing and evaluation unit 9.
  • the external data acquisition and evaluation unit 9 registers the measurement data supplied by the measurement units, converts these into consumption variables and represents these consumption variables.
  • Fig. 2 shows a block diagram of an exemplary measuring unit.
  • the measuring unit contains a current transformer and / or a voltage converter 5.
  • the current transformer has the shape of a hollow cylinder and is pushed annularly on the line 2.
  • recourse may be had to the embodiments of alternating current sensors known from the prior art for realizing the current transformer.
  • Current transformers for different measuring ranges for example ranges from 0 to 20 A, 0 to 50 A or 0 to 200 A, can be used.
  • the current transformer supplies a voltage value. This is usually in the range of 0 to 5 V.
  • a voltage converter may be provided in some measuring units, which performs a running measurement of the applied voltage in the subnet.
  • the thus formed measuring unit serves as a voltage measuring unit.
  • the signals generated by the voltage converter are also present as voltage values in the range of 0 to 5V.
  • the voltage converter is designed either as a voltage divider circuit or as a measuring transformer with a defined load.
  • a measurement signal converter 6 converts the analog measurement signal generated by the current transformer or voltage converter 5 into a digital signal and transfers the digitized signal to the detection device 7a.
  • a storage and comparator circuit 7 included in the detection device 7a stores and compares the digitized voltage signals during a measurement cycle and generates a measurement value.
  • An interface 8, in particular a USB connection, or another interface of the serial bidirectional type, establishes a connection between the measuring unit and the external data acquisition and evaluation unit 9.
  • further measuring units 4 can be added to the detection device 7a and controlled by it. It is also possible that at least one measuring unit and the detection device are housed in a housing.
  • the measurement signal converter 6 contains an A / D converter 11.
  • the A / D converter digitizes the measurement signal supplied by the current or voltage converter.
  • the measuring signal is present as an alternating voltage.
  • the A / D converter is operated by shift registers 10 located in the detection device 7a for a suitable measuring interval, expediently from approx. 1.5 sine waves of the alternating current flowing in the line 2, activated. During this time, a large number of current or voltage measurements are carried out and the digitized sine wave of the measurement signal is sampled. At a frequency of the alternating current of 50 Hz usual in German low-voltage networks, the time interval defined by 1.5 sine waves is approx. 0.03 s. There is no rectification.
  • the A / D converter has a bus width of 8 bits.
  • the supplied input signal ie the voltage applied there, is thereby converted into a corresponding digital value.
  • the available value store ranges from 0 to 255.
  • a current transformer in the measuring range of 0 to 20 A results in a current flow of 20 A in the measured line and a resulting voltage of 5 V as Measuring signal a digital value of 255.
  • the memory and comparator circuit 7 contains a comparator 12 and a memory element 13.
  • the comparator 12 carries out the sampling of the digitized measurement signal and determines a maximum signal value. In the case of an applied request signal, a value present in the memory element 13 is reset to 0.
  • the A / D converter then delivers the first digitized measurement signal.
  • the comparator compares this measurement signal with the value already present in the memory element. If this value is greater, the value given there is overwritten and the larger value is saved as the new value. With the completion of the sampling interval, the maximum measurement signal in digital form is present in the memory element in the sampling interval. This maximum value is sent as a measured value to the data acquisition and evaluation unit.
  • the data acquisition and evaluation sends a request signal at fixed intervals, for example, 16 measurement units every 2 seconds, a request signal.
  • the country of this interval is in principle arbitrary and can by an appropriate software be determined. However, it must be at least as long that the measurement steps described, ie the digitizing and sampling of the measurement signal, the determination of the maximum signal value and the subsequent transmission of the measured value, can be carried out in succession for each measuring unit in the subnet considered.
  • At least one of the measuring units is designed as a voltage measuring unit.
  • the voltage measuring unit can be arranged directly at the branch point at which the subnet branches off the main network. It measures the electrical voltage between 0 and approx. 250 volts or between 0 and approx. 0 between one of the phases of the subnetwork and the neutral conductor or between two phases. 400 volts.
  • the further measurement signal processing corresponds to the previous comments on the operation of the measuring unit.
  • the current and voltage measurement at the measuring units or the at least one voltage measuring unit takes place during the same measuring interval.
  • the length of the measuring interval is expediently about 1 to 10 seconds.
  • a current and an associated voltage reading currently present in the subnet is thus supplied.
  • a multiplication of the measured current and voltage measured values results in the calculation of a real power value.
  • the length of the shift register must correspond to the number of measuring units in the considered subnetwork.
  • the shift register sequentially activates each measuring unit for a fixed, for the measurement sufficient sampling interval, expediently in the length of time of 1.5 sine waves of the alternating current flowing in the subnet.
  • the shift register activates the measuring units one after the other, a separate identification of the measuring units is not necessary.
  • the measured values determined by all measuring units are sent to the data acquisition and evaluation unit in a defined sequence. There, the assignment of the incoming measured values to the individual measuring units or measuring points takes place on the basis of the sequence which is defined in the shift register and logically assigned to the individual measuring points in an allocation table. For example, in the mapping table, you can specify the value determined by the shift register as measured value number 1 is assigned to the living room, the value determined as measured value number 2 to the nursery or the value of the kitchen or the respective subnets determined as measured value number 5.
  • the memory element in the detection device is designed as a buffer memory which temporarily stores all measured values determined over a certain period of time together with a time indication and outputs them via the interface 8 when called up.
  • the memory element is dimensioned sufficiently large in its storage capacity for storing the corresponding data volumes and can be expediently supplemented by an additional memory unit.
  • the detection device can be externally programmable. It is then possible to specify operating parameters, in particular limit values, in the memory of the measuring unit.
  • a programmable read-only memory 13a is provided in which predetermined limit values and an identification signal for the measuring unit can be stored. The assignment of an identification signal to the detection device 7a is particularly useful when the subnetwork is large and multiple detection devices are used to control a larger number of measuring units.
  • a module 8a for a wireless bidirectional data transmission which can be added to the interface of the measuring unit or is also part of the interface. It can be used in particular on a WLAN technology. It is also possible in this context to couple a plurality of detection devices to a common device for wireless data transmission and to carry out communication with the external data acquisition and evaluation unit via this device.
  • the data acquisition and evaluation unit used is, in particular, a customary personal computer. It has a corresponding interface for bidirectional communication with the acquisition devices and a data acquisition and evaluation software for processing the measurement data transmitted by the measurement units.
  • These are in particular serial interfaces, preferably USB or RS interfaces for wired Data transmissions, or internal or external means connected to the measuring unit for wireless data transmission, in particular WLAN modules.
  • FIG. 4 shows an exemplary simple flowchart for operating the arrangement shown in FIGS. 1 to 3.
  • a request signal is transmitted from the data acquisition and evaluation unit to one of the measuring units.
  • the request signal is sent to the detection device by the data acquisition and evaluation unit in a defined time interval and activates the measurement process described above.
  • the sending of the request signal can be manually started or ended by a user, or triggered automatically or canceled by a timer at a fixed start and end time.
  • the timer-controlled transmission of the request signal is particularly useful when regularly recurring procedures for determining a power consumption to be executed in the subnet.
  • the manually triggered by the user sending the request signal allows an executable at any time determination of instantaneous consumption. This can be particularly useful when the energy consumption of a currently active electrical load with higher power consumption, such as a newly installed computer or a new room lighting, determined or particularly energy-intensive power supplies and line defects are to be determined.
  • the data acquisition and evaluation unit After the start of the measurement process, the data acquisition and evaluation unit sends the request signal to the detection device 7a in the specified time interval. There, the shift register is started, which successively activates the individual measuring units in a defined sequence and retrieves the digitized measurement signals from there. Subsequently, as described above, the individual measured values are determined in the detection device and transmitted to the data acquisition and evaluation unit.
  • the data acquisition and evaluation unit 9 receives an order of measured values associated with the respective consumers and stores them.
  • a factor is used to convert the measured value, which is still available digitally, back to a current value.
  • the factor can be used to correct measurement inaccuracies. This adaptation is expediently carried out by means of a calibration with the actual consumption and current values on the existing electricity meter in the subnetwork.
  • the current measured values determined in this way result in a current characteristic curve for each measuring point, to which new values are added at the time interval of the emitted request signals.
  • Small clock cycles with correspondingly small measurement intervals increase the accuracy and the recognition of rapid changes in power consumption, which come about, for example, by the switching on or off of devices.
  • Large clock cycles with correspondingly longer measurement intervals reduce the computing time and the required storage space and are suitable for tracking consumption variables over longer periods of time.
  • the measured values 17, optionally together with the identification signal 18 uniquely identifying the measuring unit and / or the detection device 7a are transmitted via the interface 8 to the data processing and evaluation unit.
  • the measured values 17 from the measuring unit 4 are the direct raw data about the current flow in the line. These are converted in the data processing and evaluation unit into actual consumption data as described above.
  • the identification signal 18 ensures that the correct measurement unit or the acquisition device 7a has actually been interrogated by the request signal. This is particularly advantageous when the subnet is extended and multiple detection devices 7a are present.
  • the queried measured values are stored in an open array in a database structure within the data processing and evaluation unit.
  • the logical assignment table in the data processing and evaluation unit is used.
  • the conversion of the measured values into actual consumption variables takes place.
  • the calculation of the consumption quantities This can be done via the measured values supplied by each individual measuring unit and thus to each individual consumer in the network or summarized for the measured values of several or all measuring units and thus for several or all consumers.
  • a software-supplied internal allocation table with the logical assignment between the position of the measuring unit in the signal sequence of the transmitted measurements on the one hand and the user defined location of the electrical load with the name of the consumer on the other hand, eg. For example, "fifth measurement signal in the time interval - kitchen consumers", the energy consumption determined at the individual measuring units is immediately assigned to unambiguously identified consumers. The user basically no longer has to know where the consumer is in the network the assignment between the electrical load and the measuring unit, the logical assignment within the allocation table is not changed.
  • multiple current waveforms and consumption values may be aggregated to determine, for example, a total energy consumption of the subnet to be analyzed or a portion of the subnetwork having multiple consumers. This is the case, for example, when the total contribution of all electrical equipment within a living room, nursery and bedroom to the total energy consumption of the home is to be determined. This can easily be achieved by adjusting the software accordingly.
  • the consumption variables such as, for example, charge (in ampere-hours) and / or energy consumption (in kilowatt-hours) can be determined as a current value or as a time average for one or more consumers. If rate information is available for the consumption quantities, a cost calculation can be carried out. Together with an imputed program, the cost calculations can be used for forecasts that can predict expected costs in a billing cycle.
  • the calculated consumption variables are finally processed in a method step 20 for a representation and visualized appropriately.
  • FIG. 5 shows a simple example for the visualization of calculated consumption values.
  • the figure shows elements in a graphical user interface and their contents.
  • a floor plan 22 of some of the subnet-supplied rooms, such as an apartment, is shown.
  • the plan contains a schematic representation of the laid inside the rooms lines 23 with the connected through the lines sockets 23a.
  • the floor plan is interactive. With a mouse pointer 24, you can click on the individual rooms of the floor plan and retrieve consumption information. For a representation of the consumption quantities at individual outlets 23a, a mouse click on the respective plug-in symbol indicated in the floor plan is executed.
  • FIG. 5 shows a text field 23b with a number of consumers present in the selected room, which are logically linked by the evaluation software to individual sockets, ie measuring units. Within the legend, the user selects the consumer of interest to him, e.g. For example, "TV”, the program data to the "TV” corresponding socket retrieves and displays.
  • the consumption data itself can be displayed in different ways. In Fig. 5, three examples are shown. Within the graphical representation of the floor plan, pie charts 26 are displayed for the respective individual rooms. These indicate a respective proportion of the rooms or the consumers located therein in the total consumption of the apartment shown or located within the apartment low-voltage network to.
  • Another possibility is the display of a time curve 25 of a consumption parameter either via a single consumer, all consumers in one or more rooms or all consumers in the entire apartment, d. H. over the entire subnet.
  • Fig. 5 shows a listing 27 in a window.
  • the list shows a year-end consumption in the consumption quantities energy (in the unit kWh) and costs (in the unit euro).
  • a weekly consumption average is also expressed in terms of energy consumption (in kWh unit) and cost (in euro units) and a peak consumption of a single consumer, in this case a computer connected to a socket A, with a numerical value and a date listed.
  • the use of the measuring elements is not limited to consumption measurements. It will be appreciated that use of the described configurations is possible even if a current output of a local voltage source within the low-voltage network is to be detected and evaluated. This is possible, for example, with photovoltaic systems, emergency generators and other similar arrangements. In this case, the measuring elements are located at lines leading away from the voltage sources and register the current flow occurring there.
  • the mentioned embodiments can also be used in the context of safety devices of the low-voltage network. This applies in particular to the signaling of a too high, exceeding an upper limit current flow in the monitored line, or the Evidence of a line defect with a finite, referred to as the off-limit current flow in disconnected from the network consumers.
  • limit value monitoring by means of the presented embodiments is the storage of limit values in the storage and distribution circuit or the read-only memory of the detection device 7a. This can be carried out in particular via the bidirectional interface of the measuring unit. Alternatively, limit values can also be specified on the software side in the data acquisition and evaluation unit.
  • the detection unit 7a may be coupled to a signaling device, for example a buzzer, which outputs a signal when such limit values are exceeded. It is also possible to transmit this signal output to a safety device, from which an immediate disconnection of the relevant line from the low-voltage network is carried out.
  • a signaling device for example a buzzer

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)
  • Measurement Of Current Or Voltage (AREA)

Abstract

L'invention concerne un ensemble permettant la mesure de grandeurs de rendement et/ou de consommation électrique dans un réseau basse tension. L'ensemble selon l'invention est caractérisé par au moins une unité de mesure (4) installée en amont et/ou en aval d'un point de répartition (1) sur un câble sous tension (2) d'un circuit électrique (3) et dotée d'un appareil d'enregistrement (7a). L'unité de mesure comprend un transformateur de tension et/ou de courant (5) sans contact destiné à détecter un flux de courant et/ou une tension électrique, un convertisseur de signaux de mesure interne (6), une mémoire interne pour valeurs de mesure (7) et une interface (8) permettant un échange de données bidirectionnel avec une unité externe d'acquisition et d'évaluation de données (9).
PCT/EP2009/060446 2008-08-13 2009-08-12 Ensemble permettant la mesure de grandeurs de rendement et/ou de consommation électrique dans un réseau basse tension Ceased WO2010018197A2 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102008038662 2008-08-13
DE102008038662.6 2008-08-13
DE102009011665A DE102009011665A1 (de) 2008-08-13 2009-03-04 Anordnung zur Messung von Stromertrags- und/oder Verbrauchsgrößen in einem Niederspannungsnetz
DE102009011665.6 2009-03-04

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WO2010018197A2 true WO2010018197A2 (fr) 2010-02-18
WO2010018197A3 WO2010018197A3 (fr) 2010-08-26

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9546888B2 (en) 2010-08-27 2017-01-17 Northq Aps Retrofittable system for automatic reading of utility meters and a template for aligning an optical sensor housing thereof
CN111239485A (zh) * 2020-01-17 2020-06-05 明阳智慧能源集团股份公司 一种风力发电机组的自耗电软件计量方法

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110202293A1 (en) 2010-02-15 2011-08-18 General Electric Company Diagnostics using sub-metering device
DE102010022725A1 (de) * 2010-06-04 2011-12-08 Hans-Dieter Leibold Analysevorrichtung für Stromverbraucher
CA2747459A1 (fr) * 2010-08-10 2012-02-10 General Electric Company Quincaillerie de compteur divisionnaire pour mesurer des donnees d'energie d'un dispositif de consommation d'energie
JP5172992B2 (ja) 2011-06-02 2013-03-27 ファナック株式会社 直流変換部の最大出力計算部を備えたモータ駆動装置
KR20140079274A (ko) * 2012-12-18 2014-06-26 삼성전자주식회사 홈 네트워크 시스템에서 에너지 소비를 관리하는 방법 및 장치
DE102013018294B4 (de) * 2013-11-01 2020-01-09 Ean Elektroschaltanlagen Gmbh Einrichtung und Verfahren zur Erfassung der elektrischen Energie von ein- oder mehrphasigen elektrischen Verbrauchern
CN103698598B (zh) * 2013-12-26 2016-08-17 华立科技股份有限公司 电表及其低误差脉冲输出方法
DE102014102264A1 (de) * 2014-02-21 2015-09-10 LOKISA Smart Energy GmbH Vorrichtung und Verfahren zur Erfassung des Energieverbrauchs in einem lokalen Stromversorgungssystem
DE102018201635A1 (de) * 2018-02-02 2019-08-08 Stadtwerke Karlsruhe Gmbh System zur Überwachung von Transformatorenstationen
DE102018216769B4 (de) * 2018-09-28 2020-06-18 Siemens Aktiengesellschaft System mit mehreren Energiemess-Vorrichtungen

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6470283B1 (en) * 1999-11-15 2002-10-22 Thomas G. Edel Non-contact self-powered electric power monitor
US7545285B2 (en) * 2006-02-16 2009-06-09 Elster Electricity, Llc Load control unit in communication with a fixed network meter reading system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9546888B2 (en) 2010-08-27 2017-01-17 Northq Aps Retrofittable system for automatic reading of utility meters and a template for aligning an optical sensor housing thereof
CN111239485A (zh) * 2020-01-17 2020-06-05 明阳智慧能源集团股份公司 一种风力发电机组的自耗电软件计量方法

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