FR2728423A1 - Remote metering and control device for electricity distribution system - Google Patents

Remote metering and control device for electricity distribution system Download PDF

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Publication number
FR2728423A1
FR2728423A1 FR9415222A FR9415222A FR2728423A1 FR 2728423 A1 FR2728423 A1 FR 2728423A1 FR 9415222 A FR9415222 A FR 9415222A FR 9415222 A FR9415222 A FR 9415222A FR 2728423 A1 FR2728423 A1 FR 2728423A1
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Prior art keywords
module
concentrator
registers
measurement
control
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FR2728423B1 (en
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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
    • H02J13/00034—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving an electric power substation
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
    • H02J13/00036—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
    • H02J13/00022—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using wireless data transmission
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S10/00—Systems supporting electrical power generation, transmission or distribution
    • Y04S10/16—Electric power substations
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission

Abstract

The device includes a number of meter reading modules (MR), with one allocated to each user. The reading modules are directly linked to the electricity mains and the control mechanisms of the meters. The modules have an interface which allows them to take meter readings and detect malfunction or fraud. At the local substation, a concentrator is in communication with all the meter reading modules using FSK and the low voltage mains as a carrier. The concentrator receives, transmits and stores data and control information and is linked by telephone or radio modem to a remote metering station.

Description

La présente invention concerne un dispositif, permettant de réaliser la télérelève d'équipements de mesure et de contrôle des installations de distribution d'énergie électrique, utilisant le câblage électrique comme support de transmission des signaux de données et de contrôle.The present invention relates to a device making it possible to perform remote reading of equipment for measuring and controlling electrical energy distribution installations, using electrical wiring as a medium for transmitting data and control signals.

On connaît déjà divers techniques permettant de réaliser la télérelève des compteurs électrique Par exemple l'utilisation de fils métalliques, sur lesquelles sont branchés à chaque extrémités des équipements terminaux de circuit de données de type modem téléphonique. Ce type de technique oblige à mettre en place ,soit une ligne téléphonique jusqu'à chaque compteur, soit de regrouper avec un câble plusieurs compteurs sur un même modem téléphonique.Various techniques are already known for making the remote reading of electric meters. For example, the use of metallic wires, to which terminal data circuit equipment of the telephone modem type is connected at each end. This type of technique requires setting up either a telephone line to each counter, or to group several meters on a single telephone modem with a cable.

La présente invention vise à supprimer l'installation de support spécifique de transmission relié à chaque compteur , grâce à l'utilisation du câblage électrique qui les alimente comme support de transmission des données.The present invention aims to eliminate the installation of specific transmission support connected to each meter, through the use of electrical wiring which supplies them as data transmission support.

Ces buts sont atteints grâce à un dispositif, conformément à l'invention qui comprend les éléments suivants (Fig. 1):
Des Modules de Relève (MR.), un par compteur abonné, situés soient à proximité des compteurs éléctromécaniques, soient intégrés dans des compteurs électroniques, reliés d'un coté en parallèle sur la ligne d'alimentation électrique pour permettre la transmission, de l'autre raccordés sur le système de mesure et de contrôle du compteur électrique pour permettre la relève des différentes informations du compteur.These aims are achieved by a device, in accordance with the invention which comprises the following elements (Fig. 1):
Relay Modules (MR.), One per subscriber meter, located near the electromechanical meters, are integrated into electronic meters, connected on one side in parallel on the power supply line to allow transmission, other connected to the measurement and control system of the electric meter to allow the reading of different information from the meter.

Un Module Concentrateur (M.C), relié en parallèle ,au départ de la ligne de distribution électrique vers l'abonné pour permettre la transmission avec les M.R, au niveau du Poste de Transformateur Basse Tension.A Concentrator Module (M.C), connected in parallel, from the electrical distribution line to the subscriber to allow transmission with the M.Rs, at the Low Voltage Transformer Station.

Chaque Module de Relève est conçu pour l'émission et la réception de signaux de données et de contrôle sur une ligne de courant électrique. il transmet sur la ligne secteur par modulation en tout ou rien de deux fre quences (Type FSK: Frequency Shift Keying).Each Reading Module is designed for the transmission and reception of data and control signals on an electric current line. it transmits on the mains line by all or nothing modulation of two frequencies (Type FSK: Frequency Shift Keying).

Chaque Module de Relève est constitué de trois parties essentielles: -La partie Modem -La partie CPU -La partie Interface
La partie Modem envoie et reçoit des informations numériques de façon synchrone en utilisant la modulation en tout ou rien de deux fréquences
situés dans la bande 1 à 95 Khz, les informations transitent sur la ligne
secteur à une vitesse d'environ de 150bits/seandes. Cette partie permet ainsi l'émission et la réception des signaux de données et de contrôle sur la ligne de courant électrique. Un système de ~age élimine les bruits impulsionnels, ainsi que les variations d' impédance toueurs présents sur les lignes de courant électrique. Each Reading Module consists of three essential parts: -The Modem part -The CPU part -The Interface part
The Modem part sends and receives digital information synchronously using all or nothing modulation of two frequencies
located in the band 1 to 95 Khz, the information travels on the line
sector at a speed of around 150bits / seandes. This part thus allows the transmission and reception of data and control signals on the electric current line. A system of ~ age eliminates impulse noises, as well as the variations of impedance toueurs present on the lines of electric current.

La partie UC: stocke, analyse, et traite les données qu'elle reçoit ou qu'elle doit émettre, gère le fonctionnement du Module de Relève et assure les taches'de: -La lecture et la sauvegarde des mesures en provenance du Compteur Abonné, -Le contrôle et de surveillance du Compteur Abonné -La communication avec le ModuleConcentrateur pour la transmissiondel'en- semble des données relatives au Compteur Abonné.The CPU part: stores, analyzes, and processes the data it receives or must send, manages the operation of the Reading Module and ensures the tasks of: -Reading and saving measurements from the Subscriber Counter , - Control and monitoring of the Subscriber Counter - Communication with the Concentrator Module for the transmission of all data relating to the Subscriber Counter.

-le codage du Module de relève afin de permettre son l'identification par le Module
Concentrateur
La partie Interface permet 1' acquisition par le Module de Relève de: -la consommation du compteur sous forme d'impulsions électriques. Ses impulsions pouvant provenir: soient de compteurs de type électronique générant directement les impulsions, soient d'un dispositif optoéléctronique rajouté sur les aomp teurs éléctromécaniques comptabilisant les rotations du disque magnétique de comptage et/ou le bon décrement des systèmes de pré-paiement -le contrôle du bon fonctionnement du compteur et des éventuelles tentative de mal veillance ou de fraude à son encontre.- the coding of the Reading Module in order to allow its identification by the Module
Concentrator
The Interface part allows the acquisition by the Reading Module of: -the consumption of the meter in the form of electrical pulses. Its pulses can come from: either electronic type counters directly generating the pulses, or an optoelectronic device added to the electromechanical counters counting the rotations of the magnetic counting disc and / or the correct decrement of the prepayment systems. control of the correct functioning of the meter and any attempt at ill-watch or fraud against it.

Le Module Concentrateur est conçu pour 1' émission et la réception de signaux de données et de contrôle sur une ligne de courant électrique. il fonctionne par la modulation en tout ou rien de deux fréquences (Type FSK: Frequency
Shift Keying). Le Module Concentrateur permet l'interrogation et la commande de
l'ensemble des Modules de Relève, de 1 à 256 par phase, connectés à la ligne
secteur, de façon sélective ou globale.The Concentrator Module is designed for the transmission and reception of data and control signals on an electric current line. it works by all or nothing modulation of two frequencies (Type FSK: Frequency
Shift Keying). The Concentrator Module allows interrogation and command of
all of the Relay Modules, from 1 to 256 per phase, connected to the line
sector, selectively or globally.

Chaque Module UC est constitué de trois parties essentielles: -La partie Modem -La partie CPU -La partie Interface
La partie Modem envoie et reçoit des informations numériques de façon synchrone en utilisant la modulation en tout ou rien de deux fréquences situés dans la bande 1 à 95 Khz, les informations transitent sur la ligne secteur à une vitesse d'environ de 150 bits/secondes. Cette partie permet ainsi l'émission et la réception des signaux de données et de contrôle sur la ligne de courant électri- que. Un système de filtrage élimine: les bruits impulsionnels, ainsi que les variations d' impédance toujours présents sur les lignes de courant électrique.Each CPU Module consists of three essential parts: -The Modem part -The CPU part -The Interface part
The Modem part sends and receives digital information synchronously using the all-or-nothing modulation of two frequencies located in the band 1 to 95 Khz, the information travels on the mains line at a speed of approximately 150 bits / second . This part thus allows the transmission and reception of data and control signals on the electric current line. A filtering system eliminates: impulse noises, as well as the impedance variations always present on electric power lines.

La partie CPU : stocke ,analyse, et traite les données qu'elle reçoit ou qu'elle doit émettre, gère le fonctionnement du Module Concentrateur et assure les taches de: -La lecture et la sauvegarde des mesures et Informations contenues dans les Regis- tres des Modules de Relève .Une horloge temps réel permettant de commander l'er- semble des opérations et d' horodaté les différents évènements -La commande des Modules de Relève.The CPU part: stores, analyzes, and processes the data it receives or must send, manages the operation of the Hub Module and performs the tasks of: -Reading and saving the measurements and Information contained in the Regis- very Relay Modules. A real time clock allowing to control the whole of the operations and of time-stamped the various events -The command of the Relay Modules.

-La communication avec le terminal local de téArelève, ou avec le modem téléphonique ou radio de consultation à distance. - Communication with the local terminal of téArelève, or with the telephone or radio modem for remote consultation.

le Module Concentrateur est équipé de plusieurs registres de mémoires non volatiles, permettant de sauvegarder ,même en cas de coupure secteur, les informations de mesure et de contrôle recueillis et transmises par les Modules de Relève
Le Module Concentrateur interroge et enregistre ,dans les registres de sa mémoire et à des dates anniversaires pré-programmés, les informations de rnesures et de contrôle représentatives de la consommation et du fonctionnement de l'ensemble des compteurs abonnés qu'il contrôle.the Concentrator Module is equipped with several registers of non-volatile memories, making it possible to save, even in the event of a power outage, the measurement and control information collected and transmitted by the Reading Modules
The Concentrator Module interrogates and records, in the registers of its memory and on pre-programmed anniversary dates, the measurement and control information representative of the consumption and operation of all the subscriber meters it controls.

Le Module Concentrateur enregistre et horodate les informations que lui commu nique chaque Module de Relève sur les tentatives de malveillance et de fraude que peuvent subir les compteurs abonnés ,qu'il sauvegarde dans les registres de sa mémoire et/ou communique aux personnes chargées d'intervenir.The Concentrator Module records and timestamps the information communicated to it by each Relay Module on malicious and fraud attempts that subscriber meters may undergo, which it saves in the registers of its memory and / or communicates to the persons responsible for intervene.

le Module Concentrateur enregistre et horodate les informations relatives aux ie adents pouvant survenir sur les Modules de Relève connectés à des compteurs équipés de système à pré-paiement, qu'il sauvegarde dans les registres de sa mémoire et/ou communique aux personnes chargées d'intervenir.the Concentrator Module records and timestamps the information relating to ieents that may occur on the Relay Modules connected to meters equipped with a prepayment system, which it saves in the registers of its memory and / or communicates to the persons responsible for intervene.

La partie interface permet la liaison entre le Module Concentrateur et le terminal local de télérelève ou le modem téléphonique ou radio de consultation à distance.The interface part allows the connection between the Concentrator Module and the local remote reading terminal or the telephone or radio modem for remote consultation.

L'ensemble du dispositif selon l'invention est particulièrement adaptés à la réalisation d'un système de Télérelève, des équipements de contrôle et de surveillance des installations de distribution d'énergie électrique, utilisant le câblage électrique comme support de transmission des signaux de données et de contrôle. The entire device according to the invention is particularly suitable for producing a remote reading system, control and monitoring equipment for electrical energy distribution installations, using electrical wiring as a medium for transmitting data signals. and control.

Claims (4)

REVENDICATIONS 1) Dispositif permettant la Télérelève des équipements de mesure et de contrôle des installations abonnées de distribution d' énergie électrique ,utilisant le câblage électrique comme support de transmission des signaux de données et de contrôle par Modulation et Démodulation en tout ou rien de deux fréquences, comprenant (Fig.CLAIMS 1) Device allowing the remote reading of the equipment of measurement and control of the subscribed installations of electrical energy distribution, using the electric wiring like support of transmission of the signals of data and control by Modulation and Demodulation in all or nothing of two frequencies , comprising (Fig. 1) des Modules de Relève (MR), un par abonné, reliés d'un coté directement sur la ligne secteur d'alimentation électrique, de l'autre directement raccordés sur les syses de mesure et de contrôle du compteur électrique et, un Module Conoentrateur ( M*C), relié au départ de la ligne de distribution électrique vers les abonnés, à la sortie Basse Tension du Poste de Transformateur caractérisé par le fait que le Module Concentrateur est équipé de plusieurs re gistres de mémoires non volatiles, permettant de sauvegarder ,meme en cas de coupure secteur, les informations de mesure et de contrôle recueillis et transmises par les Modules de Relève. 1) Reading Modules (MR), one per subscriber, connected on one side directly to the power supply line, on the other directly connected to the measurement and control systems of the electric meter and, a Module Conoentrator (M * C), connected at the start of the electrical distribution line to subscribers, at the Low Voltage output of the Transformer Station characterized in that the Concentrator Module is equipped with several registers of non-volatile memories, allowing save, even in the event of a power outage, the measurement and control information collected and transmitted by the Reading Modules. 2) Dispositif selon la revendication 1 , caractérisé en ce que le Module2) Device according to claim 1, characterized in that the Module Concentrateur interroge et enregistre ,dans les registres de sa mémoire et à desConcentrator interrogates and records, in the registers of its memory and to dates anniversaires pre pwamniés, les informations de mesures et de contrôle représentatives de la consommation et du fonctionnement de l'ensemble des compteurs abonnés qu'il contrôle. pre-paid birthdays, measurement and control information representative of the consumption and operation of all the subscriber meters it monitors. 3)Dispositif selon la revendication 1, caractérisé en ce que le Module3) Device according to claim 1, characterized in that the Module Concentrateur enregistre et horodate les informations que lui communique chaque Module de Relève sur les tentatives de malveillance et de fraude que peuvent subir les compteurs abonnés ,qu'il sauvegarde dans les registres de sa mémoire et/ou communique aux personnes chargées d'intervenir.Concentrator records and timestamps the information communicated to it by each Relay Module on the malicious and fraud attempts that subscriber meters may undergo, which it saves in the registers of its memory and / or communicates to the persons responsible for intervening. 4)Dispositif selon les revendications 1 et3, caractérisé en ce que leMo- dule Concentrateur enregistre et horodate les informations relativesauxincidents pouvant survenir sur les Modules de Relève connectés à des aomp teurs équipés de système à pré-paiement, qu'il sauvegarde dans les registres de sa mémoire et/ou communique aux personnes chargées d'intervenir. 4) Device according to claims 1 and 3, characterized in that the concentrator module records and timestamps the information relating to incidents that may occur on the relief modules connected to controllers equipped with a prepayment system, which it saves in the registers of his memory and / or communicates to the persons responsible for intervening.
FR9415222A 1994-12-14 1994-12-14 SYSTEM FOR REMOTE MEASUREMENT AND CONTROL EQUIPMENT OF ELECTRIC POWER DISTRIBUTION FACILITIES Expired - Fee Related FR2728423B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9415222A FR2728423B1 (en) 1994-12-14 1994-12-14 SYSTEM FOR REMOTE MEASUREMENT AND CONTROL EQUIPMENT OF ELECTRIC POWER DISTRIBUTION FACILITIES

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9415222A FR2728423B1 (en) 1994-12-14 1994-12-14 SYSTEM FOR REMOTE MEASUREMENT AND CONTROL EQUIPMENT OF ELECTRIC POWER DISTRIBUTION FACILITIES

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FR2728423A1 true FR2728423A1 (en) 1996-06-21
FR2728423B1 FR2728423B1 (en) 1998-04-10

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19632180A1 (en) * 1996-08-03 1998-02-05 Ind Technik Froeschl Gmbh Meter data transmission method especially for industry - temporally storing transmitted data from meter in mailbox in data transmission system and retrieving data by authorised user
WO1998045717A2 (en) * 1997-04-10 1998-10-15 Nexsys Commtech International Inc. Remote home monitoring system
US7049976B2 (en) 2002-04-15 2006-05-23 Hunt Power, L.P. User-installable power consumption monitoring system
WO2010082808A2 (en) * 2009-01-13 2010-07-22 Escobar Castelo Jose Eduardo System for the remote control and management of electric power
CN106803342A (en) * 2016-12-13 2017-06-06 国网北京市电力公司 Mobile detection apparatus and fault detection method and device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4357601A (en) * 1980-09-02 1982-11-02 Bell Telephone Laboratories, Incorporated Tamper protection for an automatic remote meter reading unit
GB2125595A (en) * 1982-08-17 1984-03-07 Westinghouse Electric Corp Electric utility automated distribution apparatus with improved data display
US4811011A (en) * 1986-04-30 1989-03-07 Johann Sollinger Automatic metering apparatus
US5381462A (en) * 1992-05-29 1995-01-10 Datran Systems Corporation Utility monitor communications systems

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4357601A (en) * 1980-09-02 1982-11-02 Bell Telephone Laboratories, Incorporated Tamper protection for an automatic remote meter reading unit
GB2125595A (en) * 1982-08-17 1984-03-07 Westinghouse Electric Corp Electric utility automated distribution apparatus with improved data display
US4811011A (en) * 1986-04-30 1989-03-07 Johann Sollinger Automatic metering apparatus
US5381462A (en) * 1992-05-29 1995-01-10 Datran Systems Corporation Utility monitor communications systems

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19632180A1 (en) * 1996-08-03 1998-02-05 Ind Technik Froeschl Gmbh Meter data transmission method especially for industry - temporally storing transmitted data from meter in mailbox in data transmission system and retrieving data by authorised user
DE19632180C2 (en) * 1996-08-03 2000-05-18 Itf Edv Froeschl Gmbh Method and system for transmitting data from registering and / or controlling devices to authorized persons
WO1998045717A2 (en) * 1997-04-10 1998-10-15 Nexsys Commtech International Inc. Remote home monitoring system
WO1998045717A3 (en) * 1997-04-10 1999-01-07 Nexsys Commtech International Remote home monitoring system
US7049976B2 (en) 2002-04-15 2006-05-23 Hunt Power, L.P. User-installable power consumption monitoring system
WO2010082808A2 (en) * 2009-01-13 2010-07-22 Escobar Castelo Jose Eduardo System for the remote control and management of electric power
WO2010082808A3 (en) * 2009-01-13 2010-10-14 Escobar Castelo Jose Eduardo System for remote power control and management with an automatically protected bidirectional electric power meter, detection of power theft and protection against overloads and short-circuits, and a system for connection, disconnection and communication by plc modem and/or rf, known as the sce-condex b system
CN106803342A (en) * 2016-12-13 2017-06-06 国网北京市电力公司 Mobile detection apparatus and fault detection method and device

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