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1. WO2021062464 - SYSTEM FOR MONITORING A MULTIPLE EARTH NEUTRAL (MEN) LINK

Publication Number WO/2021/062464
Publication Date 08.04.2021
International Application No. PCT/AU2020/051033
International Filing Date 28.09.2020
IPC
G01R 31/08 2020.01
GPHYSICS
01MEASURING; TESTING
RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
31Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
08Locating faults in cables, transmission lines, or networks
G01R 31/52 2020.01
GPHYSICS
01MEASURING; TESTING
RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
31Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
50Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
52Testing for short-circuits, leakage current or ground faults
H02H 7/26 2006.01
HELECTRICITY
02GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
7Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
26Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occurred
CPC
G01R 19/2513
GPHYSICS
01MEASURING; TESTING
RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
19Arrangements for measuring currents or voltages or for indicating presence or sign thereof
25using digital measurement techniques
2513Arrangements for monitoring electric power systems, e.g. power lines or loads; Logging
G01R 27/18
GPHYSICS
01MEASURING; TESTING
RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
27Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
02Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
16Measuring impedance of element or network through which a current is passing from another source, e.g. cable, power line
18Measuring resistance to earth ; , i.e. line to ground
G01R 31/086
GPHYSICS
01MEASURING; TESTING
RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
31Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
08Locating faults in cables, transmission lines, or networks
081according to type of conductors
086in power transmission or distribution networks, i.e. with interconnected conductors
G01R 31/088
GPHYSICS
01MEASURING; TESTING
RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
31Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
08Locating faults in cables, transmission lines, or networks
088Aspects of digital computing
G08C 19/025
GPHYSICS
08SIGNALLING
CTRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
19Electric signal transmission systems
02in which the signal transmitted is magnitude of current or voltage
025using fixed values of magnitude of current or voltage
H02H 1/0061
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
1Details of emergency protective circuit arrangements
0061concerning transmission of signals
Applicants
  • RED EARTH ENERGY STORAGE LTD [AU]/[AU]
Inventors
  • EBZERY, Bruce
  • SIMONELLI, Adam
Agents
  • SPRUSON & FERGUSON
Priority Data
201990367830.09.2019AU
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) SYSTEM FOR MONITORING A MULTIPLE EARTH NEUTRAL (MEN) LINK
(FR) SYSTÈME DE SURVEILLANCE D'UNE LIAISON À MULTIPLES MISES À LA TERRE DE PROTECTION (MEN)
Abstract
(EN)
A system for monitoring a multiple earth neutral (MEN) link enables the improved safety of electrical switchboards installed in buildings and other locations. The system comprises a switchboard connected to a mains power supply via an active power line and a neutral line; a MEN link connected to the neutral line and to an earthing conductor; an energy storage system connected to the switchboard; and a hardware interface comprising: a first communication link to an external network, a second communication link to the energy storage system, a first data input channel connected to the earthing conductor, a second data input channel connected to the MEN link, a third data input channel connected to the neutral line, and a fourth data input channel connected to the active power line; wherein the first communication link is enabled to transmit status signals concerning the energy storage system and the MEN link.
(FR)
La présente invention concerne un système de surveillance d'une liaison à multiples mises à la terre de protection (MEN), permettant d'améliorer la sécurité de tableaux de contrôle électrique installés dans des bâtiments et d'autres emplacements. Le système comprend un tableau de contrôle connecté à une alimentation électrique de secteur par l'intermédiaire d'une ligne d'alimentation active et d'une ligne neutre ; une liaison MEN connectée à la ligne neutre et à un conducteur de mise à la terre ; un système de stockage d'énergie connecté au tableau de contrôle ; et une interface matérielle comprenant : une première liaison de communication vers un réseau externe, une seconde liaison de communication vers le système de stockage d'énergie, un premier canal d'entrée de données connecté au conducteur de mise à la terre, un deuxième canal d'entrée de données connecté à la liaison MEN, un troisième canal d'entrée de données connecté à la ligne neutre, et un quatrième canal d'entrée de données connecté à la ligne d'alimentation active ; la première liaison de communication étant capable de transmettre des signaux d'état concernant le système de stockage d'énergie et la liaison MEN.
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