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1. WO2017137964 - SYSTEM AND METHOD OF POWER GRID MONITORING

Publication Number WO/2017/137964
Publication Date 17.08.2017
International Application No. PCT/IB2017/050790
International Filing Date 13.02.2017
IPC
H02J 3/00 2006.01
HELECTRICITY
02GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
3Circuit arrangements for ac mains or ac distribution networks
G01R 19/25 2006.01
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
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 23/20
GPHYSICS
01MEASURING; TESTING
RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
23Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
16Spectrum analysis; Fourier analysis
20Measurement of non-linear distortion ; , e.g. harmonics or noise,
H02J 13/00002
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
13Circuit 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
00002characterised by monitoring
H02J 13/0017
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
13Circuit 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
0006for single frequency AC networks
0013characterised by transmission structure between the control or monitoring unit and the controlled or monitored unit
0017with direct transmission between the control or monitoring unit and the controlled or monitored unit
H02J 13/0075
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
13Circuit 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
0006for single frequency AC networks
0013characterised by transmission structure between the control or monitoring unit and the controlled or monitored unit
0017with direct transmission between the control or monitoring unit and the controlled or monitored unit
0075using radio means
Y02E 60/00
YSECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
60Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
Applicants
  • LIVE POWER INTELLIGENCE COMPANY NA, LLC [US]/[US]
  • TOWNSEND, William [US]/[US]
Inventors
  • TOWNSEND, William
Agents
  • DEWITT, Timothy R.
Priority Data
62/294,05611.02.2016US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) SYSTEM AND METHOD OF POWER GRID MONITORING
(FR) SYSTÈME ET PROCÉDÉ DE SURVEILLANCE DE RÉSEAU ÉLECTRIQUE
Abstract
(EN)
The application discloses a method and apparatus for determining an operational status of one or more power grid components (35) of a power grid (30). The grid components (35) have component signatures representative of the operational status of the power grid component (35). The method comprises obtaining using a monitor (20) at least one of a current waveform or a voltage waveform at a location, analyzing the obtained one of the current waveform or the voltage waveform, establishing one or more waveform data values of the waveform, accessing a database having a plurality of component signatures, and by comparison of the waveform data values with the component signatures producing one or more results representative of the operational status.
(FR)
L'invention concerne un procédé et un appareil destinés à déterminer un état de fonctionnement d'un ou plusieurs composants (35) d'un réseau électrique (30). Les composants de réseau (35) ont des signatures de composant représentant l'état de fonctionnement du composant de réseau électrique (35). Le procédé consiste à obtenir, au moyen d'un dispositif de surveillance (20), une forme d'onde de courant et/ou une forme d'onde de tension à un emplacement, à analyser la forme d'onde de courant et/ou la forme d'onde de tension obtenues, à établir une ou plusieurs valeurs de données de la forme d'onde, à accéder à une base de données contenant une pluralité de signatures de composant et, par comparaison des valeurs de données de forme d'onde aux signatures de composant, à produire un ou plusieurs résultats représentant l'état de fonctionnement.
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