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1. WO2022006414 - SYSTEMS AND METHODS FOR PHASE IDENTIFICATION USING RELATIVE PHASE ANGLE MEASUREMENTS

Publication Number WO/2022/006414
Publication Date 06.01.2022
International Application No. PCT/US2021/040116
International Filing Date 01.07.2021
IPC
G01R 29/18 2006.1
GPHYSICS
01MEASURING; TESTING
RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
29Arrangements for measuring or indicating electric quantities not covered by groups G01R19/-G01R27/135
18Indicating phase sequence; Indicating synchronism
G01R 25/00 2006.1
GPHYSICS
01MEASURING; TESTING
RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
25Arrangements for measuring phase angle between a voltage and a current or between voltages or currents
H02J 13/00 2006.1
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
Applicants
  • ACLARA TECHNOLOGIES LLC [US]/[US]
Inventors
  • FLECK, Christopher
  • SMITH, Roger
  • ROSS, Rebecca
  • HAYNES, David
Agents
  • BROOKS, Kenneth S.
Priority Data
63/047,44202.07.2020US
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) SYSTEMS AND METHODS FOR PHASE IDENTIFICATION USING RELATIVE PHASE ANGLE MEASUREMENTS
(FR) SYSTÈMES ET PROCÉDÉS D'IDENTIFICATION DE PHASE À L'AIDE DE MESURES D'ANGLES DE PHASE RELATIFS
Abstract
(EN) Systems for determining a phase of a device coupled to an electrical distribution system. The system includes a number of gateway devices configured to transmit a synchronization signal. The gateway device receives a node response message from a first node device that includes a duration value indicating a time between a receipt of the transmitted synchronization signal and a detected zero crossing. The gateway device compares the duration value against duration values received from node devices with a known phase connection and determines a phase of the first node device based on the comparison.
(FR) Systèmes de détermination d'une phase d'un dispositif couplé à un système de distribution électrique. Le système comprend un certain nombre de dispositifs passerelles configurés pour émettre un signal de synchronisation. Le dispositif passerelle reçoit un message de réponse de nœud en provenance d'un premier dispositif nœud qui comprend une valeur de durée indiquant un temps entre une réception du signal de synchronisation émis et un passage par zéro détecté. Le dispositif passerelle compare la valeur de durée à des valeurs de durée reçues en provenance de dispositifs nœuds présentant une connexion de phase connue et détermine une phase du premier dispositif nœud en fonction de la comparaison.
Latest bibliographic data on file with the International Bureau