US 12,470,093 B2
Monitoring system for an electrical transmission and/or distribution network
Bernhard Deck, Weilheim (DE); Stephan Gerspach, Herrischried (DE); and Michele Luvisotto, Västerås (SE)
Assigned to HITACHI ENERGY LTD, Zürich (CH)
Appl. No. 18/557,175
Filed by Hitachi Energy Ltd, Zürich (CH)
PCT Filed Apr. 25, 2022, PCT No. PCT/EP2022/060794
§ 371(c)(1), (2) Date Oct. 25, 2023,
PCT Pub. No. WO2022/229040, PCT Pub. Date Nov. 3, 2022.
Claims priority of application No. 21170493 (EP), filed on Apr. 26, 2021.
Prior Publication US 2024/0213820 A1, Jun. 27, 2024
Int. Cl. H04W 64/00 (2009.01); H02J 50/80 (2016.01); H02J 50/90 (2016.01)
CPC H02J 50/90 (2016.02) [H02J 50/80 (2016.02); H04W 64/00 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A monitoring system for an electrical network, comprising one or both of a transmission network or distribution network, the monitoring system comprising:
a short-range wireless transceiver arranged at a predetermined position relative to an equipment device of the electrical network and configured to receive a signal from a portable device; and
a controller configured to determine a location of the portable device based at least partially on the received signal and to verify if the determined location is within a predetermined alert zone at least partly surrounding the equipment device;
wherein the controller is further configured to
receive information indicating whether the equipment device is energised or de-energised, and
generate an alert signal in case the determined location is verified to be within the alert zone and the equipment device is energised.