POWER SUPPLY AND DISTRIBUTION NETWORKS

WIPO Patent Application WO/2022/258782

A3

A power supply system comprises a first node connected to a second node via an electrically conducting cable, wherein the cable is conducting alternating current at high frequency (e.g. 100Hz or higher, e.g. 20KHz or higher) between the first and second nodes, and the electrically conducting cable is a capacitive cable. A power supply at the high frequency can be connected to the first node, or a power supply at 50 or 60Hz can be connected to a converter outputting power at the high frequency with the converter output connected to the first node. A converter can be connected to the second node, or an electrical appliance operating using high frequency power can be connected to the second node. A related wireless electric vehicle charging system comprises (a) a power supply, optionally a power supply system of the invention, (b) an inverter connected to the power supply and adapted to output power at a high frequency, e.g. 1kHz and above, and (c) a plurality of wireless charging stations, each comprising at least one transmitter, wherein the inverter is connected to each of the plurality of wireless charging stations using a capacitive cable.

LUCAS-CLEMENTS CHARLES (GB)
HAJILOO ASHKAN DARIA (GB)
MOGHADAM MANSOUR SALEHI (GB)
O'BRIEN GARETH (GB)
QUENNELL DOMINIC (GB)

PCT/EP2022/065760

March 16, 2023

June 09, 2022

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CAPACTECH LTD (GB)

H02M1/00; B60L53/12; B60L53/122

WO2010026380A1	2010-03-11
WO2016073269A1	2016-05-12
WO2021094782A1	2021-05-20
WO2012058466A1	2012-05-03

US20120262002A1	2012-10-18
CN204349789U	2015-05-20
GB2520037A	2015-05-13
JP2003219652A	2003-07-31

BUTTON R M ET AL: "Development and testing of a 20 kHz component test bed", 19890806; 19890806 - 19890811, 6 August 1989 (1989-08-06), pages 605 - 610, XP010089777

SCHLICH, George William (GB)

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