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1. WO2020141390 - DIRECT CURRENT (DC) INTERCONNECTION SYSTEM FOR MEDIUM VOLTAGE ALTERNATING CURRENT (MVAC) DISTRIBUTION NETWORK

Publication Number WO/2020/141390
Publication Date 09.07.2020
International Application No. PCT/IB2019/061045
International Filing Date 18.12.2019
IPC
H02J 3/00 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
3Circuit arrangements for ac mains or ac distribution networks
H02J 3/36 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
3Circuit arrangements for ac mains or ac distribution networks
36Arrangements for transfer of electric power between ac networks via a high-tension dc link
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
CPC
H02J 13/00004
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
00004characterised by the power network being locally controlled
H02J 13/00034
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
00032Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
00034the elements or equipment being or involving an electric power substation
H02J 13/00036
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
00032Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
00036the elements or equipment being or involving switches, relays or circuit breakers
H02J 3/001
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
001Methods to deal with contingencies, e.g. abnormalities, faults or failures
H02J 3/0073
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
007Arrangements for selectively connecting the load or loads to one or several among a plurality of power lines or power sources
0073for providing alternative feeding paths between load and source when the main path fails, e.g. transformers, busbars
H02J 3/0075
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
007Arrangements for selectively connecting the load or loads to one or several among a plurality of power lines or power sources
0075for providing alternative feeding paths between load and source according to economic or energy efficiency considerations, e.g. economic dispatch
Applicants
  • ABB SCHWEIZ AG [CH]/[CH]
Inventors
  • MAJUMDER, Ritwik
  • DIJKHUIZEN, Frans
  • BERGGREN, Bertil
Priority Data
16/236,87331.12.2018US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) DIRECT CURRENT (DC) INTERCONNECTION SYSTEM FOR MEDIUM VOLTAGE ALTERNATING CURRENT (MVAC) DISTRIBUTION NETWORK
(FR) SYSTÈME D'INTERCONNEXION À COURANT CONTINU (CC) POUR RÉSEAU DE DISTRIBUTION DE COURANT ALTERNATIF MOYENNE TENSION (MVAC)
Abstract
(EN)
Systems, methods, techniques, and apparatuses of a medium voltage alternating current (MVAC) network are disclosed. One exemplary embodiment is a direct current (DC) interconnection system (160) for an MVAC distribution network (100) including an AC/AC power converter (170) including a first AC terminal (177) and a second AC terminal (179); a plurality of switching devices (163) structured to selectively couple a first AC terminal (177) to a plurality of feeder line points (122,127,132) in the MVAC network (100); and a control system (161) structured to receive a set of measurements, calculate a headroom value for each feeder line point using the set of measurements, select a first feeder line point using the calculated headroom values, operate the plurality of switching devices (163) so as to couple the first AC terminal (177) to the first feeder line point, and operate the AC/AC power converter (170) so as to transmit MVAC power from the first AC terminal (177) to the first feeder line point.
(FR)
Systèmes, procédés, techniques et appareils d'un réseau de courant alternatif moyenne tension (MVAC). Un mode de réalisation donné à titre d'exemple est un système d'interconnexion à courant continu (CC) pour un réseau de distribution MVAC (100) comprenant un convertisseur de puissance CA/CA (170) comprenant une première borne CA (177) et une seconde borne CA (179); une pluralité de dispositifs de commutation (163) structurés pour coupler sélectivement une première borne CA (177) à une pluralité de points de ligne d'alimentation (122, 127, 132) dans le réseau MVAC (100); et un système de commande (161) structuré pour recevoir un ensemble de mesures, calculer une valeur de marge pour chaque point de ligne d'alimentation à l'aide de l'ensemble de mesures, sélectionner un premier point de ligne d'alimentation à l'aide des valeurs de marge calculées, faire fonctionner la pluralité de dispositifs de commutation (163) de façon à coupler la première borne CA (177) au premier point de ligne d'alimentation, et faire fonctionner le convertisseur de puissance CA/CA (170) de façon à transmettre la puissance MVAC de la première borne CA (177) au premier point de ligne d'alimentation.
Also published as
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