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1. (WO2018100051) IMPROVEMENTS IN OR RELATING TO HVDC POWER CONVERTERS
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Pub. No.: WO/2018/100051 International Application No.: PCT/EP2017/080951
Publication Date: 07.06.2018 International Filing Date: 30.11.2017
IPC:
H02M 1/32 (2007.01) ,H02M 7/483 (2007.01) ,H02M 1/36 (2007.01)
H ELECTRICITY
02
GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
M
APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
1
Details of apparatus for conversion
32
Means for protecting converters other than by automatic disconnection
H ELECTRICITY
02
GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
M
APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
7
Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
42
Conversion of dc power input into ac power output without possibility of reversal
44
by static converters
48
using discharge tubes with control electrode or semiconductor devices with control electrode
483
Converters with outputs that each can have more than two voltage levels
H ELECTRICITY
02
GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
M
APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
1
Details of apparatus for conversion
36
Means for starting or stopping converters
Applicants:
GENERAL ELECTRIC TECHNOLOGY GMBH [CH/CH]; Brown Boveri Strasse 7 5400 Baden, CH
Inventors:
ADAMCZYK, Andrzej; GB
GUPTA, Robin; GB
Agent:
CLEARY, Fidelma; GB
Priority Data:
16201775.001.12.2016EP
Title (EN) IMPROVEMENTS IN OR RELATING TO HVDC POWER CONVERTERS
(FR) PERFECTIONNEMENTS APPORTÉS OU SE RAPPORTANT À DES CONVERTISSEURS DE SECTEUR CCHT
Abstract:
(EN) In the field of high voltage direct current (HVDC) power converters there is provided a HVDC power converter (10; 70; 80; 90; 100) which comprises first and second DC terminals (12, 14) for connection to a DC network (16). The power converter (10; 70; 80; 90; 100) also includes at least one converter limb (18A, 18B, 18C). The or each converter limb (18A, 18B, 18C) extends between the first and second DC terminals (12, 4) and includes first and second limb portions (22A, 22B, 22C, 24A, 24B, 24C) that are separated by a respective AC terminal (26A, 26B, 26C). The AC terminal (26A, 26B, 26C) of the or each converter limb (18A, 18B, 18C) is for connection to a respective AC phase (a, b, c) of an AC network (20). The or each first limb portion (22A, 22B, 22C) extends between the first DC terminal (12) and a corresponding AC terminal (26A, 26B, 26C), and the or each second limb portion (24A, 24B, 24C) extends between the second DC terminal(14) and a corresponding AC terminal (26A, 26B, 26C). Each limb portion (22A, 22B, 22C, 24A, 24B, 24C) includes a respective valve (28) that is operable to selectively permit the flow of current through the corresponding limb portion (22A, 22B, 22C, 24A, 24B, 24C) and hence between a respective DC terminal (12, 14) and the corresponding AC terminal(26A, 26B, 26C) to thereby in use transfer power between the DC and AC networks (16, 20). The power converter (10; 70; 80; 90; 100) also includes at least one discharge circuit (44) which is electrically connected between at least one converter limb (18A, 18B, 18C) and ground (50) to selectively provide a current discharge path (54) from the or each converter limb (18A, 8B, 18C) to ground (50).
(FR) Dans le domaine des convertisseurs de secteur à courant continu à haute tension (CCHT), l'invention concerne un convertisseur de secteur CCHT (10 ; 70 ; 80 ; 90 ; 100) qui comprend des première et seconde bornes CC (12, 14) pour une connexion à un réseau CC (16). Le convertisseur de secteur (10 ; 70 ; 80 ; 90 ; 100) comprend également au moins un bras de convertisseur (18A, 18B, 18C). Chaque bras de convertisseur (18A, 18B, 18C) s'étend entre des première et secondes bornes CC (12, 4) et comprend des première et seconde parties de bras (22A, 22B, 22C, 24A, 24B, 24C) qui sont séparées par une borne CA (26A, 26B, 26C) respective. La borne CA (26A, 26B, 26C) de chaque bras de convertisseur (18A, 18B, 18C) est destinée à être connectée à une phase CA (a, b, c) respective d'un réseau CA (20). Chaque première partie de bras (22A, 22B, 22C) s'étend entre la première borne CC (12) et une borne CA (26A, 26B, 26C) correspondante, et chaque seconde partie de bras (24A, 24B, 24C) s'étend entre la seconde borne CC (14) et une borne CA (26A, 26B, 26C) correspondante. Chaque partie de bras (22A, 22B, 22C, 24A, 24B, 24C) comprend une soupape (28) respective qui a pour fonction de permettre sélectivement la circulation du courant à travers la partie de bras (22A, 22B, 22C, 24A, 24B, 24C) correspondante et donc entre une borne CC (12, 14) respective et la borne CA (26A, 26B, 26C) correspondante pour ainsi transférer, lors de l'utilisation, la puissance entre les réseaux CC et CA (16, 20). Le convertisseur de secteur (10 ; 70 ; 80 ; 90 ; 100) comprend également au moins un circuit de décharge (44) qui est connecté électriquement entre au moins un bras de convertisseur (18A, 18B, 18C) et la terre (50) en vue de fournir sélectivement un trajet de décharge de courant (54) à partir de chaque bras de convertisseur (18A, 8B, 18C) à la terre (50).
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)