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1. (WO2018133907) ENERGY RESET OF A MODULAR MULTILEVEL CONVERTER
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Pub. No.: WO/2018/133907 International Application No.: PCT/DK2017/050007
Publication Date: 26.07.2018 International Filing Date: 17.01.2017
IPC:
H02M 7/483 (2007.01) ,H02M 1/00 (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
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
Applicants:
POWERCON A/S [DK/DK]; Fabriksvej 6 DK-9560 Hadsund, DK
Inventors:
THØGERSEN, Paul Bach; DK
ABRAHAMSEN, Flemming; DK
JØRGENSEN, Allan Holm; DK
Agent:
PATENTGRUPPEN A/S; Aaboulevarden 31, 4th floor DK-8000 Aarhus C, DK
Priority Data:
Title (EN) ENERGY RESET OF A MODULAR MULTILEVEL CONVERTER
(FR) REMISE À ZÉRO D'ÉNERGIE D'UN CONVERTISSEUR MULTINIVEAU MODULAIRE
Abstract:
(EN) The invention relates to amethod of controlling the energy level of the armsof a power converter, wherein the armscompriseaplurality of switching modules controlled in successive energy control periods by a control signal from a converter controller,wherein the energy levels of the individual arms are controlled in the successive energy control periods according to the following steps: clamping the phase outputvoltage to a determined value having a first voltage potential in a first part of the energycontrol period, clamping the phase outputvoltage to a determined value having a second voltage potential in a second part of the energy control period, wherein the first and second voltage potentials are different, andcontrolling circulating currents in the armscoordinated with the phase output voltage clamping in order to obtain an energy reset within the energy control period.
(FR) L'invention concerne un procédé de commande du niveau d'énergie du bras d'un convertisseur de puissance, le bras comprenant une pluralité de modules de commutation commandés dans des périodes de commande d'énergie successives par un signal de commande provenant d'un dispositif de commande de convertisseur, les niveaux d'énergie des bras individuels étant commandés dans les périodes de commande d'énergie successives selon les étapes suivantes : fixer la tension de sortie de phase à une valeur déterminée ayant un premier potentiel de tension dans une première partie de la période de commande d'énergie, fixer la tension de sortie de phase à une valeur déterminée ayant un second potentiel de tension dans une seconde partie de la période de commande d'énergie, les premier et second potentiels de tension étant différents, et commander des courants de circulation dans le bras avec le fixation de tension de sortie de phase afin d'obtenir une réinitialisation d'énergie dans la période de commande d'énergie.
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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, 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)