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1. WO1996006477 - CONVERTER CONNECTION WITH A BALANCING CIRCUIT

Publication Number WO/1996/006477
Publication Date 29.02.1996
International Application No. PCT/SE1995/000839
International Filing Date 10.07.1995
IPC
H02J 3/36 2006.01
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
H02M 3/158 2006.01
HELECTRICITY
02GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
MAPPARATUS 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
3Conversion of dc power input into dc power output
02without intermediate conversion into ac
04by static converters
10using discharge tubes with control electrode or semiconductor devices with control electrode
145using devices of a triode or transistor type requiring continuous application of a control signal
155using semiconductor devices only
156with automatic control of output voltage or current, e.g. switching regulators
158including plural semiconductor devices as final control devices for a single load
H02M 7/217 2006.01
HELECTRICITY
02GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
MAPPARATUS 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
7Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
02Conversion of ac power input into dc power output without possibility of reversal
04by static converters
12using discharge tubes with control electrode or semiconductor devices with control electrode
21using devices of a triode or transistor type requiring continuous application of a control signal
217using semiconductor devices only
CPC
H02J 3/36
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
H02M 3/158
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
MAPPARATUS 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
3Conversion of dc power input into dc power output
02without intermediate conversion into ac
04by static converters
10using discharge tubes with control electrode or semiconductor devices with control electrode
145using devices of a triode or transistor type requiring continuous application of a control signal
155using semiconductor devices only
156with automatic control of output voltage or current, e.g. switching regulators
158including plural semiconductor devices as final control devices for a single load
H02M 7/2173
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
MAPPARATUS 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
7Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
02Conversion of ac power input into dc power output without possibility of reversal
04by static converters
12using discharge tubes with control electrode or semiconductor devices with control electrode
21using devices of a triode or transistor type requiring continuous application of a control signal
217using semiconductor devices only
2173in a biphase or polyphase circuit arrangement
Y02E 60/60
YSECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
60Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
60Arrangements for transfer of electric power between AC networks via a high-tension DC link, HVDC transmission
Applicants
  • ASEA BROWN BOVERI AB [SE/SE]; S-721 83 Västerås, SE
Inventors
  • ASPLUND, Gunnar; SE
Agents
  • LUNDBLAD VANNESJÖ, Katarina; Asea Brown Boveri AB Patent S-721 78 Västerås, SE
Priority Data
9402827-124.08.1994SE
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) CONVERTER CONNECTION WITH A BALANCING CIRCUIT
(FR) MONTAGE CONVERTISSEUR AVEC CIRCUIT D'EQUILIBRAGE
Abstract
(EN)
A converter connection for conversion between alternating voltage and direct voltage, for connection to a power network (DCN) having a neutral pole (PO) and at least one pole (P+, P-) energized by direct voltage in relation to the neutral pole, comprises a voltage-source converter (VC) with two direct-voltage terminals (DP, DM). At least one of the direct-voltage terminals of the converter is connected by means of an electric pole conductor (W1, W12, W11, W21, W2) to at least one of the poles of the power network which are energized by direct voltage. The converter connection further comprises two valves (V7, V8) mutually series-connected at a common point of connection (J), each of said valves comprising a gate turn-off semiconductor valve (T1) and a diode valve (D1) connected thereto in anti-parallel connection, said series connection being connected between the direct-voltage terminals of the converter, and a reactor (SL) with a first terminal (T1) connected to the connection point and a second terminal (T2) which communicates with the neutral pole in an electrically conducting connection. The converter connection may be accommodated in a converter station (SR1 and SR2, respectively) included in an installation for transmission of high-voltage direct current.
(FR)
Montage convertisseur pour la conversion entre courant alternatif et courant continu, en vue du raccordement à un réseau d'alimentation (DCN) possédant un pôle neutre (P0) et au moins un pôle (P+, P-) activé par le courant continu en relation avec le pôle neutre. Le montage comprend un convertisseur de source de tension (VC) avec deux bornes de courant continu (DP, DM). L'une au moins des bornes de courant continu du convertisseur est connectée au moyen d'un conducteur à pôle électrique (W1, W12, W11, W21, W2) à l'un au moins des pôles du réseau d'alimentation qui reçoivent la tension de courant continu. Le montage convertisseur comprend en outre deux valves (V7, V8) connectées mutuellement en série sur un point de connexion commun (J) et dont chacune comporte une valve GTO à semi-conducteur (T1) et une valve à diode (D1) reliée à celle-ci dans une connexion antiparallèle. Ce montage en série est connecté entre les bornes de courant continu du convertisseur et un réacteur (SL) pourvu d'une première borne (T1) reliée au point de connexion et d'une deuxième borne (T2) qui communique avec le pôle neutre dans une liaison conductrice d'électricité. Le montage convertisseur peut être installé dans un poste de conversion (SR1 et SR2, respectivement) inclus dans une installation de transmission de courant continu de haute tension.
Also published as
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