ELECTRICAL SYSTEM FOR USE IN HIGH VOLTAGE DIRECT CURRENT MULTITERMINAL SWITCHING STATIONAn electrical system (300) comprising: a first busbar (302a); a second busbar (302b); a resistor module (306) comprising one or more resistors, the resistor module (306) being electrically coupled bet…DRIVE·Jun 10·1 min readFollowH02J3/36GE VERNOVA TECH GMBH [CH]
Energy supporting deviceAn energy supporting device for a high voltage direct current, HVDC, transmission system includes an energy supporting device for providing grid forming and/or virtual synchronous machine, VSM, capabi…DRIVE·Jun 9·1 min readFollowH02J3/36HITACHI ENERGY LTD
IMPROVEMENTS IN OR RELATING TO CHAIN-LINK MODULES FOR VOLTAGE SOURCE CONVERTERSIn the field of chain-link modules for voltage source converters, there is a need for an improved chain-link module.A chain-link module (10), for connection in series with other chain-link modules to …DRIVE·Jun 3·2 min readFollowH02J3/36GENERAL ELECTRIC TECHNOLOGY GMBH [CH]
RELATING TO CONNECTING TRANSFORMERS IN PARALLEL IN POWER TRANSMISSION NETWORKSThere is provided an electrical arrangement for a power transmission network, including first and second transformers of the star-delta type, each having respective primary and secondary winding sides…DRIVE·May 28·1 min readFollowH02J3/36GE Vernova Infrastructure Technology LLC
HVDC TRANSFORMER CONFIGURATION FOR SPLIT PCCsA HVDC transformer configuration for use in electrical power transmission to at least a first AC network and a second AC network. The configuration including a three single phase HVDC transformer, in …DRIVE·Apr 30·1 min readFollowH02J3/36GE Infrastructure Technology LLC
SYSTEMS AND METHODS FOR HIGH VOLTAGE DIRECT CURRENT BUS COUPLINGAt least one aspect of the present disclosure is directed to a high voltage direct current (HVDC) bus coupler system. The HVDC bus coupler system can include a monitoring unit to detect fault events. …DRIVE·Apr 9·1 min readFollowH02J3/36Caterpillar Inc.
DYNAMIC FREQUENCY COORDINATION CONTROL METHOD FOR ASYNCHRONOUS REGIONAL POWER GRIDS DURING WET AND DRY SEASONSA dynamic frequency coordination control method for asynchronous regional power grids during wet and dry seasons is provided. By using frequency synchronous control in VSC-HVDC, frequency consistency …DRIVE·Mar 19·1 min readFollowH02J3/36Kunming University of Science and Technology
METHOD AND APPARATUS FOR SUPPRESSING OSCILLATION ON DIRECT-CURRENT SIDE OF FLEXIBLE DIRECT-CURRENT POWER TRANSMISSION SYSTEM, AND COMPUTER-READABLE STORAGE MEDIUM AND ELECTRONIC DEVICEDisclosed in the application are a method and apparatus for suppressing oscillation on a direct current (DC) side of a flexible DC transmission system (FDCTS), a computer-readable storage medium, and …DRIVE·Feb 25·2 min readFollowH02J3/36STATE GRID CORP CHINA [CN]
OFFSHORE WIND FARM HIGH-FREQUENCY UNCONTROLLED RECTIFICATION DIRECT-CURRENT ELECTRIC POWER TRANSMISSION SYSTEMThe present disclosure provides a high-frequency uncontrolled rectifier-based DC transmission system for an offshore wind farm, including a DC system and an offshore AC system. The offshore AC system …DRIVE·Dec 31·2 min readFollowH02J3/36UNIV ZHEJIANG [CN]
IMPROVEMENTS IN OR RELATING TO POWER TRANSMISSION NETWORKSA multi-terminal power transmission network includes first and second DC terminals that are interconnected by a first transmission conduit to permit the transfer of power. The first DC terminal is con…DRIVE·Nov 13·2 min readFollowH02J3/36GE INFRASTRUCTURE TECHNOLOGY LLC
POWER CONVERSION SYSTEM AND CONTROL DEVICE FOR SAMEIn a power conversion system (10) according to one embodiment, a first power converter (11) is connected between a first AC power system (9), and a first DC main line (13A) and a DC return line (13B).…DRIVE·Nov 12·2 min readFollowH02J3/36MITSUBISHI ELECTRIC CORP [JP]
ENERGY MANAGEMENT SYSTEM FOR A HIGH-VOLTAGE DIRECT CURRENT (HVDC) TRANSMISSION NETWORKAn energy management system for a high-voltage direct current (HVDC) transmission network includes a HVDC transmission line with first and second ends and a corresponding HVDC voltage. A first modular…DRIVE·Jul 31·1 min readFollowH02J3/36KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
METHODS TO PROVIDE ELECTRIC POWER FROM RENEWABLE ENERGY EQUIPMENT TO AN ELECTRICAL LOADAn HVDC system comprising an AC/DC converter sub-system electrically connected to a renewable energy equipment and a VSC sub-system is provided. A method comprises operating the renewable energy equip…DRIVE·Jul 3·2 min readFollowH02J3/36SHELL USA INC.
HVDC POWER TRANSMISSIONThis application describes methods and apparatus for HVDC power distribution. A control apparatus (108) is described for controlling a frequency set-point for a first AC network (104) electrically con…DRIVE·Jun 18·2 min readFollowH02J3/36GENERAL ELECTRIC TECHNOLOGY GMBH [CH]
FLEXIBLE DIRECT-CURRENT TRANSMISSION LINE DISCHARGING METHOD AND APPARATUS, AND STORAGE MEDIUMThe application provides a discharge method and device for a voltage sourced converter direct-current transmission line and a storage medium. The method comprises: unlocking a converter valve; generat…DRIVE·May 21·1 min readFollowH02J3/36NR ELECTRIC CO LTD [CN]
RELATING TO CONNECTING A DC CONVERTER TO A DC SYSTEM IN POWER TRANSMISSION NETWORKSA method for connecting a DC converter to a DC system using a connection circuit, the connection circuit including a first switch connected in series between the DC converter and a second switch, the …DRIVE·May 15·2 min readFollowH02J3/36GE Infrastructure Technology LLC
Hybrid direct current transmission system and control method thereofThe present invention provides a hybrid direct current transmission system and a control method thereof, which belongs to the field of power electronics. The system includes: the rectifier side circui…DRIVE·May 15·2 min readFollowH02J3/36Inner Mongolia University of Technology
IN RELATION TO DYNAMIC BRAKING SYSTEMS FOR BIPOLE POWER TRANSMISSION NETWORKSA dynamic braking system for a bipole power transmission network including a first dynamic braking unit and a second dynamic braking unit connectable, respectively, between a first transmission pole a…DRIVE·Nov 28·2 min readFollowH02J3/36GE Infrastructure Technology LLC
DIRECT CURRENT CIRCUIT BREAKERA direct current circuit breaker includes a first breaking unit and a second breaking unit. The first breaking unit includes: a first circuit breaker inserted in a direct current line; and a resonance…DRIVE·Sep 19·1 min readFollowH02J3/36Mitsubishi Electric Corporation
ENERGY SUPPORTING DEVICEAn energy supporting device for a high voltage direct current, HVDC, transmission system is provided. The HVDC transmission system includes a first HVDC converter and a second HVDC converter connected…DRIVE·Aug 8·2 min readFollowH02J3/36Hitachi Energy Ltd
ASSEMBLYThere is provided an assembly for use in electrical power transmission. The assembly includes a building for housing an electrical power transmission component, a charging circuit, a grounding circuit…DRIVE·Jul 18·1 min readFollowH02J3/36GENERAL ELECTRIC TECHNOLOGY GMBH
CIRCUIT ARRANGEMENT FOR DECOUPLING A RECHARGEABLE BATTERY OF AN INVERTERA circuit arrangement for decoupling a rechargeable battery from a DC link of an inverter in the event of a fault is arranged in a pole line between the battery and the DC link. Each pole line is form…DRIVE·Jun 27·2 min readFollowH02J3/36ZF Friedrichshafen AG
CONTROL METHOD AND APPARATUS FOR HIGH-VOLTAGE, DIRECT CURRENT FIRST COMMUTATION FAILURE IN ALTERNATING-CURRENT FAULTA method, an apparatus and a device for suppressing a first HVDC commutation failure under an AC system fault are provided. The method includes: obtaining a three-phase voltage of a converter bus, and…DRIVE·May 16·1 min readFollowH02J3/36ELECTRIC POWER RESEARCH INSTITUTE. CHINA SOUTHERN POWER GRID
Bidirectional DC/AC Power Conversion System Having Multiple DC LinksEmbodiments of the present application relate to a bidirectional DC/AC power conversion system having multiple DC links, which comprises: a main DC link; at least one auxiliary DC link including at le…DRIVE·Mar 14·1 min readFollowH02J3/36SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
IMPROVEMENTS IN OR RELATING TO POWER DISSIPATING CONVERTERSIn the field of high voltage direct current (HVDC) power transmission, there is a need for an improved power dissipating converter (30). [0002] A power dissipating converter (30) for use with a power …DRIVE·Mar 13·3 min readFollowH02J3/36GENERAL ELECTRIC TECHNOLOGY GMBH [CH]
IMPROVEMENTS IN OR RELATING TO LINE COMMUTATED CONVERTERSIn the field of HVDC power transmission networks, there is a need for an improved line commutated converter. [0002] A line commutated converter (10) comprises a plurality of converter limbs (12A, 12B,…DRIVE·Mar 6·3 min readFollowH02J3/36GENERAL ELECTRIC TECHNOLOGY GMBH [CH]
SENSORS FOR USE IN HVDC POWER TRANSMISSION NETWORKSIn the field of high voltage direct current (HVDC) power transmission networks there is a need for an improved sensor failure detector. A sensor failure detector, for use in HVDC power transmission ne…DRIVE·Feb 15·1 min readFollowH02J3/36General Electric Technology GmbH
IMPROVEMENTS IN OR RELATING TO CONVERTER STATIONSIn the field of bipole power transmission schemes there is a need for an improved converter station. [0002] A converter station (10), for a bipole power transmission scheme, comprises a first voltage …DRIVE·Feb 14·3 min readFollowH02J3/36GENERAL ELECTRIC TECHNOLOGY GMBH [CH]
POWER CONVERSION DEVICE AND ESTIMATION DEVICEA power conversion device included in a self-excited DC power transmission system connected to an AC system includes a self-excited converter and a control device. The control device includes: a stora…DRIVE·Jan 11·1 min readFollowH02J3/36Mitsubishi Electric Corporation
Power Sharing Regulation for Solid State Transformer by Embedded Digital EqualizationA power electronics multilevel converter comprises one or more phase legs. Each respective phase leg of the one or more phase legs comprises a plurality of cells. Each respective cell of the plurality…DRIVE·Nov 9·1 min readFollowH02J3/36Huawei Digital Power Technologies Co., Ltd.
Power Conversion SystemA power conversion system including: a self-excited power converter that converts power between an alternating-current (AC) power system and a direct-current (DC) line; an AC circuit breaker disposed …DRIVE·Nov 2·1 min readFollowH02J3/36Mitsubishi Electric Corporation
DC ENERGY STORAGE SYSTEMA DC energy storage system may include first and second DC terminals for connection to a DC link, a DC energy storage converter including a number of modules connected in series between the first and …DRIVE·Oct 26·1 min readFollowH02J3/36General Electric Technology GmbH
ARRANGEMENT HAVING A DC TRANSMISSION LINK OR DC TRANSMISSION GRID AND METHOD FOR THE OPERATION THEREOFA method operates an arrangement having a DC transmission link or a DC transmission grid to which at least two converters each having an AC voltage side and a DC voltage side are connected. A grid sta…DRIVE·Oct 12·2 min readFollowH02J3/36Siemens Energy Global GmbH & Co. KG
BIPOLE POWER TRANSMISSION NETWORKSA bipole power transmission network includes a first upstream power converter which has a first DC terminal that is connected with a first transmission conduit which extends, in-use, to a first downst…DRIVE·Oct 5·1 min readFollowH02J3/36General Electric Technology GmbH
IMPROVEMENTS IN OR RELATING TO CONVERTER STATIONSA converter station, for a bipole power transmission scheme, includes a first voltage source converter and a second source converter. Each converters have a first terminal as transmission conduit and …DRIVE·Aug 10·1 min readFollowH02J3/36General Electric Technology GmbH
IMPROVEMENTS IN OR RELATING TO BIPOLE POWER TRANSMISSION SCHEMESA bipole power transmission scheme includes a first converter station positioned in-use remote from a second converter station, and first and second transmission conduits to in-use interconnect the fi…DRIVE·Jul 13·1 min readFollowH02J3/36General Electric Technology GmbH
ELECTRIC POWER SUPPLY APPARATUS FOR A HIGH-POWER USER DEVICEAn electric power supply apparatus for a user device, in particular for steel industry applications, that includes means for connection to an electricity grid for supplying a mains voltage and a mains…DRIVE·Mar 2·1 min readFollowH02J3/36DANIELI & C. OFFICINE MECCANICHE S.P.A.
HVDC POWER TRANSMISSIONThe present disclosure includes methods and apparatus for HVDC power distribution. A control apparatus is described for controlling a frequency set-point for a first AC network electrically connected …DRIVE·Jan 26·2 min readFollowH02J3/36General Electric Technology GmbH
ELECTRICAL ASSEMBLYAn electrical assembly comprises a plurality of modules (44), each module (44) including at least one module switching element (46) and at least one energy storage device (48), the or each module swit…DRIVE·Jan 25·2 min readFollowH02J3/36GENERAL ELECTRIC TECHNOLOGY GMBH [CH]
OFFSHORE WIND FARM LOW-FREQUENCY ALTERNATING-CURRENT UNCONTROLLED RECTIFICATION ELECTRIC POWER TRANSMISSION SYSTEMThe present disclosure discloses an offshore wind farm low-frequency alternating-current uncontrolled rectification electric power transmission system, comprising an onshore converter station and an o…DRIVE·Dec 8·1 min readFollowH02J3/36Zhejiang University
