ClassID:

216939

H02J3/36 - CPC Classification

Classification description:

Circuit arrangements for ac mains or ac distribution networks Arrangements for transfer of electric power between ac networks via a high-tension dc link

Sub-classes:
Recent Application in this class:
#1
20260149283
2026-05-28

RELATING TO CONNECTING TRANSFORMERS IN PARALLEL IN POWER TRANSMISSION NETWORKS

#2
20260149281
2026-05-28

A WIND TURBINE GENERATOR COMPRISING AN APPARATUS FOR ELECTRIC POWER CONVERSION

#3
20260142497
2026-05-21

POWER CONVERTER, DATA COLLECTOR, AND PLC SYSTEM

#4
20260128685
2026-05-07

High-Voltage DC Transmission System

#5
20260121416
2026-04-30

HVDC TRANSFORMER CONFIGURATION FOR SPLIT PCCs

#6
20260121414
2026-04-30

POWER CONTROL SYSTEM FOR POWER NETWORK

#7
20260121413
2026-04-30

DYNAMIC COORDINATION APPROACH INTEGRATING FLEXIBLE DIRECT CURRENT SAME-FREQUENCY CONTROL WITH CONSTANT DIRECT CURRENT UNILATERAL FLC COORDINATED CONTROL AND VOLTAGE SUPPORT

#8
20260112957
2026-04-23

Power Conversion System and Control Device for Same

#9
20260112894
2026-04-23

AUXILIARY REDUNDANT POWER SUPPLY FOR AN ENERGY STORAGE SYSTEM AND ENERGY STORAGE SYSTEM

#10
20260112520
2026-04-23

HIGH VOLTAGE SUBMARINE CABLE SYSTEMS

#11
20260100584
2026-04-09

SYSTEM AND METHOD FOR CONTROLLING A POWER ELECTRONICS DEVICE IN A POWER TRANSMISSION NETWORK

#12
20260100583
2026-04-09

SYSTEMS AND METHODS FOR HIGH VOLTAGE DIRECT CURRENT BUS COUPLING

#13
20260088652
2026-03-26

NON-INVASIVE HARMONIC MAGNETIC FIELD ENERGY HARVESTING DEVICE FOR HIGH VOLTAGE DIRECT CURRENT TRANSMISSION LINE

#14
20260088624
2026-03-26

COORDINATED OPTIMIZATION METHOD FOR VSC-HVDC FREQUENCY SYNCHRONIZATION CONTROL AND HYDRO POWER PRIMARY FREQUENCY REGULATION

#15
20260086151
2026-03-26

RAPID PREDICTION METHOD AND SYSTEM FOR COMMUTATION FAILURE IN HVDC BASED ON COMMUTATION FAILURE RISK FACTOR

#16
20260081428
2026-03-19

DYNAMIC FREQUENCY COORDINATION CONTROL METHOD FOR ASYNCHRONOUS REGIONAL POWER GRIDS DURING WET AND DRY SEASONS

#17
20260074520
2026-03-12

DYNAMIC FREQUENCY COORDINATION CONTROL METHOD COMBINING FREQUENCY SYNCHRONOUS CONTROL IN VSC-HVDC WITH BILATERAL FREQUENCY LIMIT CONTROL IN LCC-HVDC

#18
20260059683
2026-02-26

CONVERTER VALVE ASSEMBLY

#19
20260058473
2026-02-26

DC INTEGRATED ENERGY STORAGE SYSTEM FOR HYBRID AC/DC AND DC POWER SYSTEMS

#20
20260051742
2026-02-19

HIGH VOLTAGE DC/DC FOR A SUSTAINABLE ENERGY INTERFACE TO POWER CONVERSION SYSTEM

#21
20260031718
2026-01-29

CONVERTER VALVE ASSEMBLY

#22
20260018991
2026-01-15

POWER CONVERSION DEVICE AND OFFSHORE WIND POWER GENERATION SYSTEM

#23
20260018886
2026-01-15

FAULT HANDLING IN A TERMINAL OF A MULTI-TERMINAL HIGH-VOLTAGE DIRECT CURRENT TRANSMISSION SYSTEM

#24
20250392133
2025-12-25

CONDITIONALLY REGULATED HYBRID ELECTRIC HVDC ARCHITECTURE

#25
20250385515
2025-12-18

MULTI-PORT DC TRANSFER SWITCH BASED ON CONTROLLABLE NEGATIVE VOLTAGE SOURCE

#26
20250350122
2025-11-13

IMPROVEMENTS IN OR RELATING TO POWER TRANSMISSION NETWORKS

#27
20250337268
2025-10-30

POWER SUPPLY AND BACKUP NETWORK OF COMMUNICATION DEVICE

#28
20250334620
2025-10-30

MEASUREMENT OF LOAD CAPACITANCE OR IMPEDANCE IN HIGH-VOLTAGE DC POWER SUPPLIES

#29
20250323508
2025-10-16

RIGID BIPOLE POWER TRANSMISSION NETWORKS

#30
20250323504
2025-10-16

IMPROVEMENTS IN OR RELATING TO POWER TRANSMISSION NETWORKS

#31
20250309644
2025-10-02

METHOD AND CONTROLLER FOR CONTROLLING A POWER TRANSMISSION NETWORK

#32
20250260223
2025-08-14

RELATING TO DIRECT CURRENT CIRCUIT BREAKERS IN POWER TRANSMISSION NETWORKS

#33
20250246913
2025-07-31

ENERGY MANAGEMENT SYSTEM FOR A HIGH-VOLTAGE DIRECT CURRENT (HVDC) TRANSMISSION NETWORK

#34
20250219421
2025-07-03

METHODS TO PROVIDE ELECTRIC POWER FROM RENEWABLE ENERGY EQUIPMENT TO AN ELECTRICAL LOAD

#35
20250192563
2025-06-12

METHOD AND CONTROLLER FOR CONTROLLING A POWER TRANSMISSION NETWORK

#36
20250192548
2025-06-12

CAPACITY RECOVERY AND MULTI-SOURCE POWER DISTRIBUTION

#37
20250175002
2025-05-29

COMMISSIONING OF BIPOLE POWER TRANSMISSION NETWORKS

#38
20250175001
2025-05-29

CONTROL OF BIPOLE POWER TRANSMISSION NETWORKS

#39
20250175000
2025-05-29

RELATING TO POWER SHARING IN BIPOLE POWER TRANSMISSION NETWORKS

#40
20250174990
2025-05-29

DC VOLTAGE ADAPTIVE COORDINATED CONTROL SYSTEM AND METHOD UNDER FAULT OF VSC-HVDC RECEIVING-END POWER GRID

#41
20250167557
2025-05-22

FLEXIBLE DC CONVERTER FEATURING MULTI-PORT DC POWER FLOW CONTROL AND CONTROL METHOD THEREOF

#42
20250167549
2025-05-22

IMPROVEMENTS RELATING TO PROVIDING GRID-FORMING CONTROL OF A POWER CONVERTER IN POWER TRANSMISSION NETWORKS

#43
20250158411
2025-05-15

Hybrid direct current transmission system and control method thereof

#44
20250158410
2025-05-15

RELATING TO CONNECTING A DC CONVERTER TO A DC SYSTEM IN POWER TRANSMISSION NETWORKS

#45
20250158395
2025-05-15

APPARATUSES AND METHODS FOR DC VOLTAGE CONTROL

#46
20250149894
2025-05-08

OFFSHORE CONVERTER PLATFORMS IN POWER TRANSMISSION NETWORKS

#47
20250145029
2025-05-08

BIDIRECTIONAL MULTI-PORT DC-DC CONVERTER FOR MOBILE CHARGING APPLICATIONS

#48
20250118963
2025-04-10

CONTROL METHOD FOR SUPPRESSING OVERVOLTAGE UNDER FAULT AT RECEIVING-END ALTERNATING-CURRENT (AC) SYSTEM OF HYBRID HIGH-VOLTAGE DIRECT-CURRENT (HVDC) TRANSMISSION SYSTEM

#49
20250112469
2025-04-03

SOLAR PANEL ARCHITECTURE

#50
20250096574
2025-03-20

APPARATUS FOR CONTROLLING A POWER CONVERTER IN A POWER TRANSMISSION NETWORK

#51
20250096573
2025-03-20

POWER SUPPLY UNIT FOR EXPLOSION-PROOF APPLICATIONS

#52
20250084827
2025-03-13

APPARATUSES AND METHODS FOR POWER CONTROL FOR WIND TURBINES

#53
20250079881
2025-03-06

METHODS AND SYSTEMS FOR POWER SUPPLY

#54
20250030247
2025-01-23

PRE-CHARGE CIRCUIT AND CONTROL SYSTEM FOR A POWER CONVERTER

#55
20250023357
2025-01-16

RELATING TO THE CONTROL OF POWER CONVERTERS DURING FAULT CONDITIONS IN POWER TRANSMISSION NETWORKS

#56
20250007281
2025-01-02

METHOD FOR CONTROLLING RECEIVING-END ALTERNATING CURRENT (AC) FAULT RIDE-THROUGH OF HYBRID CASCADED HIGH-VOLTAGE DIRECT-CURRENT (HVDC) TRANSMISSION SYSTEM

#57
20240413737
2024-12-12

CONTROL OF POWER CONVERTERS IN POWER TRANSMISSION NETWORKS

#58
20240413640
2024-12-12

RELATING TO THE CONTROL OF POWER CONVERTERS IN POWER TRANSMISSION NETWORKS

#59
20240396340
2024-11-28

IN RELATION TO DYNAMIC BRAKING SYSTEMS FOR BIPOLE POWER TRANSMISSION NETWORKS

#60
20240380327
2024-11-14

Power Conversion System

#61
20240380211
2024-11-14

ENERGY SUPPORTING DEVICE

#62
20240348049
2024-10-17

BIDIRECTIONAL WAVEFORM SHAPING FOR GRID-TIED APPLICATIONS

#63
20240333129
2024-10-03

Power Conversion System and Control Device for Same

#64
20240332947
2024-10-03

POWER SUPPLY SYSTEM, AND MOVING OBJECT INCLUDING POWER SUPPLY SYSTEM

#65
20240313543
2024-09-19

DIRECT CURRENT CIRCUIT BREAKER

#66
20240310424
2024-09-19

PARALLEL FEEDERS FOR CONTINUED OPERATION

#67
20240305103
2024-09-12

POWER SUPPLY SYSTEM AND POWER SUPPLY METHOD

#68
20240305102
2024-09-12

Control Method for a Grid Following Voltage Source Converter without Phase Locked Loop

#69
20240297502
2024-09-05

SYSTEM FOR STABILISING A DC LINK

#70
20240294049
2024-09-05

APPARATUS COMPRISING A BATTERY

#71
20240291390
2024-08-29

CONTROL APPARATUS FOR THREE-TERMINAL STATIC DC TRANSFORMER

#72
20240288482
2024-08-29

Method for Determining Conductors Involved in a Fault on a Power Transmission Line and Fault Location Using Local Current Measurements

#73
20240286493
2024-08-29

APPARATUS COMPRISING AN INVERTER

#74
20240283251
2024-08-22

POWER FUSION SYSTEM FOR SUPPLY AND DEMAND DISPARITIES

#75
20240275170
2024-08-15

HIGH VOLTAGE DIRECT CURRENT POWERED AIRCRAFT APPLIANCES

#76
20240266834
2024-08-08

Energy supporting device

#77
20240258931
2024-08-01

FAULT TOLERANCE CONTROL OF SOLID STATE TRANSFORMER

#78
20240253494
2024-08-01

CHARGING MODULE AND CHARGING SYSTEM

#79
20240243582
2024-07-18

ASSEMBLY

#80
20240243581
2024-07-18

Submodule hybrid MMC with low full-bridge ratio and DC fault processing method thereof

#81
20240235195
2024-07-11

Power-electronic device comprising a transformer unit and method

#82
20240213782
2024-06-27

Circuit arrangement for decoupling a rechargeable battery of an inverter

#83
20240204650
2024-06-20

METHOD FOR CONTROLLING AN ENERGY CONVERSION SYSTEM, ENERGY CONVERSION SYSTEM, CONTROLLER, COMPUTER PROGRAM, AND COMPUTER-READABLE MEDIUM

#84
20240204528
2024-06-20

Parameter design method for series passive impedance adapter applicable to voltage source converter based high voltage direct current (VSC-HVDC) transmission system

#85
20240204519
2024-06-20

ELECTRICAL ASSEMBLY

#86
20240162714
2024-05-16

Control method and apparatus for high-voltage, direct current first commutation failure in alternating-current fault

#87
20240162713
2024-05-16

MODULAR MULTIPORT AC BATTERY POWER CONVERTER SYSTEMS AND METHODS OF USING SAME

#88
20240151670
2024-05-09

RESISTANCE MEASURING APPARATUS AND RESISTANCE MEASURING METHOD BASED ON THE SAME

#89
20240136823
2024-04-25

CONTROLLABLE GRID INTERFACE FOR MICROGRIDS

#90
20240123848
2024-04-18

ELECTRICAL SYSTEM FOR DC VOLTAGE CONVERSION AND FOR CHARGING OF BATTERIES OF A VEHICLE

#91
20240097434
2024-03-21

Method for detecting abnormal direct current voltage measurement in high voltage flexible direct current transmission system

#92
20240088801
2024-03-14

Fractal power converter and method for constructing fractal power converter

#93
20240088666
2024-03-14

Bidirectional DC/AC power conversion system having multiple DC links

#94
20240079880
2024-03-07

Inverter with Scalable DC/DC Voltage Boost Converter

#95
20240072642
2024-02-29

Power Conversion Device

#96
20240055865
2024-02-15

CONTROLLER FOR POWER ELECTRONIC DEVICE

#97
20240055864
2024-02-15

Sensors for use in HVDC power transmission networks

#98
20240052806
2024-02-15

High voltage offshore power plant power distribution assembly

#99
20240051407
2024-02-15

INTEGRATED ELECTRIC CHARGING SYSTEMS AND METHODS OF OPERATING THEREOF

#100
20240030715
2024-01-25

SUBMODULE HYBRID MMC WITH LOW FULL-BRIDGE RATIO AND DC FAULT PROCESSING METHOD THEREOF

#101
20240014661
2024-01-11

POWER CONVERSION DEVICE AND ESTIMATION DEVICE

#102
20240003987
2024-01-04

Method and system for evaluating a condition of a power grid

#103
20230396063
2023-12-07

POWER SUPPLY AND DISTRIBUTION SYSTEM FOR DATA CENTER

#104
20230378886
2023-11-23

Power Conversion System and Control Device for Same

#105
20230361596
2023-11-09

A METHOD FOR ESTABLISHING A WIRELESS COMMUNICATION SYSTEM IN A HIGH-VOLTAGE POWER CONVERTER STATION AND A HIGH-VOLTAGE POWER CONVERTER STATION

#106
20230361571
2023-11-09

Power Sharing Regulation for Solid State Transformer by Embedded Digital Equalization

#107
20230361570
2023-11-09

GRID-FORMING CONTROL METHOD FOR OFFSHORE WIND TURBINE

#108
20230352942
2023-11-02

Power Conversion System

#109
20230344236
2023-10-26

DC ENERGY STORAGE SYSTEM

#110
20230341451
2023-10-26

Method and System for a pilot directional protection of LCC-HVDC lines based on virtual grounding resistance

#111
20230335994
2023-10-19

ELECTRICAL ASSEMBLY

#112
20230327451
2023-10-12

ARRANGEMENT HAVING A DC TRANSMISSION LINK OR DC TRANSMISSION GRID AND METHOD FOR THE OPERATION THEREOF

#113
20230327427
2023-10-12

Fault detector for bipole power transmission schemes

#114
20230318301
2023-10-05

Bipole power transmission networks

#115
20230291327
2023-09-14

Power conversion system

#116
20230265799
2023-08-24

Electrical systems

#117
20230261473
2023-08-17

System and method for pre-charging a DC link of a power converter

#118
20230253796
2023-08-10

IMPROVEMENTS IN OR RELATING TO CONVERTER STATIONS

#119
20230246566
2023-08-03

Energy storage MMC topology avoiding microcirculation of battery and method for controlling the same

#120
20230246449
2023-08-03

HVDC POWER CABLE MULTI-BRANCH JOINT ASSEMBLY

#121
20230223865
2023-07-13

SWITCHING VALVE

#122
20230223759
2023-07-13

Bipole power transmission schemes

#123
20230198265
2023-06-22

Electrical architecture comprising a linear photovoltaic installation consisting of multiple groups of photovoltaic panels and a DC network, connected to an AC transport network and/or an AC distribution network with possible transport of power from the AC network by the DC network

#124
20230155386
2023-05-18

DIRECT CURRENT BUS VOLTAGE CONTROL METHOD AND APPARATUS, AND POWER SYSTEM

#125
20230145847
2023-05-11

Multi-port grid forming control for grid interties

#126
20230144976
2023-05-11

HIGH VOLTAGE DC SYSTEMS

#127
20230138129
2023-05-04

Method for operating a current source converter, control circuit, and current source converter

#128
20230135970
2023-05-04

Energy storage transient power coordinated control method for restraining subsequent commutation failures

#129
20230108847
2023-04-06

DRIVE APPARATUS

#130
20230095765
2023-03-30

Electronic voltage regulator apparatus and method

#131
20230084187
2023-03-16

Electrical assembly for high voltage direct current transmission

#132
20230062705
2023-03-02

Electric power supply apparatus for a high-power user device

#133
20230050747
2023-02-16

Power management apparatus, power distribution control method and program

#134
20230028868
2023-01-26

HVDC power transmission

#135
20230026670
2023-01-26

Hybrid modular multilevel converter topologies using half-bridge submodules

#136
20230017288
2023-01-19

Topology of series-connected MMC with a small number of modules

#137
20230006600
2023-01-05

Method of protecting a converter of a wind turbine and protection system

#138
20220397615
2022-12-15

DC converter valve state detection method based on temporal features of converter terminal currents

#139
20220393473
2022-12-08

Offshore wind farm low-frequency alternating-current uncontrolled rectification electric power transmission system

#140
20220393472
2022-12-08

VEHICLE-GRID-HOME POWER INTERFACE

#141
20220368155
2022-11-17

Power supply assembly and switch assembly

#142
20220360161
2022-11-10

ELECTRICAL ASSEMBLY

#143
20220360089
2022-11-10

Method for controlling an electrical transmission network

#144
20220357764
2022-11-10

Apparatus and method for synchronizing VBE clock in HVDC system

#145
20220352810
2022-11-03

Control device and control method for modular multilevel converter

#146
20220352719
2022-11-03

Method for controlling an electrical transmission network

#147
20220337146
2022-10-20

METHOD AND APPARATUS FOR SYNCHRONISATION AND DATA TRANSMISSION

#148
20220337068
2022-10-20

Naturally load balanced redundant power conversion system

#149
20220337064
2022-10-20

Electrical assembly having a characterized electrical parameter

#150
20220337051
2022-10-20

Restoration of fault insulated feeder

#151
20220311241
2022-09-29

Source-network coordination type direct-current (DC) circuit breaker based on pre-charged capacitors for modular multilevel converters (MMC) based DC grid

#152
20220310288
2022-09-29

Post insulator and direct current power transmission device

#153
20220293354
2022-09-15

HYBRID CIRCUIT BREAKER WITH IMPROVED CURRENT CAPACITY PER DEVICE SIZE

#154
20220263318
2022-08-18

Use of the unused duration injection units in an array to reduce oscillations during impedance injection for corrections of problems

#155
20220252046
2022-08-11

High-frequency uncontrolled rectifier-based DC transmission system for offshore wind farm

#156
20220247182
2022-08-04

Generator system for multiple high voltage direct current applications

#157
20220247181
2022-08-04

Power generation system for wide speed range applications

#158
20220231612
2022-07-21

Assembly having a multilevel power converter

#159
20220231509
2022-07-21

Vehicle-grid-home power interface

#160
20220216696
2022-07-07

System and method for supplying electric power to a grid and for supporting the grid

#161
20220206055
2022-06-30

Transient based method for identifying faults in a high / medium voltage electric power transmission system

#162
20220200475
2022-06-23

Control device

#163
20220177147
2022-06-09

Hybrid propulsion system and method for controlling such a system

#164
20220166335
2022-05-26

Method and device for monitoring the hybridization of an aircraft

#165
20220166334
2022-05-26

Step-wise power transformation

#166
20220158568
2022-05-19

Control device and power conversion device

#167
20220140607
2022-05-05

STATION-HYBRID HIGH VOLTAGE DIRECT CURRENT SYSTEM AND METHOD FOR POWER TRANSMISSION

#168
20220131365
2022-04-28

Electrical assembly for power transmission and compensation

#169
20220103091
2022-03-31

Switching valve

#170
20220102979
2022-03-31

Relating to power transmission networks

#171
20220094279
2022-03-24

Control power for submodules of a MMC converter

#172
20220094197
2022-03-24

Method for controlling an uninterruptable power supply

#173
20220085614
2022-03-17

Relating to power converters

#174
20220069726
2022-03-03

Hybrid capacitor bank for a power conversion assembly

#175
20220052519
2022-02-17

Method for fault protection in HVDC grid, HVDC node of HVDC grid, and HVDC grid system

#176
20220045625
2022-02-10

Operating a multilevel converter

#177
20220045624
2022-02-10

Power Converter and Power Conversion System

#178
20220045610
2022-02-10

Buck boost converter cell for MMC

#179
20220029422
2022-01-27

Power margin tracking control method and system for multi-terminal high-voltage direct current converter station

#180
20220021215
2022-01-20

POWER TRANSMISSION METHOD AND SYSTEM

#181
20220021214
2022-01-20

Commutation failure prediction method, device and storage medium based on energy accumulation features of inverter

#182
20220021213
2022-01-20

Method and system for evaluating stability of HVDC receiving end system, and storage medium

#183
20220021212
2022-01-20

Demand response implemented in an infrastructure having a DC link

#184
20220021207
2022-01-20

Method and system for AC line distance protection in AC/DC hybrid power grid, and storage medium

#185
20220010576
2022-01-13

Valve tower reinforcing structure and reinforcing method

#186
20210399633
2021-12-23

Switchable longitudinal voltage source, direct current transmission system with longitudinal voltage source and method for operating a longitudinal voltage source

#187
20210391808
2021-12-16

Power control system and controller for power control system

#188
20210391746
2021-12-16

Method and device for determining parameter of passive impedance adapter applicable to VSC-HVDC

#189
20210382103
2021-12-09

Method for determining conductors involved in a fault on a power transmission line and fault location using local current measurements

#190
20210376594
2021-12-02

Resistive sub-module hybrid MMC and direct current fault processing strategy thereof

#191
20210359617
2021-11-18

ELECTRICAL ASSEMBLY

#192
20210359615
2021-11-18

Power converter assembly with a line-commutated power converter and method for starting up the assembly

#193
20210349158
2021-11-11

Fault diagnosis in an electricity supply network

#194
20210328521
2021-10-21

Method for operating a power converter

#195
20210328422
2021-10-21

Electronic valve apparatus

#196
20210315123
2021-10-07

Inhibitor module and shielding arrangements for high voltage equipment

#197
20210288492
2021-09-16

Safe and resilient energy distribution for a highly efficient microgrid

#198
20210281183
2021-09-09

High-voltage DC transformation apparatus and power system and control method thereof

#199
20210281074
2021-09-09

System and method for adding a high voltage DC source to a power bus

#200
20210273421
2021-09-02

HVDC modular platform design

#201
20210249864
2021-08-12

HVDC TRANSMISSION SCHEMES

#202
20210249854
2021-08-12

Apparatus for limiting voltage for a DC voltage network

#203
20210242680
2021-08-05

Power electronics converter based reconfigurable grid emulation platform

#204
20210222673
2021-07-22

Converter control method and device

#205
20210203247
2021-07-01

Modular multilevel converter with multi-port DC power flow control and control method thereof

#206
20210194247
2021-06-24

Monitoring of a high-voltage DC transmission

#207
20210172382
2021-06-10

Electrical systems

#208
20210159706
2021-05-27

Use of the unused duration injection units in an array to reduce oscillations during impedance injection for corrections of problems

#209
20210152099
2021-05-20

Modular multilevel converter and sub-module thereof

#210
20210143754
2021-05-13

Control method for a parallel MMC unit of a LCC-MMC hybrid cascade converter station

#211
20210126555
2021-04-29

Converter assembly with an ability to disconnect a fault current and a method for disconnecting a fault current at a converter assembly of this type

#212
20210126462
2021-04-29

Coordinated control method and device for series voltage source converter valve group

#213
20210119444
2021-04-22

HVDC transmission schemes

#214
20210111562
2021-04-15

Scheduling method for power system based on flexible HVDC

#215
20210111556
2021-04-15

Direct-current breaking device

#216
20210091570
2021-03-25

Station building power supply

#217
20210044116
2021-02-11

Waveform separator apparatus and method for detecting leakage current in high voltage direct current power systems

#218
20210039500
2021-02-11

Optimized energy interconnection system for urban railway train

#219
20210036634
2021-02-04

Power transmission via a bipolar high-voltage DC transmission link

#220
20210035727
2021-02-04

Power-electronic device comprising a transformer unit and method

#221
20210028627
2021-01-28

Method for controlling an electrical transmission link including a direct current high voltage line

#222
20210021129
2021-01-21

Power control system and control device

#223
20210006085
2021-01-07

MVDC link-powered battery chargers and operation thereof

#224
20200412128
2020-12-31

Communication less control technique for hybrid HVDC

#225
20200395865
2020-12-17

Device for connecting a sub-network to an alternating voltage network and method for controlling an electrical power

#226
20200395757
2020-12-17

Fault handling

#227
20200395741
2020-12-17

Device for preparing a high-voltage direct current transmission, converter station and energy providing system

#228
20200389084
2020-12-10

Current converter unit, transmission installation having a current converter unit, and method for fault management in a current converter unit

#229
20200389031
2020-12-10

Power transmission via a bipolar high-voltage DC transmission link

#230
20200373755
2020-11-26

System design solution for DC grid cost reduction and risk minimization

#231
20200366096
2020-11-19

Direct current voltage coordination control method

#232
20200350767
2020-11-05

Energization of a converter including a mix of half-bridge and full-bridge submodules

#233
20200343727
2020-10-29

Feeder line fault response using direct current interconnection system

#234
20200335975
2020-10-22

Method for controlling output level of modular multilevel converter for reducing power system frequency change

#235
20200328597
2020-10-15

DEVICE FOR GENERATING ELECTRICAL ENERGY

#236
20200328596
2020-10-15

Mitigation of alternating current in pipelines

#237
20200326158
2020-10-15

Wearable power modules with distributed energy storage systems

#238
20200313571
2020-10-01

UHVDC converter transformer re-usage for LCC to VSC upgrade

#239
20200313438
2020-10-01

ARRANGEMENT FOR CONNECTING ELECTRICAL SUPPLY SYSTEMS

#240
20200295568
2020-09-17

Suppression method of high-frequency resonance for VSC-HVDC system based on nonlinear filter in voltage feed-forward control

#241
20200266722
2020-08-20

Dynamic stability analysis and control method for voltage sourced converter based high voltage direct current transmission system

#242
20200266721
2020-08-20

Converter scheme

#243
20200252238
2020-08-06

Data transmission device and data transmission method

#244
20200251906
2020-08-06

Controlling a voltage source converter in a DC system

#245
20200220381
2020-07-09

SMART GRID INTEGRATION SYSTEM AND METHOD OF PROCESSING POWER INFORMATION THEREOF

#246
20200220349
2020-07-09

Fault switch configuration and clearing method in flexible DC converter station

#247
20200212792
2020-07-02

Converter arrangement having a phase module arrester and method for short-circuit protection thereof

#248
20200212679
2020-07-02

Distribution networks with flexible direct current interconnection system

#249
20200212674
2020-07-02

Control system and control method for parallel converter system

#250
20200201953
2020-06-25

Generalized equivalent circuit model of MMC-HVDC for power system simulation

#251
20200195013
2020-06-18

Method for initiating flexible DC transmission system under isolated island condition

#252
20200195012
2020-06-18

System and method for controlling DC link voltage of a power converter of an electrical power system

#253
20200186022
2020-06-11

Converter arrangement comprising a star point reactor

#254
20200177071
2020-06-04

Elimination of commutation failure of LCC HVDC system

#255
20200161852
2020-05-21

Power control system and control device for restoring AC system from power failure

#256
20200153358
2020-05-14

Modular multi-level converter

#257
20200136390
2020-04-30

Voltage dip compensation system and arrangement in a power supply network

#258
20200136389
2020-04-30

Protection for an HVDC network

#259
20200136370
2020-04-30

Protection coordination technique for power converters

#260
20200127583
2020-04-23

Power conversion device that limits voltage variation among energy storage devices

#261
20200127456
2020-04-23

Power electronics converter based reconfigurable grid emulation platform

#262
20200119738
2020-04-16

Method and system for grid-connected converter fast recovery after grid disturbance

#263
20200119559
2020-04-16

MMC converter and sub-modules thereof

#264
20200106271
2020-04-02

Transport refrigeration unit architecture and controls for smart grid optimization and integration

#265
20200104536
2020-04-02

Technologies for providing secure emergency power control of high voltage direct current transmission system

#266
20200081064
2020-03-12

IMPROVEMENTS IN OR RELATING TO MONITORING ASSEMBLIES

#267
20200076548
2020-03-05

Communications network for communication between a control unit and a power electronics element

#268
20200067317
2020-02-27

Power transmission networks

#269
20200059095
2020-02-20

Ripple control and optimisation in a power transmission network

#270
20200007029
2020-01-02

Grounding arrangement for a voltage source converter

#271
20200007028
2020-01-02

POWER SUPPLY FOR SUBMODULE CONTROLLER OF MMC CONVERTER

#272
20190372479
2019-12-05

VOLTAGE SOURCE CONVERTER

#273
20190372354
2019-12-05

Portable power supply

#274
20190363707
2019-11-28

DC power switching assembly and method

#275
20190326770
2019-10-24

Charging method for sub-module based hybrid converter

#276
20190312433
2019-10-10

Dual control apparatus and control method for HVDC system

#277
20190305669
2019-10-03

VOLTAGE SOURCE CONVERTER

#278
20190296553
2019-09-26

Control of high-voltage, direct current systems

#279
20190280526
2019-09-12

Magnetic induction power supply device

#280
20190267811
2019-08-29

METHOD AND SYSTEM FOR GENERATION AND DISTRIBUTION OF HIGH VOLTAGE DIRECT CURRENT

#281
20190267810
2019-08-29

HVDC/MVDC Systems and Methods with Low-Loss Fully-Bidirectional BJT Circuit Breakers

#282
20190267198
2019-08-29

Bidirectional power valve and control method therefor and hybrid multi-terminal HVDC system using the same

#283
20190265663
2019-08-29

Method and control system for controlling a voltage source converter using power-synchronization control

#284
20190260208
2019-08-22

Providing auxiliary power when a high-voltage link is non-functional

#285
20190260201
2019-08-22

Fault current limiting control and protection coordination method for converter of flexible direct current power transmission system operating in islanding state

#286
20190252885
2019-08-15

On-line input control method, on-line input and quit device for voltage-source converter unit

#287
20190245351
2019-08-08

Device and method for extinction angle control of HVDC system

#288
20190245346
2019-08-08

Power transmission network

#289
20190238077
2019-08-01

Controlling a multi winding set permanent magnet electrical machine

#290
20190237222
2019-08-01

Support structure and layout for a HVDC disconnector

#291
20190199096
2019-06-27

MULTI-TERMINAL MODULAR DC-DC CONVERTER FOR DC NETWORKS

#292
20190199089
2019-06-27

Method for controlling an installation allowing DC current to be transmitted in a network while protecting said network from a short circuit fault

#293
20190157871
2019-05-23

Series compensation device applicable to double-circuit line

#294
20190140445
2019-05-09

Current/voltage control apparatus

#295
20190140441
2019-05-09

Method and system for fault positioning and recovery of voltage source converter

#296
20190123658
2019-04-25

Electrical device having a semiconductor circuit

#297
20190123562
2019-04-25

Power transmission network

#298
20190115840
2019-04-18

Modulation method for DC to DC converters

#299
20190109459
2019-04-11

Method for controlling zero sequence voltage of voltage source converter

#300
20190097546
2019-03-28

Electric system architecture for a vehicle with multiple load characteristics