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Method for detecting open phase of startup/standby transformer based on optical CT Grant 11,422,204 - Chen , et al. August 23, 2 | 2022-08-23 |
Converter control method and device Grant 11,374,411 - Wang , et al. June 28, 2 | 2022-06-28 |
Control system and control method for parallel converter system Grant 11,355,932 - Wang , et al. June 7, 2 | 2022-06-07 |
Multi-voltage level direct current grid system and control protection method Grant 11,342,744 - Xie , et al. May 24, 2 | 2022-05-24 |
Method for initiating flexible DC transmission system under isolated island condition Grant 11,329,486 - Wang , et al. May 10, 2 | 2022-05-10 |
Voltage and current control method and device for direct-current power transmission system Grant 11,289,905 - Lu , et al. March 29, 2 | 2022-03-29 |
Method and device for quickly eliminating ferromagnetic resonance of voltage transformer Grant 11,264,793 - Wang , et al. March 1, 2 | 2022-03-01 |
Redundant energy acquisition circuit of power module, and control method thereof Grant 11,264,891 - Xie , et al. March 1, 2 | 2022-03-01 |
Series compensator and control method Grant 11,264,794 - Pan , et al. March 1, 2 | 2022-03-01 |
Valve Tower Reinforcing Structure And Reinforcing Method App 20220010576 - YU; Haibo ;   et al. | 2022-01-13 |
Bipolar bidirectional DC converter, and control method and control device therefor Grant 11,223,291 - Xie , et al. January 11, 2 | 2022-01-11 |
Direct current voltage coordination control method Grant 11,190,020 - Wang , et al. November 30, 2 | 2021-11-30 |
Coordinated control method and device for series voltage source converter valve group Grant 11,146,071 - Lu , et al. October 12, 2 | 2021-10-12 |
Multi-voltage Level Direct Current Grid System And Control Protection Method App 20210265835 - XIE; YEYUAN ;   et al. | 2021-08-26 |
Bipolar Bidirectional Dc Converter, And Control Method And Control Device Therefor App 20210242792 - XIE; Chen ;   et al. | 2021-08-05 |
Unidirectional Dc Voltage Conversion Device And System And Method For Controlling Same App 20210242787 - XIE; Yeyuan ;   et al. | 2021-08-05 |
Converter Control Method And Device App 20210222673 - Wang; Jiacheng ;   et al. | 2021-07-22 |
Compensator, Control Method and Device Therefor App 20210226449 - Dong; Yunlong ;   et al. | 2021-07-22 |
Adaptive protection method for impedance of parallel capacitors Grant 11,063,424 - Song , et al. July 13, 2 | 2021-07-13 |
Longitudinal Differential Protection Method Of Transformer App 20210203147 - Gu; Qiaogen ;   et al. | 2021-07-01 |
Bypass Thyristor Valve Group Inspection Method And Control Apparatus App 20210165034 - LU; Dongbin ;   et al. | 2021-06-03 |
Thyristor valve test system based on cooperation of logical functions of software Grant 11,009,542 - Yang , et al. May 18, 2 | 2021-05-18 |
Coordinated Control Method And Device For Series Voltage Source Converter Valve Group App 20210126462 - LU; Jiang ;   et al. | 2021-04-29 |
Method and apparatus for suppressing impact of compensator on line distance protection Grant 10,965,114 - Pan , et al. March 30, 2 | 2021-03-30 |
Development of embedded type devices and running method for embedded type virtual device and system Grant 10,949,242 - Chen , et al. March 16, 2 | 2021-03-16 |
Closing control method for high-voltage direct-current circuit breaker Grant 10,944,254 - Shi , et al. March 9, 2 | 2021-03-09 |
Fault switch configuration and clearing method in flexible DC converter station Grant 10,923,906 - Lu , et al. February 16, 2 | 2021-02-16 |
Redundant Energy Acquisition Circuit Of Power Module, And Control Method Thereof App 20210036600 - XIE; Yeyuan ;   et al. | 2021-02-04 |
Converter valve fault warning method and system Grant 10,877,082 - Gao , et al. December 29, 2 | 2020-12-29 |
Method For Detecting Open Phase Of Startup/standby Transformer Based On Optical Ct App 20200363479 - Chen; Jiasheng ;   et al. | 2020-11-19 |
Direct Current Voltage Coordination Control Method App 20200366096 - WANG; Nannan ;   et al. | 2020-11-19 |
Direct current power grid voltage control method Grant 10,840,702 - Ding , et al. November 17, 2 | 2020-11-17 |
On-line input control method, on-line input and quit device for voltage-source converter unit Grant 10,797,487 - Lu , et al. October 6, 2 | 2020-10-06 |
Series Compensator And Control Method App 20200295561 - PAN; Lei ;   et al. | 2020-09-17 |
Voltage And Current Control Method And Device For Direct-current Power Transmission System App 20200295563 - LU; Jiang ;   et al. | 2020-09-17 |
Method And Device For Quickly Eliminating Ferromagnetic Resonance Of Voltage Transformer App 20200287379 - WANG; Honglin ;   et al. | 2020-09-10 |
Charging method for sub-module based hybrid converter Grant 10,763,761 - Ding , et al. Sep | 2020-09-01 |
Fault Switch Configuration And Clearing Method In Flexible Dc Converter Station App 20200220349A1 - | 2020-07-09 |
Chained Multi-port Grid-connected Interface Apparatus And Control Method App 20200220355A1 - | 2020-07-09 |
Control System And Control Method For Parallel Converter System App 20200212674A1 - | 2020-07-02 |
Method and apparatus for controlling hybrid direct-current transmission system Grant 10,700,525 - Zhao , et al. | 2020-06-30 |
Method For Initiating Flexible Dc Transmission System Under Isolated Island Condition App 20200195013A1 - | 2020-06-18 |
Method And Apparatus For Suppressing Impact Of Compensator On Line Distance Protection App 20200185901A1 - | 2020-06-11 |
Assembly method for DC converter valve Grant 10,632,578 - Zhang , et al. | 2020-04-28 |
Apparatus and method for ensuring reliability of trip protection of intelligent substation Grant 10,637,287 - Xu , et al. | 2020-04-28 |
Housing structure of planar resistor Grant 10,636,548 - Zhang , et al. | 2020-04-28 |
Charging Method For Sub-module Based Hybrid Converter App 20200076321 - DING; Jiudong ;   et al. | 2020-03-05 |
An Adaptive Protection Method For Impedance Of Parallel Capacitors App 20200021104 - SONG; Zhongpeng ;   et al. | 2020-01-16 |
Reactive power overexcitation regulation technology for synchronous generator Grant 10,535,997 - Wu , et al. Ja | 2020-01-14 |
Thyristor Valve Test System Based On Cooperation Of Logical Functions Of Software App 20200011923 - YANG; Fan ;   et al. | 2020-01-09 |
Reconfigurable MMC sub-module unit and control unit thereof Grant 10,523,131 - Li , et al. Dec | 2019-12-31 |
Charging method for sub-module based hybrid converter Grant 10,483,788 - Ding , et al. Nov | 2019-11-19 |
Method and system for fault positioning and recovery of voltage source converter Grant 10,476,261 - Li , et al. Nov | 2019-11-12 |
Direct Current Power Grid Voltage Control Method App 20190341777 - DING; Jiudong ;   et al. | 2019-11-07 |
Novel Reactive Power Overexcitation Regulation Technology For Synchronous Generator App 20190334348 - WU; Long ;   et al. | 2019-10-31 |
Fault current limiting control and protection coordination method for converter of flexible direct current power transmission system operating in islanding state Grant 10,461,525 - Hu , et al. Oc | 2019-10-29 |
Starting method and stopping method for a static synchronous series compensator Grant 10,461,534 - Pan , et al. Oc | 2019-10-29 |
Charging Method For Sub-module Based Hybrid Converter App 20190326770 - DING; Jiudong ;   et al. | 2019-10-24 |
Bridge-type circuit, and direct current breaking device and control method thereof Grant 10,454,265 - Cao , et al. Oc | 2019-10-22 |
Running Method For Embedded Type Virtual Device And System App 20190317791 - CHEN; Hongjun ;   et al. | 2019-10-17 |
Passive islanding-to-grid-connected switch method Grant 10,418,816 - Dong , et al. Sept | 2019-09-17 |
Direct current switch-off device and control method thereof Grant 10,418,803 - Cao , et al. Sept | 2019-09-17 |
Coordination control method of multi-terminal VSC-HVDC transmission system Grant 10,396,561 - Dong , et al. A | 2019-08-27 |
Series compensation device applicable to double-circuit line Grant 10,396,562 - Huang , et al. A | 2019-08-27 |
Fault Current Limiting Control And Protection Coordination Method For Converter Of Flexible Direct Current Power Transmission Sy App 20190260201 - HU; Zhaoqing ;   et al. | 2019-08-22 |
Housing Structure of Planar Resistor App 20190259513 - Zhang; Xiang ;   et al. | 2019-08-22 |
On-Line Input and Quit Control Method and Device for Voltage-Source Converter Unit App 20190252885 - Lu; Jiang ;   et al. | 2019-08-15 |
Resistor, a heat dissipater and a combinatory device of resistor and heat dissipater Grant 10,381,138 - Fang , et al. A | 2019-08-13 |
Apparatus And Method For Ensuring Reliability Of Protection Trip Of Intelligent Substation App 20190190315 - XU; Zongguang ;   et al. | 2019-06-20 |
Closing Control Method For High-Voltage Direct-Current Circuit Breaker App 20190190258 - SHI; Wei ;   et al. | 2019-06-20 |
Method for controlling zero sequence voltage of voltage source converter Grant 10,326,275 - Wang , et al. | 2019-06-18 |
Reconfigurable Mmc Sub-module Unit And Control Unit Thereof App 20190173392 - LI; Gang ;   et al. | 2019-06-06 |
Series Compensation Device Applicable To Double-Circuit Line App 20190157871 - HUANG; Ruhai ;   et al. | 2019-05-23 |
Method And System For Fault Positioning And Recovery Of Voltage Source Converter App 20190140441 - LI; Gang ;   et al. | 2019-05-09 |
Method for incorporating non-operating station into operating system in multi-terminal flexible DC transmission system Grant 10,283,965 - Dong , et al. | 2019-05-07 |
Locomotive regenerative electric energy feedback system with ice melting function and control method Grant 10,279,686 - Yang , et al. | 2019-05-07 |
Overload current limiting method for voltage source converter Grant 10,270,332 - Hu , et al. | 2019-04-23 |
Method and apparatus for identifying open phase of circuit breaker on basis of voltage Grant 10,267,859 - Chen , et al. | 2019-04-23 |
Method For Controlling Zero Sequence Voltage Of Voltage Source Converter App 20190109459 - WANG; Ke ;   et al. | 2019-04-11 |
Bridge-type Circuit, And Direct Current Breaking Device And Control Method Thereof App 20190097411 - CAO; Dongming ;   et al. | 2019-03-28 |
Shell structure for thyristor trigger unit Grant 10,237,986 - Chen , et al. | 2019-03-19 |
Overload Current Limiting Method For Voltage Source Converter App 20190081551 - HU; Zhaoqing ;   et al. | 2019-03-14 |
Locomotive Regenerative Electric Energy Feedback System With Ice Melting Function And Control Method App 20190070964 - YANG; Hao ;   et al. | 2019-03-07 |
Drive signal modulation method of modular multilevel converter and fault isolation method Grant 10,224,833 - Xie , et al. | 2019-03-05 |
Method for inhibiting multiple inverter stations from entering passive control mode in island state Grant 10,218,184 - Dong , et al. Feb | 2019-02-26 |
Method And Apparatus For Controlling Hybrid Direct-Current Transmission System App 20190052087 - ZHAO; Wenqiang ;   et al. | 2019-02-14 |
Direct Current Switch-Off Device And Control Method Thereof App 20190020193 - CAO; Dongming ;   et al. | 2019-01-17 |
Hybrid back-to-back direct current transmission system and power flow reversal control method Grant 10,181,799 - Wang , et al. Ja | 2019-01-15 |
Voltage-source multi-level converter, DC power transmission system, and fault processing method and device Grant 10,164,428 - Shen , et al. Dec | 2018-12-25 |
Fault current-suppressing damper topology circuit and control method thereof and converter Grant 10,148,083 - Xie , et al. De | 2018-12-04 |
High voltage direct current power transmission series valve group control device Grant 10,148,091 - Lu , et al. De | 2018-12-04 |
Thyristor assembly radiator for DC converter valve Grant 10,141,243 - Zhang , et al. Nov | 2018-11-27 |
Converter valve Grant 10,122,292 - Zhang , et al. November 6, 2 | 2018-11-06 |
Shell Structure For Thyristor Trigger Unit App 20180302993 - CHEN; Chihan ;   et al. | 2018-10-18 |
Converter Valve App 20180262120 - ZHANG; Xiang ;   et al. | 2018-09-13 |
Drive Signal Modulation Method Of Modular Multilevel Converter And Fault Isolation Method App 20180226900 - XIE; Yeyuan ;   et al. | 2018-08-09 |
Assembly Method For Dc Converter Valve App 20180214997 - ZHANG; Xiang ;   et al. | 2018-08-02 |
Passive Islanding-to-grid-connected Switch Method App 20180219380 - Dong; Yunlong ;   et al. | 2018-08-02 |
Thyristor Assembly Radiator For Dc Converter Valve App 20180218965 - ZHANG; Xiang ;   et al. | 2018-08-02 |
Converter Valve Fault Warning Method And System App 20180196099 - GAO; Shengfu ;   et al. | 2018-07-12 |
Fault Current-suppressing Damper Topology Circuit And Control Method Thereof And Converter App 20180183231 - XIE; YEYUAN ;   et al. | 2018-06-28 |
Hybrid Back-to-back Direct Current Transmission System And Power Flow Reversal Control Method App 20180175739 - WANG; Nannan ;   et al. | 2018-06-21 |
Method And Apparatus For Identifying Open Phase Of Circuit Breaker On Basis Of Voltage App 20180149699 - CHEN; Jun ;   et al. | 2018-05-31 |
Sub-module distributed control method, device and system Grant 9,876,420 - Ding , et al. January 23, 2 | 2018-01-23 |
Direct current (DC) voltage control method and apparatus Grant 9,876,393 - Dong , et al. January 23, 2 | 2018-01-23 |
High Voltage Direct Current Power Transmission Series Valve Group Control Device App 20180006462 - Lu; Dongbin ;   et al. | 2018-01-04 |
Method For Inhibiting Multiple Inverter Stations From Entering Passive Control Mode In Island State App 20170331297 - Dong; Yunlong ;   et al. | 2017-11-16 |
Sub-module Distributed Control Method, Device And System App 20170317574 - DING; Jiudong ;   et al. | 2017-11-02 |
A Resistor, A Heat Dissipater And A Combinatory Device Of Resistor And Heat Dissipater App 20170278599 - FANG; Taixun ;   et al. | 2017-09-28 |
A Starting Method And Stopping Method For A Static Synchronous Series Compensator App 20170229865 - PAN; Lei ;   et al. | 2017-08-10 |
Method For Incorporating Non-operating Station Into Operating System In Multi-terminal Flexible Dc Transmission System App 20170207630 - DONG; Yunlong ;   et al. | 2017-07-20 |
Apparatus For Breaking Line Bidirectional Current And Control Method Thereof App 20170133835 - CAO; Dongming ;   et al. | 2017-05-11 |
Apparatus for breaking line bidirectional current and control method thereof Grant 9,634,476 - Cao , et al. April 25, 2 | 2017-04-25 |
Method for charging modular multilevel converter Grant 9,608,511 - Wang , et al. March 28, 2 | 2017-03-28 |
Voltage-source Multi-level Converter, Dc Power Transmission System, And Fault Processing Method And Device App 20170070047 - SHEN; Guorong ;   et al. | 2017-03-09 |
Current source converter differential protection method and relay protection device Grant 9,584,007 - Zhang , et al. February 28, 2 | 2017-02-28 |
Direct-current Power Transmission Protection Device, Converter And Protection Method App 20170047727 - Cao; Dongming ;   et al. | 2017-02-16 |
Method For Charging Modular Multilevel Converter App 20170040885 - WANG; Nannan ;   et al. | 2017-02-09 |
Coordination control method of multi-terminal VSC-HVDC transmission system App 20160308359 - DONG; Yunlong ;   et al. | 2016-10-20 |
Direct Current (dc) Voltage Control Method And Apparatus App 20160226306 - DONG; Yunlong ;   et al. | 2016-08-04 |
Apparatus for limiting current of line or breaking current, and control method thereof Grant 9,362,734 - Wang , et al. June 7, 2 | 2016-06-07 |
Sub-module, Protection Unit, Converter, And Control Method Thereof App 20160126827 - DONG; Yunlong ;   et al. | 2016-05-05 |
Current Source Converter Differential Protection Method And Relay Protection Device App 20160118877 - ZHANG; Qixue ;   et al. | 2016-04-28 |
Apparatus For Limiting Current Of Line Or Breaking Current, And Control Method Thereof App 20150372473 - WANG; Yu ;   et al. | 2015-12-24 |
Frequency-conversion Differential Protection Method For Output Transformer Of Static Frequency Converter System App 20150255978 - Chen; Jun ;   et al. | 2015-09-10 |