NR ENGINEERING CO., LTD

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Nanjing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Longitudinal differential protection method of transformer
- Patent number 11,881,700
- Issue date Jan 23, 2024
- NR ELECTRIC CO., LTD
- Qiaogen Gu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Converter control method and device
- Patent number 11,374,411
- Issue date Jun 28, 2022
- NR ELECTRIC CO., LTD
- Jiacheng Wang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Control system and control method for parallel converter system
- Patent number 11,355,932
- Issue date Jun 7, 2022
- NR ELECTRIC CO., LTD
- Nannan Wang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Multi-voltage level direct current grid system and control protecti...
- Patent number 11,342,744
- Issue date May 24, 2022
- NR ELECTRIC CO., LTD
- Yeyuan Xie
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method for initiating flexible DC transmission system under isolate...
- Patent number 11,329,486
- Issue date May 10, 2022
- NR ELECTRIC CO., LTD
- Ke Wang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Voltage and current control method and device for direct-current po...
- Patent number 11,289,905
- Issue date Mar 29, 2022
- NR ELECTRIC CO., LTD
- Jiang Lu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and device for quickly eliminating ferromagnetic resonance o...
- Patent number 11,264,793
- Issue date Mar 1, 2022
- NR ELECTRIC CO., LTD
- Honglin Wang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Series compensator and control method
- Patent number 11,264,794
- Issue date Mar 1, 2022
- NR ELECTRIC CO., LTD
- Lei Pan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Bipolar bidirectional DC converter, and control method and control...
- Patent number 11,223,291
- Issue date Jan 11, 2022
- NR ELECTRIC CO., LTD
- Chen Xie
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Direct current voltage coordination control method
- Patent number 11,190,020
- Issue date Nov 30, 2021
- NR ELECTRIC CO., LTD
- Nannan Wang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Coordinated control method and device for series voltage source con...
- Patent number 11,146,071
- Issue date Oct 12, 2021
- NR ELECTRIC CO., LTD
- Jiang Lu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Adaptive protection method for impedance of parallel capacitors
- Patent number 11,063,424
- Issue date Jul 13, 2021
- NR ELECTRIC CO., LTD
- Zhongpeng Song
- G01 - MEASURING TESTING
Information Patent Grant
Thyristor valve test system based on cooperation of logical functio...
- Patent number 11,009,542
- Issue date May 18, 2021
- NR ELECTRIC CO., LTD
- Fan Yang
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for suppressing impact of compensator on line...
- Patent number 10,965,114
- Issue date Mar 30, 2021
- NR ELECTRIC CO., LTD
- Lei Pan
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Development of embedded type devices and running method for embedde...
- Patent number 10,949,242
- Issue date Mar 16, 2021
- NR ELECTRIC CO., LTD
- Hongjun Chen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Closing control method for high-voltage direct-current circuit breaker
- Patent number 10,944,254
- Issue date Mar 9, 2021
- NR ELECTRIC CO., LTD
- Wei Shi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Fault switch configuration and clearing method in flexible DC conve...
- Patent number 10,923,906
- Issue date Feb 16, 2021
- NR ELECTRIC CO., LTD
- Yu Lu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Converter valve fault warning method and system
- Patent number 10,877,082
- Issue date Dec 29, 2020
- NR ELECTRIC CO., LTD
- Shengfu Gao
- G01 - MEASURING TESTING
Information Patent Grant
Direct current power grid voltage control method
- Patent number 10,840,702
- Issue date Nov 17, 2020
- NR ELECTRIC CO., LTD
- Jiudong Ding
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
On-line input control method, on-line input and quit device for vol...
- Patent number 10,797,487
- Issue date Oct 6, 2020
- NR Electric Co., Ltd.
- Jiang Lu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Charging method for sub-module based hybrid converter
- Patent number 10,763,761
- Issue date Sep 1, 2020
- NR ELECTRIC CO., LTD
- Jiudong Ding
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and apparatus for controlling hybrid direct-current transmis...
- Patent number 10,700,525
- Issue date Jun 30, 2020
- NR Electric Co., Ltd.
- Wenqiang Zhao
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Assembly method for DC converter valve
- Patent number 10,632,578
- Issue date Apr 28, 2020
- NR ELECTRIC CO., LTD
- Xiang Zhang
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Apparatus and method for ensuring reliability of trip protection of...
- Patent number 10,637,287
- Issue date Apr 28, 2020
- NR ELECTRIC CO., LTD
- Zongguang Xu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Housing structure of planar resistor
- Patent number 10,636,548
- Issue date Apr 28, 2020
- NR ENGINEERING CO., LTD.
- Xiang Zhang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Reactive power overexcitation regulation technology for synchronous...
- Patent number 10,535,997
- Issue date Jan 14, 2020
- NR ELECTRIC CO., LTD
- Long Wu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Reconfigurable MMC sub-module unit and control unit thereof
- Patent number 10,523,131
- Issue date Dec 31, 2019
- NR ELECTRIC CO., LTD
- Gang Li
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Charging method for sub-module based hybrid converter
- Patent number 10,483,788
- Issue date Nov 19, 2019
- NR ELECTRIC CO., LTD
- Jiudong Ding
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and system for fault positioning and recovery of voltage sou...
- Patent number 10,476,261
- Issue date Nov 12, 2019
- NR ELECTRIC CO., LTD
- Gang Li
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Starting method and stopping method for a static synchronous series...
- Patent number 10,461,534
- Issue date Oct 29, 2019
- NR Electric Co., Ltd.
- Lei Pan
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

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Patents Applicationslast 30 patents

Information Patent Application
VALVE TOWER REINFORCING STRUCTURE AND REINFORCING METHOD
- Publication number 20220010576
- Publication date Jan 13, 2022
- NR ENGINEERING CO., LTD
- Haibo YU
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
MULTI-VOLTAGE LEVEL DIRECT CURRENT GRID SYSTEM AND CONTROL PROTECTI...
- Publication number 20210265835
- Publication date Aug 26, 2021
- Nr. Electric Co., Ltd
- YEYUAN XIE
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
BIPOLAR BIDIRECTIONAL DC CONVERTER, AND CONTROL METHOD AND CONTROL...
- Publication number 20210242792
- Publication date Aug 5, 2021
- Nr. Electric Co., Ltd
- Chen XIE
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
UNIDIRECTIONAL DC VOLTAGE CONVERSION DEVICE AND SYSTEM AND METHOD F...
- Publication number 20210242787
- Publication date Aug 5, 2021
- Nr. Electric Co., Ltd
- Yeyuan XIE
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Compensator, Control Method and Device Therefor
- Publication number 20210226449
- Publication date Jul 22, 2021
- Nr. Electric Co., Ltd
- Yunlong Dong
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CONVERTER CONTROL METHOD AND DEVICE
- Publication number 20210222673
- Publication date Jul 22, 2021
- NR ELECTRIC CO., LTD.
- Jiacheng Wang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Longitudinal Differential Protection Method Of Transformer
- Publication number 20210203147
- Publication date Jul 1, 2021
- Nr. Electric Co., Ltd
- Qiaogen Gu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
BYPASS THYRISTOR VALVE GROUP INSPECTION METHOD AND CONTROL APPARATUS
- Publication number 20210165034
- Publication date Jun 3, 2021
- NR ELECTRIC CO., LTD
- Dongbin LU
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
COORDINATED CONTROL METHOD AND DEVICE FOR SERIES VOLTAGE SOURCE CON...
- Publication number 20210126462
- Publication date Apr 29, 2021
- NR ELECTRIC CO., LTD.
- Jiang LU
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
REDUNDANT ENERGY ACQUISITION CIRCUIT OF POWER MODULE, AND CONTROL M...
- Publication number 20210036600
- Publication date Feb 4, 2021
- NR Electric Co., Ltd
- Yeyuan XIE
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
METHOD FOR DETECTING OPEN PHASE OF STARTUP/STANDBY TRANSFORMER BASE...
- Publication number 20200363479
- Publication date Nov 19, 2020
- Nr. Electric Co., Ltd
- Jiasheng Chen
- G01 - MEASURING TESTING
Information Patent Application
Direct Current Voltage Coordination Control Method
- Publication number 20200366096
- Publication date Nov 19, 2020
- NR ELECTRIC CO., LTD
- Nannan WANG
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SERIES COMPENSATOR AND CONTROL METHOD
- Publication number 20200295561
- Publication date Sep 17, 2020
- NR ELECTRIC CO., LTD
- Lei PAN
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
VOLTAGE AND CURRENT CONTROL METHOD AND DEVICE FOR DIRECT-CURRENT PO...
- Publication number 20200295563
- Publication date Sep 17, 2020
- NR ELECTRIC CO., LTD.
- Jiang LU
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
METHOD AND DEVICE FOR QUICKLY ELIMINATING FERROMAGNETIC RESONANCE O...
- Publication number 20200287379
- Publication date Sep 10, 2020
- NR ELECTRIC CO., LTD
- Honglin WANG
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
FAULT SWITCH CONFIGURATION AND CLEARING METHOD IN FLEXIBLE DC CONVE...
- Publication number 20200220349
- Publication date Jul 9, 2020
- NR ELECTRIC CO., LTD.
- Yu LU
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CHAINED MULTI-PORT GRID-CONNECTED INTERFACE APPARATUS AND CONTROL M...
- Publication number 20200220355
- Publication date Jul 9, 2020
- NR Electric Co., Ltd
- Yeyuan XIE
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CONTROL SYSTEM AND CONTROL METHOD FOR PARALLEL CONVERTER SYSTEM
- Publication number 20200212674
- Publication date Jul 2, 2020
- NR Electric Co., Ltd
- Nannan WANG
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
METHOD FOR INITIATING FLEXIBLE DC TRANSMISSION SYSTEM UNDER ISOLATE...
- Publication number 20200195013
- Publication date Jun 18, 2020
- NR Electric Co., Ltd
- Ke WANG
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Method And Apparatus For Suppressing Impact Of Compensator On Line...
- Publication number 20200185901
- Publication date Jun 11, 2020
- NR ELECTRIC CO., LTD.
- Lei PAN
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CHARGING METHOD FOR SUB-MODULE BASED HYBRID CONVERTER
- Publication number 20200076321
- Publication date Mar 5, 2020
- NR ELECTRIC CO., LTD.
- Jiudong DING
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
AN ADAPTIVE PROTECTION METHOD FOR IMPEDANCE OF PARALLEL CAPACITORS
- Publication number 20200021104
- Publication date Jan 16, 2020
- NR ELECTRIC CO., LTD.
- Zhongpeng SONG
- G01 - MEASURING TESTING
Information Patent Application
THYRISTOR VALVE TEST SYSTEM BASED ON COOPERATION OF LOGICAL FUNCTIO...
- Publication number 20200011923
- Publication date Jan 9, 2020
- NR ELECTRIC CO., LTD.
- Fan YANG
- G01 - MEASURING TESTING
Information Patent Application
DIRECT CURRENT POWER GRID VOLTAGE CONTROL METHOD
- Publication number 20190341777
- Publication date Nov 7, 2019
- NR ELECTRIC CO., LTD.
- Jiudong DING
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Novel Reactive Power Overexcitation Regulation Technology For Synch...
- Publication number 20190334348
- Publication date Oct 31, 2019
- NR ELECTRIC CO., LTD.
- Long WU
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CHARGING METHOD FOR SUB-MODULE BASED HYBRID CONVERTER
- Publication number 20190326770
- Publication date Oct 24, 2019
- NR ELECTRIC CO., LTD.
- Jiudong DING
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
RUNNING METHOD FOR EMBEDDED TYPE VIRTUAL DEVICE AND SYSTEM
- Publication number 20190317791
- Publication date Oct 17, 2019
- NR ELECTRIC CO., LTD.
- Hongjun CHEN
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
FAULT CURRENT LIMITING CONTROL AND PROTECTION COORDINATION METHOD F...
- Publication number 20190260201
- Publication date Aug 22, 2019
- NR ELECTRIC CO., LTD.
- Zhaoqing HU
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Housing Structure of Planar Resistor
- Publication number 20190259513
- Publication date Aug 22, 2019
- NR ENGINEERING CO., LTD
- Xiang Zhang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Closing Control Method For High-Voltage Direct-Current Circuit Breaker
- Publication number 20190190258
- Publication date Jun 20, 2019
- NR ELECTRIC CO., LTD.
- Wei SHI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

NR ENGINEERING CO., LTD

Organization

Patents Grantslast 30 patents

Longitudinal differential protection method of transformer

Converter control method and device

Control system and control method for parallel converter system

Multi-voltage level direct current grid system and control protecti...

Method for initiating flexible DC transmission system under isolate...

Voltage and current control method and device for direct-current po...

Method and device for quickly eliminating ferromagnetic resonance o...

Series compensator and control method

Bipolar bidirectional DC converter, and control method and control...

Direct current voltage coordination control method

Coordinated control method and device for series voltage source con...

Adaptive protection method for impedance of parallel capacitors

Thyristor valve test system based on cooperation of logical functio...

Method and apparatus for suppressing impact of compensator on line...

Development of embedded type devices and running method for embedde...

Closing control method for high-voltage direct-current circuit breaker

Fault switch configuration and clearing method in flexible DC conve...

Converter valve fault warning method and system

Direct current power grid voltage control method

On-line input control method, on-line input and quit device for vol...

Charging method for sub-module based hybrid converter

Method and apparatus for controlling hybrid direct-current transmis...

Assembly method for DC converter valve

Apparatus and method for ensuring reliability of trip protection of...

Housing structure of planar resistor

Reactive power overexcitation regulation technology for synchronous...

Reconfigurable MMC sub-module unit and control unit thereof

Charging method for sub-module based hybrid converter

Method and system for fault positioning and recovery of voltage sou...

Starting method and stopping method for a static synchronous series...

Patents Applicationslast 30 patents

VALVE TOWER REINFORCING STRUCTURE AND REINFORCING METHOD

MULTI-VOLTAGE LEVEL DIRECT CURRENT GRID SYSTEM AND CONTROL PROTECTI...

BIPOLAR BIDIRECTIONAL DC CONVERTER, AND CONTROL METHOD AND CONTROL...

UNIDIRECTIONAL DC VOLTAGE CONVERSION DEVICE AND SYSTEM AND METHOD F...

Compensator, Control Method and Device Therefor

CONVERTER CONTROL METHOD AND DEVICE

Longitudinal Differential Protection Method Of Transformer

BYPASS THYRISTOR VALVE GROUP INSPECTION METHOD AND CONTROL APPARATUS

COORDINATED CONTROL METHOD AND DEVICE FOR SERIES VOLTAGE SOURCE CON...

REDUNDANT ENERGY ACQUISITION CIRCUIT OF POWER MODULE, AND CONTROL M...

METHOD FOR DETECTING OPEN PHASE OF STARTUP/STANDBY TRANSFORMER BASE...

Direct Current Voltage Coordination Control Method

SERIES COMPENSATOR AND CONTROL METHOD

VOLTAGE AND CURRENT CONTROL METHOD AND DEVICE FOR DIRECT-CURRENT PO...

METHOD AND DEVICE FOR QUICKLY ELIMINATING FERROMAGNETIC RESONANCE O...

FAULT SWITCH CONFIGURATION AND CLEARING METHOD IN FLEXIBLE DC CONVE...

CHAINED MULTI-PORT GRID-CONNECTED INTERFACE APPARATUS AND CONTROL M...

CONTROL SYSTEM AND CONTROL METHOD FOR PARALLEL CONVERTER SYSTEM

METHOD FOR INITIATING FLEXIBLE DC TRANSMISSION SYSTEM UNDER ISOLATE...

Method And Apparatus For Suppressing Impact Of Compensator On Line...

CHARGING METHOD FOR SUB-MODULE BASED HYBRID CONVERTER

AN ADAPTIVE PROTECTION METHOD FOR IMPEDANCE OF PARALLEL CAPACITORS

THYRISTOR VALVE TEST SYSTEM BASED ON COOPERATION OF LOGICAL FUNCTIO...

DIRECT CURRENT POWER GRID VOLTAGE CONTROL METHOD

Novel Reactive Power Overexcitation Regulation Technology For Synch...

CHARGING METHOD FOR SUB-MODULE BASED HYBRID CONVERTER

RUNNING METHOD FOR EMBEDDED TYPE VIRTUAL DEVICE AND SYSTEM

FAULT CURRENT LIMITING CONTROL AND PROTECTION COORDINATION METHOD F...

Housing Structure of Planar Resistor

Closing Control Method For High-Voltage Direct-Current Circuit Breaker