Kai Xin

Person

Shanghai, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Inverter, power grid power supply system, and method for controllin...
- Patent number 12,355,255
- Issue date Jul 8, 2025
- HUAWEI DIGITAL POWER TECHNOLOGIES CO., LTD.
- Mingxuan Dong
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Photovoltaic system, protection method, and inverter system
- Patent number 12,355,253
- Issue date Jul 8, 2025
- HUAWEI DIGITAL TECHNOLOGIES CO., LTD.
- Xinyu Yu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Photovoltaic system and carrier wave signal synchronization method
- Patent number 12,348,047
- Issue date Jul 1, 2025
- HUAWEI DIGITAL POWER TECHNOLOGIES CO., LTD.
- Xinyu Yu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Energy storage system, power conversion system, and method for opti...
- Patent number 12,328,003
- Issue date Jun 10, 2025
- HUAWEI DIGITAL POWER TECHNOLOGIES CO., LTD.
- Mingxuan Dong
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and apparatus for suppressing cross current in inverter para...
- Patent number 12,328,061
- Issue date Jun 10, 2025
- HUAWEI DIGITAL POWER TECHNOLOGIES CO., LTD.
- Xinyu Yu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power line communication system, power electronic apparatus, and in...
- Patent number 12,316,399
- Issue date May 27, 2025
- HUAWEI DIGITAL POWER TECHNOLOGIES CO., LTD.
- Xinyu Yu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Three-level inverter, control method, and system
- Patent number 12,316,244
- Issue date May 27, 2025
- HUAWEI DIGITAL POWER TECHNOLOGIES CO., LTD.
- Xinyu Yu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Photovoltaic power generation system, power control method, and com...
- Patent number 12,308,791
- Issue date May 20, 2025
- HUAWEI DIGITAL POWER TECHNOLOGIES CO., LTD.
- Xinyu Yu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power conversion apparatus and control method for power conversion...
- Patent number 12,231,058
- Issue date Feb 18, 2025
- HUAWEI DIGITAL POWER TECHNOLOGIES CO., LTD.
- Congyuan Wang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power control method and apparatus, and energy system
- Patent number 12,230,966
- Issue date Feb 18, 2025
- HUAWEI DIGITAL POWER TECHNOLOGIES CO., LTD.
- Mingxuan Dong
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Photovoltaic system and maximum input power determining method
- Patent number 12,224,707
- Issue date Feb 11, 2025
- Huawei Technologies Co., Ltd.
- Xinyu Yu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Common-mode voltage injection control method and apparatus for inve...
- Patent number 12,224,682
- Issue date Feb 11, 2025
- HUAWEI DIGITAL POWER TECHNOLOGIES CO., LTD.
- Xinyu Yu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Control method of three-phase multi-level inverter and inverter system
- Patent number 12,212,250
- Issue date Jan 28, 2025
- HUAWEI DIGITAL POWER TECHNOLOGIES CO., LTD.
- Lin Ji
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Energy storage system, on/off-grid switching method, and power conv...
- Patent number 12,184,073
- Issue date Dec 31, 2024
- HUAWEI DIGITAL POWER TECHNOLOGIES CO., LTD.
- Mingxuan Dong
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power supply system, converter, and circulating current suppression...
- Patent number 12,160,106
- Issue date Dec 3, 2024
- HUAWEI DIGITAL POWER TECHNOLOGIES CO., LTD.
- Xinyu Yu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power supply system and control method for power supply system
- Patent number 11,984,800
- Issue date May 14, 2024
- HUAWEI DIGITAL POWER TECHNOLOGIES CO., LTD.
- Xinyu Yu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Solar cell and electronic device
- Patent number 11,961,923
- Issue date Apr 16, 2024
- Huawei Technologies Co., Ltd.
- Shuo Wang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vehicle, control method for vehicle suspension, and related device
- Patent number 11,897,300
- Issue date Feb 13, 2024
- HUAWEI DIGITAL POWER TECHNOLOGIES CO., LTD.
- Fangcheng Liu
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Photovoltaic inverter and corresponding switching frequency control...
- Patent number 11,855,460
- Issue date Dec 26, 2023
- HUAWEI DIGITAL POWER TECHNOLOGIES CO., LTD.
- Xinyu Yu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Solar cell, and methods for preparing the solar cell, smart glasses...
- Patent number 11,818,903
- Issue date Nov 14, 2023
- Huawei Technologies Co., Ltd.
- Shuo Wang
Information Patent Grant
String inverter control method, apparatus, and system, and storage...
- Patent number 11,699,906
- Issue date Jul 11, 2023
- HUAWEI DIGITAL POWER TECHNOLOGIES CO., LTD.
- Xinyu Yu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method for processing direct current electric arc and apparatus
- Patent number 11,693,062
- Issue date Jul 4, 2023
- Huawei Technologies Co., Ltd.
- Fangcheng Liu
- G01 - MEASURING TESTING
Information Patent Grant
Photovoltaic power system and control method thereof
- Patent number 11,689,026
- Issue date Jun 27, 2023
- Huawei Technologies Co., Ltd.
- Rongliang Shi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power backfeed control method, converter, and photovoltaic power ge...
- Patent number 11,626,834
- Issue date Apr 11, 2023
- HUAWEI DIGITAL POWER TECHNOLOGIES CO., LTD.
- Fei Xu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Intensity of current-voltage curve scanning method for photovoltaic...
- Patent number 11,563,404
- Issue date Jan 24, 2023
- Huawei Technologies Co., Ltd.
- Fangcheng Liu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Islanding detection method and apparatus, and computer-readable sto...
- Patent number 11,342,757
- Issue date May 24, 2022
- HUAWEI DIGITAL POWER TECHNOLOGIES CO., LTD.
- Xinyu Yu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Inverter, power generating system, and method for suppressing harmo...
- Patent number 11,336,094
- Issue date May 17, 2022
- Huawei Technologies Co., Ltd.
- Rongliang Shi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Photovoltaic power system and control method thereof
- Patent number 11,316,347
- Issue date Apr 26, 2022
- Huawei Technologies Co., Ltd.
- Rongliang Shi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Control method and controller for string inverter, inverter, and in...
- Patent number 11,171,489
- Issue date Nov 9, 2021
- Huawei Technologies Co., Ltd.
- Xinyu Yu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Control method and apparatus for common-mode modulated wave of sing...
- Patent number 11,146,181
- Issue date Oct 12, 2021
- Huawei Technologies Co., Ltd.
- Fangcheng Liu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
POWER SUPPLY SYSTEM AND GRID-FORMING CONTROL METHOD
- Publication number 20250226657
- Publication date Jul 10, 2025
- Huawei Digital Power Technologies Co., Ltd.
- Shuo WANG
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
GRID CONNECTION INVERTER SYSTEM AND LOW-FREQUENCY OSCILLATION SUPPR...
- Publication number 20250226659
- Publication date Jul 10, 2025
- Huawei Digital Power Technologies Co., Ltd.
- Zhangping SHAO
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Energy Storage System and Islanding Detection Method
- Publication number 20250226668
- Publication date Jul 10, 2025
- Huawei Digital Power Technologies Co., Ltd.
- Mingxuan Dong
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Power Supply System and Control Method Thereof
- Publication number 20250210993
- Publication date Jun 26, 2025
- Huawei Digital Power Technologies Co., Ltd.
- Jinwei He
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Photovoltaic Inverter and Control Method Thereof
- Publication number 20250211132
- Publication date Jun 26, 2025
- Huawei Digital Power Technologies Co., Ltd.
- Wenchao Li
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER CONVERTER, METHOD FOR CONTROLLING POWER CONVERTER, AND POWER...
- Publication number 20250192564
- Publication date Jun 12, 2025
- Huawei Digital Power Technologies Co., Ltd.
- Meiqing Zhang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
PHOTOVOLTAIC POWER GENERATION SYSTEM AND PHOTOVOLTAIC POWER GENERAT...
- Publication number 20250192566
- Publication date Jun 12, 2025
- Huawei Digital Power Technologies Co., Ltd.
- Meiqing ZHANG
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER CONVERSION SYSTEM AND POWER UPDATE CONTROL METHOD
- Publication number 20250158534
- Publication date May 15, 2025
- Huawei Digital Power Technologies Co., Ltd.
- Zisen Qu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER CONVERSION SYSTEM AND POWER UPDATE CONTROL METHOD
- Publication number 20250158413
- Publication date May 15, 2025
- Huawei Digital Power Technologies Co., Ltd.
- Zisen QU
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER CONVERTER AND METHOD FOR CONTROLLING POWER CONVERTER
- Publication number 20250105625
- Publication date Mar 27, 2025
- Huawei Digital Power Technologies Co., Ltd.
- Xiongfei WANG
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER CONVERTER, ENERGY STORAGE POWER SUPPLY SYSTEM, AND POWER OUTP...
- Publication number 20250062619
- Publication date Feb 20, 2025
- Huawei Digital Power Technologies Co., Ltd.
- Meiqing ZHANG
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER SUPPLY SYSTEM, THREE-PHASE INVERTER, CONTROLLER AND CONTROL M...
- Publication number 20250023490
- Publication date Jan 16, 2025
- Huawei Digital Power Technologies Co., Ltd.
- Qilei CHEN
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER CONVERTER AND DETECTION METHOD FOR TERMINAL STATUS
- Publication number 20250023456
- Publication date Jan 16, 2025
- Huawei Digital Power Technologies Co., Ltd.
- Yuan YAO
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER CONVERTER, ENERGY STORAGE SYSTEM, AND CONTROL METHOD
- Publication number 20250023489
- Publication date Jan 16, 2025
- Huawei Digital Power Technologies Co., Ltd.
- Peng DONG
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER CONVERSION DEVICE AND CONTROL METHOD THEREOF
- Publication number 20240333172
- Publication date Oct 3, 2024
- Huawei Digital Power Technologies Co., Ltd.
- Yi DU
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Microgrid System, Power Converter, and Control Method for Power Con...
- Publication number 20240305096
- Publication date Sep 12, 2024
- Huawei Digital Power Technologies Co., Ltd.
- Meiqing Zhang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER SUPPLY SYSTEM AND CURRENT CONVERSION METHOD
- Publication number 20240305099
- Publication date Sep 12, 2024
- Huawei Digital Power Technologies Co., Ltd.
- Zhangping SHAO
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SOLAR CELL COMPONENT, MANUFACTURING METHOD THEREOF, AND ELECTRONIC...
- Publication number 20240274727
- Publication date Aug 15, 2024
- Huawei Technologies Co., Ltd
- Qun Luo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POWER SUPPLY SYSTEM AND GRID CONNECTION CONTROL METHOD
- Publication number 20240250534
- Publication date Jul 25, 2024
- Huawei Digital Power Technologies Co., Ltd.
- Fei XU
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
GRID-TIED INVERTER APPARATUS AND GRID-TIED CONTROL METHOD
- Publication number 20240235423
- Publication date Jul 11, 2024
- Huawei Digital Power Technologies Co., Ltd.
- Yunyu TANG
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
INVERTER, POWER GRID POWER SUPPLY SYSTEM, AND METHOD FOR CONTROLLIN...
- Publication number 20240213783
- Publication date Jun 27, 2024
- Huawei Digital Power Technologies Co., Ltd.
- Mingxuan Dong
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
PHOTOVOLTAIC SYSTEM, RELAY DETECTION METHOD, AND POWER SUPPLY SYSTEM
- Publication number 20240213767
- Publication date Jun 27, 2024
- Huawei Digital Power Technologies Co., Ltd.
- Li LU
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER CONVERTOR CONTROL METHOD, CONTROL APPARATUS, AND COMPUTER STO...
- Publication number 20240204654
- Publication date Jun 20, 2024
- Huawei Digital Power Technologies Co., Ltd.
- Mingquan ZHAO
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
INVERTER AND CONTROL METHOD FOR INVERTER
- Publication number 20240178668
- Publication date May 30, 2024
- Huawei Digital Power Technologies Co., Ltd.
- Fei XU
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER SUPPLY SYSTEM AND CONVERSION METHOD
- Publication number 20240136815
- Publication date Apr 25, 2024
- Huawei Digital Power Technologies Co., Ltd.
- Zhangping SHAO
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
GRID-TIED INVERTER APPARATUS AND GRID-TIED CONTROL METHOD
- Publication number 20240136948
- Publication date Apr 25, 2024
- Huawei Digital Power Technologies Co., Ltd.
- Yunyu TANG
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
PHOTOVOLTAIC SYSTEM, FAST SHUTDOWN METHOD, AND PHOTOVOLTAIC INVERTER
- Publication number 20240128739
- Publication date Apr 18, 2024
- Huawei Digital Power Technologies Co., Ltd.
- Li LU
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
MULTI-INVERTER PARALLEL SYSTEM AND METHOD FOR CONTROLLING GRID CONN...
- Publication number 20240106351
- Publication date Mar 28, 2024
- Huawei Digital Power Technologies Co., Ltd.
- Xinyu YU
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
PHOTOVOLTAIC SYSTEM AND CARRIER WAVE SIGNAL SYNCHRONIZATION METHOD
- Publication number 20240106244
- Publication date Mar 28, 2024
- Huawei Digital Power Technologies Co., Ltd.
- Xinyu Yu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
ENERGY STORAGE SYSTEM, POWER CONVERSION SYSTEM, AND METHOD FOR OPTI...
- Publication number 20240106238
- Publication date Mar 28, 2024
- Huawei Digital Power Technologies Co., Ltd.
- Mingxuan Dong
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Person

Patents Grantslast 30 patents

Inverter, power grid power supply system, and method for controllin...

Photovoltaic system, protection method, and inverter system

Photovoltaic system and carrier wave signal synchronization method

Energy storage system, power conversion system, and method for opti...

Method and apparatus for suppressing cross current in inverter para...

Power line communication system, power electronic apparatus, and in...

Three-level inverter, control method, and system

Photovoltaic power generation system, power control method, and com...

Power conversion apparatus and control method for power conversion...

Power control method and apparatus, and energy system

Photovoltaic system and maximum input power determining method

Common-mode voltage injection control method and apparatus for inve...

Control method of three-phase multi-level inverter and inverter system

Energy storage system, on/off-grid switching method, and power conv...

Power supply system, converter, and circulating current suppression...

Power supply system and control method for power supply system

Solar cell and electronic device

Vehicle, control method for vehicle suspension, and related device

Photovoltaic inverter and corresponding switching frequency control...

Solar cell, and methods for preparing the solar cell, smart glasses...

String inverter control method, apparatus, and system, and storage...

Method for processing direct current electric arc and apparatus

Photovoltaic power system and control method thereof

Power backfeed control method, converter, and photovoltaic power ge...

Intensity of current-voltage curve scanning method for photovoltaic...

Islanding detection method and apparatus, and computer-readable sto...

Inverter, power generating system, and method for suppressing harmo...

Photovoltaic power system and control method thereof

Control method and controller for string inverter, inverter, and in...

Control method and apparatus for common-mode modulated wave of sing...

Patents Applicationslast 30 patents

POWER SUPPLY SYSTEM AND GRID-FORMING CONTROL METHOD

GRID CONNECTION INVERTER SYSTEM AND LOW-FREQUENCY OSCILLATION SUPPR...

Energy Storage System and Islanding Detection Method

Power Supply System and Control Method Thereof

Photovoltaic Inverter and Control Method Thereof

POWER CONVERTER, METHOD FOR CONTROLLING POWER CONVERTER, AND POWER...

PHOTOVOLTAIC POWER GENERATION SYSTEM AND PHOTOVOLTAIC POWER GENERAT...

POWER CONVERSION SYSTEM AND POWER UPDATE CONTROL METHOD

POWER CONVERSION SYSTEM AND POWER UPDATE CONTROL METHOD

POWER CONVERTER AND METHOD FOR CONTROLLING POWER CONVERTER

POWER CONVERTER, ENERGY STORAGE POWER SUPPLY SYSTEM, AND POWER OUTP...

POWER SUPPLY SYSTEM, THREE-PHASE INVERTER, CONTROLLER AND CONTROL M...

POWER CONVERTER AND DETECTION METHOD FOR TERMINAL STATUS

POWER CONVERTER, ENERGY STORAGE SYSTEM, AND CONTROL METHOD

POWER CONVERSION DEVICE AND CONTROL METHOD THEREOF

Microgrid System, Power Converter, and Control Method for Power Con...

POWER SUPPLY SYSTEM AND CURRENT CONVERSION METHOD

SOLAR CELL COMPONENT, MANUFACTURING METHOD THEREOF, AND ELECTRONIC...

POWER SUPPLY SYSTEM AND GRID CONNECTION CONTROL METHOD

GRID-TIED INVERTER APPARATUS AND GRID-TIED CONTROL METHOD

INVERTER, POWER GRID POWER SUPPLY SYSTEM, AND METHOD FOR CONTROLLIN...

PHOTOVOLTAIC SYSTEM, RELAY DETECTION METHOD, AND POWER SUPPLY SYSTEM

POWER CONVERTOR CONTROL METHOD, CONTROL APPARATUS, AND COMPUTER STO...

INVERTER AND CONTROL METHOD FOR INVERTER

POWER SUPPLY SYSTEM AND CONVERSION METHOD

GRID-TIED INVERTER APPARATUS AND GRID-TIED CONTROL METHOD

PHOTOVOLTAIC SYSTEM, FAST SHUTDOWN METHOD, AND PHOTOVOLTAIC INVERTER

MULTI-INVERTER PARALLEL SYSTEM AND METHOD FOR CONTROLLING GRID CONN...

PHOTOVOLTAIC SYSTEM AND CARRIER WAVE SIGNAL SYNCHRONIZATION METHOD

ENERGY STORAGE SYSTEM, POWER CONVERSION SYSTEM, AND METHOD FOR OPTI...