Kai Xin

Person

Shanghai, CN

People

Patents Grantslast 30 patents

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
Information Patent Grant
Apparatus, inverter system, and method for synchronizing carriers
- Patent number 11,133,751
- Issue date Sep 28, 2021
- Huawei Technologies Co., Ltd.
- Fangcheng Liu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Service control method and service control apparatus
- Patent number 10,776,176
- Issue date Sep 15, 2020
- Huawei Technologies Co., Ltd.
- Xiaosheng Zeng
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Service control method and service control apparatus
- Patent number 10,719,371
- Issue date Jul 21, 2020
- Huawei Technologies Co., Ltd.
- Xiaosheng Zeng
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Three-phase converter with zero-sequence regulation
- Patent number 10,715,056
- Issue date Jul 14, 2020
- Huawei Technologies Co., Ltd.
- Fangcheng Liu
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Single-phase converter control method and apparatus
- Patent number 10,666,159
- Issue date May 26, 2020
- Huawei Technologies Co., Ltd.
- Fangcheng Liu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Inverter anti-islanding control system
- Patent number 10,637,249
- Issue date Apr 28, 2020
- Huawei Technologies Co., Ltd.
- Zhangping Shao
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Pulse width modulation method, pulse width modulation system, and c...
- Patent number 10,630,163
- Issue date Apr 21, 2020
- Huawei Technologies Co., Ltd.
- Fangcheng Liu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Islanding detection method and apparatus for inverter, and power su...
- Patent number 10,488,450
- Issue date Nov 26, 2019
- Huawei Technologies Co., Ltd.
- Zhangping Shao
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method for detecting grid connection stability of inverter and inve...
- Patent number 10,345,362
- Issue date Jul 9, 2019
- Huawei Technologies Co., Ltd.
- Fangcheng Liu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power converter
- Patent number 10,103,640
- Issue date Oct 16, 2018
- Huawei Technologies Co., Ltd.
- Yazhu Zhao
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Inverter switching frequency control method and apparatus
- Patent number 9,871,466
- Issue date Jan 16, 2018
- Huawei Technologies Co., Ltd.
- Haibin Guo
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

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
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
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
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
Information Patent Application
RESONANT SWITCHED CAPACITOR CONVERTER AND CONTROL METHOD THEREOF
- Publication number 20240088785
- Publication date Mar 14, 2024
- Huawei Digital Power Technologies Co., Ltd.
- Xinyu YU
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER LINE COMMUNICATION SYSTEM, POWER ELECTRONIC APPARATUS, AND IN...
- Publication number 20240048179
- Publication date Feb 8, 2024
- Huawei Digital Power Technologies Co., Ltd.
- Xinyu YU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
POWER CONTROL METHOD AND APPARATUS, AND ENERGY SYSTEM
- Publication number 20240030713
- Publication date Jan 25, 2024
- Huawei Digital Power Technologies Co., Ltd.
- Mingxuan Dong
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER SUPPLY SYSTEM, INVERTER, AND METHOD FOR CONTROLLING POSITIVE...
- Publication number 20240022181
- Publication date Jan 18, 2024
- Huawei Digital Power Technologies Co., Ltd.
- Xinyu YU
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
ON-GRID/OFF-GRID MODE SWITCHING METHOD AND ENERGY STORAGE SYSTEM
- Publication number 20240022082
- Publication date Jan 18, 2024
- Huawei Digital Power Technologies Co., Ltd.
- Mingxuan DONG
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
BIPOLAR POWER SUPPLY SYSTEM AND CONTROL METHOD
- Publication number 20240022072
- Publication date Jan 18, 2024
- Huawel Digital Power Technologies Co., Ltd.
- Xinyu Yu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
PHOTOVOLTAIC SYSTEM, INVERTER, AND CONTROL METHOD
- Publication number 20230421074
- Publication date Dec 28, 2023
- Huawei Digital Power Technologies Co., Ltd.
- Xinyu YU
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Photovoltaic Cell Detection Method, Apparatus, and System, Medium,...
- Publication number 20230421098
- Publication date Dec 28, 2023
- Huawei Digital Power Technologies Co., Ltd.
- Xinyu YU
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
COMMON-MODE VOLTAGE ADJUSTMENT METHOD AND APPARATUS, AND CONTROL SY...
- Publication number 20230402941
- Publication date Dec 14, 2023
- Huawei Digital Power Technologies Co., Ltd.
- Xinyu YU
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
PHOTOVOLTAIC SYSTEM AND MAXIMUM INPUT POWER DETERMINING METHOD
- Publication number 20230336121
- Publication date Oct 19, 2023
- Huawei Digital Power Technologies Co.,Ltd.
- Xinyu Yu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
PHOTOVOLTAIC POWER GENERATION SYSTEM, POWER CONTROL METHOD, AND COM...
- Publication number 20230336119
- Publication date Oct 19, 2023
- Huawei Digital Power Technologies Co., Ltd.
- Xinyu YU
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Photovoltaic System, Protection Method, and Inverter System
- Publication number 20230327453
- Publication date Oct 12, 2023
- Huawei Digital Power Technologies Co., Ltd.
- Xinyu YU
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
METHOD AND APPARATUS FOR SUPPRESSING CROSS CURRENT IN INVERTER PARA...
- Publication number 20230318440
- Publication date Oct 5, 2023
- Huawei Digital Power Technologies Co., Ltd.
- Xinyu YU
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DIRECT CURRENT CONVERTER, CONTROL METHOD, DIRECT CURRENT COMBINER B...
- Publication number 20230318464
- Publication date Oct 5, 2023
- Huawei Digital Power Technologies Co., Ltd.
- Xinyu YU
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CONVERSION CIRCUIT, CONVERSION CIRCUIT PRECHARGE CONTROL METHOD, AN...
- Publication number 20230318434
- Publication date Oct 5, 2023
- Huawei Digital Power Technologies Co., Ltd.
- Fuqiang XU
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Person

Patents Grantslast 30 patents

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...

Apparatus, inverter system, and method for synchronizing carriers

Service control method and service control apparatus

Service control method and service control apparatus

Three-phase converter with zero-sequence regulation

Single-phase converter control method and apparatus

Inverter anti-islanding control system

Pulse width modulation method, pulse width modulation system, and c...

Islanding detection method and apparatus for inverter, and power su...

Method for detecting grid connection stability of inverter and inve...

Power converter

Inverter switching frequency control method and apparatus

Patents Applicationslast 30 patents

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

PHOTOVOLTAIC SYSTEM, RELAY DETECTION METHOD, AND POWER SUPPLY SYSTEM

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

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...

RESONANT SWITCHED CAPACITOR CONVERTER AND CONTROL METHOD THEREOF

POWER LINE COMMUNICATION SYSTEM, POWER ELECTRONIC APPARATUS, AND IN...

POWER CONTROL METHOD AND APPARATUS, AND ENERGY SYSTEM

POWER SUPPLY SYSTEM, INVERTER, AND METHOD FOR CONTROLLING POSITIVE...

ON-GRID/OFF-GRID MODE SWITCHING METHOD AND ENERGY STORAGE SYSTEM

BIPOLAR POWER SUPPLY SYSTEM AND CONTROL METHOD

PHOTOVOLTAIC SYSTEM, INVERTER, AND CONTROL METHOD

Photovoltaic Cell Detection Method, Apparatus, and System, Medium,...

COMMON-MODE VOLTAGE ADJUSTMENT METHOD AND APPARATUS, AND CONTROL SY...

PHOTOVOLTAIC SYSTEM AND MAXIMUM INPUT POWER DETERMINING METHOD

PHOTOVOLTAIC POWER GENERATION SYSTEM, POWER CONTROL METHOD, AND COM...

Photovoltaic System, Protection Method, and Inverter System

METHOD AND APPARATUS FOR SUPPRESSING CROSS CURRENT IN INVERTER PARA...

DIRECT CURRENT CONVERTER, CONTROL METHOD, DIRECT CURRENT COMBINER B...

CONVERSION CIRCUIT, CONVERSION CIRCUIT PRECHARGE CONTROL METHOD, AN...