Kean LIU

Person

Zhuzhou, Hunan, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Voltage control method and system
- Patent number 11,646,675
- Issue date May 9, 2023
- ZHUZHOU CRRC TIMES ELECTRIC CO., LTD
- Kean Liu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Control method for restarting permanent magnet synchronous motor wi...
- Patent number 10,033,313
- Issue date Jul 24, 2018
- CSR ZHUZHOU ELECTRIC LOCOMOTIVE RESEARCH INSTITUTE CO., LTD.
- Jianghua Feng
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Direct-axis current protection method and device for permanent magn...
- Patent number 9,991,829
- Issue date Jun 5, 2018
- CSR ZHUZHOU ELECTRIC LOCOMOTIVE RESEARCH INSTITUTE CO., LTD.
- Jianghua Feng
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and device for acquiring rotor position based on permanent m...
- Patent number 9,837,946
- Issue date Dec 5, 2017
- CRRC ZHUZHOU ELECTRIC LOCOMOTIVE RESEARCH INSTITUTE CO., LTD.
- Jianghua Feng
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
IRON CORE MAGNETIC CIRCUIT MULTIPLEXING METHOD
- Publication number 20240304370
- Publication date Sep 12, 2024
- CRRC ZHUZHOU ELECTRIC LOCOMOTIVE RESEARCH INSTITUTE CO., LTD.
- Gaohua CHEN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POWER DISTRIBUTION AND DRIVING SYSTEM FOR REMOTELY UNDERWATER OPERA...
- Publication number 20230406469
- Publication date Dec 21, 2023
- ZHUZHOU CRRC TIMES ELECTRIC CO., LTD.
- Kean LIU
- B60 - VEHICLES IN GENERAL
Information Patent Application
INFORMATION SECURITY PROTECTION METHOD AND APPARATUS
- Publication number 20230216867
- Publication date Jul 6, 2023
- ZHUZHOU CRRC TIMES ELECTRIC CO., LTD.
- Kean LIU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
VOLTAGE CONTROL METHOD AND SYSTEM
- Publication number 20220360195
- Publication date Nov 10, 2022
- ZHUZHOU CRRC TIMES ELECTRIC CO., LTD.
- Kean LIU
- G05 - CONTROLLING REGULATING
Information Patent Application
METHOD AND DEVICE FOR ACQUIRING ROTOR POSITION BASED ON PERMANENT M...
- Publication number 20160365816
- Publication date Dec 15, 2016
- CRRC ZHUZHOU ELECTRIC LOCOMOTIVE RESEARCH INSTITUTE CO., LTD.
- Jianghua FENG
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CONTROL METHOD FOR RESTARTING PERMANENT MAGNET SYNCHRONOUS MOTOR WI...
- Publication number 20160285397
- Publication date Sep 29, 2016
- CSR ZHUZHOU ELECTRIC LOCOMOTIVE RESEARCH INSTITUTE CO., LTD.
- Jianghua FENG
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DIRECT-AXIS CURRENT PROTECTION METHOD AND DEVICE FOR PERMANENT MAGN...
- Publication number 20160268938
- Publication date Sep 15, 2016
- CSR ZHUZHOU ELECTRIC LOCOMOTIVE RESEARCH INSTITUTE CO., LTD.
- Jianghua FENG
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Person

Patents Grantslast 30 patents

Voltage control method and system

Control method for restarting permanent magnet synchronous motor wi...

Direct-axis current protection method and device for permanent magn...

Method and device for acquiring rotor position based on permanent m...

Patents Applicationslast 30 patents

IRON CORE MAGNETIC CIRCUIT MULTIPLEXING METHOD

POWER DISTRIBUTION AND DRIVING SYSTEM FOR REMOTELY UNDERWATER OPERA...

INFORMATION SECURITY PROTECTION METHOD AND APPARATUS

VOLTAGE CONTROL METHOD AND SYSTEM

METHOD AND DEVICE FOR ACQUIRING ROTOR POSITION BASED ON PERMANENT M...

CONTROL METHOD FOR RESTARTING PERMANENT MAGNET SYNCHRONOUS MOTOR WI...

DIRECT-AXIS CURRENT PROTECTION METHOD AND DEVICE FOR PERMANENT MAGN...