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Zhuzhou, Hunan, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Rotor temperature monitoring method and system for permanent magnet...
Patent number
10,374,545
Issue date
Aug 6, 2019
CRRC ZHUZHOU ELECTRIC LOCOMOTIVE RESEARCH INSTITUTE CO., LTD.
Jianghua Feng
G01 - MEASURING TESTING
Information
Patent Grant
Method and system for correcting initial zero offset
Patent number
10,263,556
Issue date
Apr 16, 2019
CRRC ZHUZHOU INSTITUTE CO., LTD.
Jianghua Feng
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 Applications
last 30 patents
Information
Patent Application
ENERGY-SAVING CONTROL METHOD FOR AUTOMATIC TRAIN OPERATION, AND REL...
Publication number
20230174125
Publication date
Jun 8, 2023
CRRC ZHUZHOU ELECTRIC LOCOMOTIVE RESEARCH INSTITUTE CO., LTD.
Wenqing MEI
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
METHOD AND SYSTEM FOR CORRECTING INITIAL ZERO OFFSET
Publication number
20180302014
Publication date
Oct 18, 2018
CRRC ZHUZHOU INSTITUTE CO., LTD.
Jianghua FENG
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
ROTOR TEMPERATURE MONITORING METHOD AND SYSTEM FOR PERMANENT MAGNET...
Publication number
20170338765
Publication date
Nov 23, 2017
CRRC ZHUZHOU ELECTRIC LOCOMOTIVE RESEARCH INSTITUTE CO., LTD.
Jianghua FENG
G01 - MEASURING TESTING
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