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Yunnan, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Oscillation wave generation circuit and construction method for the...
Patent number
12,308,794
Issue date
May 20, 2025
Electric Power Research Institute of Yunnan Power Grid Co., Ltd.
Xiangyu Tan
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Line protection method and related apparatus for flexible grounding...
Patent number
12,237,663
Issue date
Feb 25, 2025
Electric Power Research Institute of Yunnan Power Grid Co., Ltd
Hongwen Liu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
Information
Patent Application
CT ENERGY EXTRACTION DEVICE
Publication number
20250095899
Publication date
Mar 20, 2025
ELECTRIC POWER RESEARCH INSTITUTE OF YUNNAN POWER GRID CO., LTD.
Xiangyu TAN
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
APPARATUS AND SYSTEM FOR NON-CONTACT CURRENT AND VOLTAGE COMPOSITE...
Publication number
20250093390
Publication date
Mar 20, 2025
ELECTRIC POWER RESEARCH INSTITUTE OF YUNNAN POWER GRID CO., LTD.
Xiangyu TAN
G01 - MEASURING TESTING
Information
Patent Application
Digital-Analog Integrated Voltage Transformer Calibration System
Publication number
20250013254
Publication date
Jan 9, 2025
Yunnan Power Grid Co., Ltd. Electric Power Research Institute
Shaolei ZHAI
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
An Oscillation Wave Generation Circuit and Construction Method for...
Publication number
20250007457
Publication date
Jan 2, 2025
ELECTRIC POWER RESEARCH INSTITUTE OF YUNNAN POWER GRID CO., LTD.
Xiangyu TAN
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Incomplete Dimensionality Augmentation-Based Optimization Method fo...
Publication number
20240405571
Publication date
Dec 5, 2024
Yunnan Power Grid Co., Ltd. Electric Power Research Institute
Enbo LUO
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
LINE PROTECTION METHOD AND RELATED APPARATUS FOR FLEXIBLE GROUNDING...
Publication number
20230361552
Publication date
Nov 9, 2023
Electric Power Research Institute of Yunnan Power Grid Co., Ltd
Hongwen Liu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
METHOD AND SYSTEM FOR LOCATING FAULT OF COMPLEX POWER LINE, DEVICE,...
Publication number
20230280386
Publication date
Sep 7, 2023
Electric Power Research Institute of Yunnan Power Grid Co., Ltd
Hongwen Liu
G01 - MEASURING TESTING
Information
Patent Application
METHOD AND RELATED DEVICE FOR LOCATING RING POWER NETWORK FAULT
Publication number
20230280388
Publication date
Sep 7, 2023
Electric Power Research Institute of Yunnan Power Grid Co., Ltd
Hongwen Liu
G01 - MEASURING TESTING