Ping ZHAO

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Zhejiang, CN

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Patents Grantslast 30 patents

Information Patent Grant
Differential protection determination method
- Patent number 11,764,568
- Issue date Sep 19, 2023
- TAIZHOU POWER SUPPLY COMPANY OF STATE GRID ZHEJIANG ELECTRIC POWER
- Ping Zhao
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Ground fault protection method and apparatus for photovoltaic stati...
- Patent number 11,355,922
- Issue date Jun 7, 2022
- STATE GRID ZHEJIANG ELECTRIC POWER CO., LTD. TAIZHOU POWER SUPPLY COMPANY
- Ping Zhao
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Differential protection method and system
- Patent number 10,847,968
- Issue date Nov 24, 2020
- TAIZHOU POWER SUPPLY COMPANY OF STATE GRID ZHEJIANG ELECTRIC POWER
- Ping Zhao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
GROUND FAULT PROTECTION METHOD AND APPARATUS FOR PHOTOVOLTAIC STATI...
- Publication number 20210408781
- Publication date Dec 30, 2021
- STATE GRID ZHEJIANG ELECTRIC POWER CO., LTD. TAIZHOU POWER SUPPLY COMPANY
- Ping ZHAO
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DIFFERENTIAL PROTECTION DETERMINATION METHOD
- Publication number 20210344190
- Publication date Nov 4, 2021
- TAIZHOU POWER SUPPLY COMPANY OF STATE GRID ZHEJIANG ELECTRIC POWER
- Ping Zhao
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DIFFERENTIAL PROTECTION METHOD AND SYSTEM
- Publication number 20200303919
- Publication date Sep 24, 2020
- TAIZHOU POWER SUPPLY COMPANY OF STATE GRID ZHEJIANG ELECTRIC POWER
- Ping ZHAO
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER