Hyenjun Choi

Follow

Person

Jeollanam-Do, KR

People

Patents Grantslast 30 patents

Information Patent Grant
Multi-circuit DC breaking system
- Patent number 11,855,438
- Issue date Dec 26, 2023
- GREEN ENERGY INSTITUTE
- Hyenjun Choi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
System for and method of frequency control of variable-speed wind p...
- Patent number 11,713,746
- Issue date Aug 1, 2023
- GREEN ENERGY INSTITUTE
- Hyenjun Choi
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM FOR AND METHOD OF FREQUENCY CONTROL OF VARIABLE-SPEED WIND P...
- Publication number 20220307469
- Publication date Sep 29, 2022
- GREEN ENERGY INSTITUTE
- Hyenjun Choi
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Application
MULTI-CIRCUIT DC BREAKING SYSTEM
- Publication number 20210376590
- Publication date Dec 2, 2021
- GREEN ENERGY INSTITUTE
- Hyenjun Choi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER