Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11575265 | Method for controlling output level of modular multilevel converter for reducing power system frequency change | Hee Jin Kim, Dong Su Lee, Jae Sik Kang, Sang Min Kim | 2023-02-07 |
| 11139733 | Modular multilevel converter sub-module having DC fault current blocking function and method of controlling the same | Heejin Kim, Sangmin Kim, Jongseo Na, Ryangkyu Kim | 2021-10-05 |
| 10998813 | Modular multi-level converter and DC failure blocking method therefor | Hee Jin Kim, Dong Su Lee, Jae Sik Kang, Sang Min Kim, Jong Seo Na | 2021-05-04 |
| 10673319 | Modular multilevel converter system | Hee Jin Kim, Dong Su Lee, Jae Sik Kang, Ju Yong Jung, Sang Min Kim +1 more | 2020-06-02 |
| 10097001 | Power control system for energy storage devices, and control device and control method thereof | Jaewoong Shim | 2018-10-09 |
| 9871437 | Fault current reduction structure of multi-level converter and apparatus using the fault current reduction structure | Hee Jin Kim, Sang Min Kim | 2018-01-16 |
| 9455618 | Method for controlling multilevel converter | Gum Tae Son, Jung Wook Park, Hee Jin Lee, Tae Sik Nam, Yong Ho Chung +2 more | 2016-09-27 |
| 9052726 | Method of controlling multi level converter | Seung Taek Baek, Gum Tae Son, Jung Wook Park, Hee Jin Lee, Yong Ho Chung +1 more | 2015-06-09 |
| 8606422 | Application of phasor measurement units (PMU) for controlled system separation | Kai Sun, Pei Zhange | 2013-12-10 |
| 6690587 | Apparatus and method of suppressing low speed ripple current of a single-phase inverter | Sang Hoon Lee, Min Hyun Park | 2004-02-10 |