Abstract: Recently, several high-frequency oscillation (HFO) events have occurred in the modular multilevel converter (MMC) based HVDC (MMC-HVDC) projects, threatening the safety and reliability of ...
Abstract: In this letter, a thermally stable and high-quality HfN-HfO/sub 2/ gate stack for advanced MOS applications is reported for the first time. Negligible changes in both equivalent oxide ...