IEEE

Diagnosis of Open-Switch Faults in Grid-Tied Three-Level NPC Inverters With Parameter Uncertainty Using Variable Forgetting Factor Bias-Compensation Recursive Least Squares

Abstract: Tackling the challenge of open-switch (OS) fault diagnostics in grid-tied three-level neutral point clamped (NPC) inverters with parameter uncertainty, this paper introduces a fault ...
IEEE

Current Ripple Prediction and ZVS-Based Variable Switching Frequency Control for Interleaved Multiphase Three-Level DC–DC Converter

Abstract: For high-power applications, the interleaved three-level dc–dc converter is a preferred topology to meet high voltage and high current demands. However, due to the coupling effect of ...
Local 12 WKRC Cincinnati

$458K pothole-patching machine sat unused for years

HOLLYWOOD, Fla. (WPLG/CNN/CNN Newsource/WKRC) - A pricey pothole-patching machine sat unused for years. City leaders in Hollywood, Florida approved a $458,000 purchase they believed would ...