Yubin Kim

Mar 6, 2024 | mdpi.com | Yubin Kim |Thuy Tran |Kyeong-Hwa Kim |Thúy Vi

1. IntroductionNowadays, grid-connected inverters (GCIs) are being increasingly developed to facilitate renewable energy generation systems, microgrid or smart grids [1,2]. The GCI systems should operate to effectively transfer the direct current (DC) power from distributed generators to alternative current (AC) power to inject it into the grid even under harsh unexpected grid conditions [3,4].

Jan 3, 2024 | preprints.org | Yubin Kim |Thuy Tran |Kyeong-Hwa Kim

Preprint Article Version 1 This version is not peer-reviewed Version 1 : Received: 2 January 2024 / Approved: 3 January 2024 / Online: 3 January 2024 (10:04:36 CET) Kim, Y.; Tran, T.V.; Kim, K. Robust EMPC-Based Frequency Adaptive Grid Voltage Sensorless Control for an LCL-Filtered Grid-Connected Inverter. Preprints 2024, 2024010117. https://doi.org/10.20944/preprints202401.0117.v1 Kim, Y.; Tran, T.V.; Kim, K.

Jul 22, 2023 | arxiv.org | Yubin Kim |Andrew Stanton

In e-commerce, head queries account for the vast majority of gross merchandise sales and improvements to head queries are highly impactful to the business. While most supervised approaches to search perform better in head queries vs. tail queries, we propose a method that further improves head query performance dramatically.