Young-Kyu Mo

An Electrical Safety Framework Linking Pre-use Inspection, Periodic Inspection, and Detailed Safety Checks for ESS Equipped with Grid-Forming PCS

As renewable energy and inverter-based resources expand, voltage and frequency support is shifting from synchronous machines to power-electronic resources. Battery ESS power conversion systems are thus evolving into key assets for grid support, islanded operation, and system rest...

Event-Based Power Quality Analysis and Assessment Procedure for a PV-ESS Integrated Demonstration Facility

This study evaluates the power quality of a full-scale PV-ESS demonstration facility integrating PV generation, ESS, EV chargers, and office loads. Two field datasets were combined: 1-min VCB relay data at the high-voltage grid connection point and 1-s high-resolution measurement...

A Study on the Short Circuit Current Characteristics and Short Circuit Protection of ESS Battery

Energy Storage Systems store large amounts of electrical energy and may therefore supply high short circuit currents from the battery during a short circuit fault, requiring appropriate short circuit protection. In this study, the short circuit current characteristics of an ESS b...