Myung-Kooc Oh

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...