{"686597":{"#nid":"686597","#data":{"type":"event","title":"Ph.D. Dissertation Defense - Yiming Chen","body":[{"value":"\u003Cp\u003E\u003Cstrong\u003ETitle\u003C\/strong\u003E\u003Cem\u003E:\u0026nbsp; Advanced Techno-Economic and Sustainability Analysis Methods of Emerging Grid Technologies\u003C\/em\u003E\u003C\/p\u003E\u003Cp\u003E\u003Cstrong\u003ECommittee:\u003C\/strong\u003E\u003C\/p\u003E\u003Cp\u003EDr. Santiago Grijalva, ECE, Chair, Advisor\u003C\/p\u003E\u003Cp\u003EDr. Lukas Graber, ECE\u003C\/p\u003E\u003Cp\u003EDr. Bayoun Ge, ECE\u003C\/p\u003E\u003Cp\u003EDr. Sakis Meliopoulos, ECE\u003C\/p\u003E\u003Cp\u003EDr. Fan Zhang, ME\u003C\/p\u003E","summary":"","format":"limited_html"}],"field_subtitle":"","field_summary":[{"value":"\u003Cp\u003EThis dissertation develops advanced techno-economic, environmental, and asset-management methods to evaluate and guide the adoption of emerging grid technologies. A modular techno-economic analysis framework extends conventional device-level assessments by incorporating power-system simulation, with case studies showing consistent cost and performance benefits of medium voltage DC architectures. A life-cycle assessment procedure quantifies cradle-to-grave emissions, demonstrating that supercritical CO2\u2013based circuit breakers can substantially reduce environmental impact relative to SF6 ones. To inform optimal upgrade timing, two asset-management frameworks are introduced: a two-stage framework that integrates life-cycle cost analysis with system-level optimization, and an condition-aware approach using a multi-action RMAB formulation for managing large fleets under uncertainties. Together, these methods provide a valuable decision-support toolkit for identifying cost-effective, low-emission, and scalable pathways for integrating emerging technologies into future grids.\u003C\/p\u003E","format":"limited_html"}],"field_summary_sentence":[{"value":"Advanced Techno-Economic and Sustainability Analysis Methods of Emerging Grid Technologies "}],"uid":"28475","created_gmt":"2025-11-22 07:59:26","changed_gmt":"2025-11-22 08:00:31","author":"Daniela Staiculescu","boilerplate_text":"","field_publication":"","field_article_url":"","field_event_time":{"event_time_start":"2025-12-05T12:00:00-05:00","event_time_end":"2025-12-05T14:00:00-05:00","event_time_end_last":"2025-12-05T14:00:00-05:00","gmt_time_start":"2025-12-05 17:00:00","gmt_time_end":"2025-12-05 19:00:00","gmt_time_end_last":"2025-12-05 19:00:00","rrule":null,"timezone":"America\/New_York"},"location":"Room 408, Van Leer","extras":[],"groups":[{"id":"434381","name":"ECE Ph.D. Dissertation Defenses"}],"categories":[],"keywords":[{"id":"100811","name":"Phd Defense"},{"id":"1808","name":"graduate students"}],"core_research_areas":[],"news_room_topics":[],"event_categories":[{"id":"1788","name":"Other\/Miscellaneous"}],"invited_audience":[{"id":"78771","name":"Public"}],"affiliations":[],"classification":[],"areas_of_expertise":[],"news_and_recent_appearances":[],"phone":[],"contact":[],"email":[],"slides":[],"orientation":[],"userdata":""}}}