TY - RPRT TI - A Model-Predictive Hierarchical-Control Framework for Aggregating Residential DERs to Provide Grid Regulation Services: Preprint AU - Utkarsh, Kumar AU - Ding, Fei AU - Zhao, Changhong AU - Padullaparti, Harsha AU - Jin, Xin PY - 2020 UR - https://www.osti.gov/biblio/1601958 ID - 1601958 ER -