Eitaro Omine, Hiroyuki Hatta, Tsuyoshi Ueno. A Proposal of Demand Response Program for Suppressing Duck-curve's Ramp Rate with Large Penetration of Photovoltaic Generation Systems. In IEEE Power & Energy Society Innovative Smart Grid Technologies Conference, ISGT 2019, Washington, DC, USA, February 18-21, 2019. pages 1-5, IEEE, 2019. [doi]