The penetration of variable renewable energy generation is bringing about the new issues of variability to a power system operation. The issues are expected to be resolved through the optimum deployment of all the flexibility resources. The paper discusses about the variability and the flexibility to find the needs for the evolution of the forecast technologies and the system technologies of centralized and decentralized power systems.
J-STAGEがリニューアルされました!https://www.jstage.jst.go.jp/browse/-char/ja/