1. Distributed energy resources: connection modeling and reliability considerations;NREC,2017
2. Frequency control features for increasing DER penetration in power system;Chuvychin,2007
3. Distributed generation: Challenges and possible solutions;Driesen,2006
4. IEEE application guide for IEEE std 1547(TM), IEEE standard for interconnecting distributed resources with electric power systems;IEEE,2009
5. Cybersecurity risk assessment for california’s smart inverter functions;Soyoye,2019