This is an introductory survey of how control problems arise on different time scales in electric grid transmission problems. The set up and general form of such problems are considered, along with operational considerations. This talk is drawn from the works
Bienstock, Daniel, Michael Chertkov, and Sean Harnett. "Chance constrained optimal power flow: Risk-aware network control under uncertainty." arXiv preprint arXiv:1209.5779 (2012).
Dvijotham, Krishnamurthy, Scott Backhaus, and Michael Chertkov. "Distributed control of generation in a transmission grid with a high penetration of renewables." Smart Grid Communications (SmartGridComm), 2012 IEEE Third International Conference on. IEEE, 2012.