%0 Journal Article %A George Wenzel %A Matias Negrete-Pincetic %A Daniel E Olivares %A Jason S MacDonald %A Duncan S Callaway %B IEEE Transactions on Smart Grid %D 2018 %G eng %N 5 %P 5141 - 5151 %R 10.1109/TSG.2017.2681961 %T Real-Time Charging Strategies for an Electric Vehicle Aggregator to Provide Ancillary Services %V 9 %8 09/2018 %! IEEE Trans. Smart Grid