A method for evaluating the impact of electric vehicle charging on transformer hotspot temperature. - Pia Grahn; Johanna Rosenlind; Patrik Hilber; Karin Alvehag; Lennart Söder (ISGT Europe, 2011)

PHEV Utilization Model Considering Type-of-Trip and Recharging Flexibility. - Pia Grahn; Karin Alvehag; Lennart Söder (IEEE Trans. Smart Grid, 2014)