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Table 1 Charging statistics and impact on the low voltage grid of the different queuing policies

From: Quality of service and fairness for electric vehicle charging as a service

Policy Mean SoC (QoE1) Min SoC (QoE1) Min \(U^{avg}_{10min}\) Grid losses
FCFS 99.76% 77.09% 217.91 V 7.35%
EDF 100% 100% 216.68 V 7.44%
LLF 100% 100% 216.35 V 7.42%
PROP 99.78% 69.44% 220.94 V 6.54%
WFQ 99.76% 81.99% 220.19 V 6.51%
DWFQ 100% 100% 219.14 V 6.58%
Baseline - - 231.55 V 0%
uncontrolled 100% 100% 176.69 V 12.79%
U-control 100% 100% 203.67 V 11.88%
  1. 22 kW wall-boxes with 120% transformer limitation. \(U^{avg}_{10min}\) is the 10-minute average voltage value according to EN 50160. Top three scores are marked boldface