where P is active power, in W QL is inductive load, in VArL QC is capacitive load, in VArC 3.8 run-on time tR amount of time that an unintentional island condition exists, calculated as the interval between the opening of the switch S1 (Figure 1) and the cessation of EUT output current 3.9 stopping signal signal provided by the inverter indicating it has ceased energizing its utility grid-connected output terminals SEE: Annex C. 3.10 unintentional island islanding condition in which the generation within the island that is supposed to cease energizing the utility grid instead continues to energize the utility grid