Research Article

State Characteristic Clustering for Nonintrusive Load Monitoring with Stochastic Behaviours in Smart Grids

Figure 9

The distribution of data points generated by 10 appliances with stochastic behaviours. (a) The aggregate active power curve during a long-term operation, where red points represent the stable state. (b) Data points in the (P)-(Q)-(H) 3-dimensional space.
(a)
(b)