Journal of Applied Mathematics / 2014 / Article / Fig 4

Research Article

Islanding Detection for Microgrid Based on Frequency Tracking Using Extended Kalman Filter Algorithm

Figure 4

Frequency tracking performance. (a) Frequency tracking comparison among different algorithms; (b) measured frequencies in stage 1; (c) measured frequencies in stage 2; (d) measured frequencies in stage 3.
186360.fig.004a
(a)
186360.fig.004b
(b)
186360.fig.004c
(c)
186360.fig.004d
(d)

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