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Protection and Control of Modern Power Systems

Table 7 Kurtosis index (KI) data for multifractal feature vectors

From: A new protection scheme for PV-wind based DC-ring microgrid by using modified multifractal detrended fluctuation analysis

Type of fault

Class name

Hurst exponent (Hq)

Mass exponent (Eq)

Multifractal component (Mq)

P-P-G

F1

1.08134

2.16532

1.14624

1.08526

2.17866

1.17465

1.09891

2.19561

1.20573

P-P

F2

1.16732

2.20840

3.62411

1.18043

2.25482

3.78423

1.19461

2.28290

3.92311

N-P-G

F3

1.06245

1.81722

2.53841

1.06952

1.87255

2.69722

1.07211

1.91352

2.92833

Shunt arc

F4

1.12280

1.47612

1.60413

1.13079

1.51628

1.65817

1.14550

1.55743

1.68150

Series arc

F5

1.01753

1.23744

1.81861

1.02935

1.28657

1.87533

1.04910

1.39131

1.92372

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