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Table 1 Analytical comparison of the disturbances and feature quantities

From: Power quality disturbance classification based on time-frequency domain multi-feature and decision tree

Disturbance types

F1

F2

F3

F4

F5

F6

F7

F8

C0

> 0.56

≈1

≈1

≈1

< 0.0009

≈0

≈0

0

C1

> 0.56

> 1.1

≈1

> 0.018,< 0.29

< 0.01

< 0.1

< 0.009

1

C2

> 0.56

≈1

> 0.1,< 0.9

> 0.017,< 0.32

< 0.01

< 0.12

< 0.01

1

C3

> 0.56

≈1

< 0.1

> 0.12,< 0.36

< 0.01

< 0.13

< 0.02

1

C4

> 0.56

≈1

≈1

< 0.002

< 0.004

> 0.045,< 0.3

> 0.02,< 0.13

0

C5

> 0.56

> 1.1

> 0.1,< 0.9

> 0.002

≈0

< 0.04

< 0.002

≥2

C6

≤0.56

≈1

≈1

≈1

> 0.01,< 0.06

< 0.006

< 0.012

0

C7

≤0.56

> 1.1

≈1

> 0.015,< 0.29

> 0.01,< 0.06

< 0.006

< 0.012

0

C8

≤0.56

≈1

> 0.1,< 0.9

> 0.02,< 0.33

> 0.01,< 0.06

< 0.006

< 0.012

0