Skip to main content

Table 3 d7 and a12 coefficients during the unstable, stable, and faulty conditions

From: A novel out of step relaying algorithm based on wavelet transform and a deep learning machine model

Current signal during

Co-efficient

Mean value

Median

Max value

Min value

Unstable swing

d7

0.020

− 0.010

6.346

− 7.298

Stable swing

d7

0.008

− 0.008

2.287

− 2.311

3-Phase fault

d7

59.74

262

4.431 × 104

4.2 × 104

Unstable swing

a12

0.037

0.02

0.1881

-0.008

Stable swing

a12

0.062

0.035

0.3181

-0.007

3-Phase fault

a12

1.2 × 104

8888

5.08 × 104

392