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Table 3 Labeling, description and ranges of the measured and monitored system variables

From: Enhanced fault diagnosis of wind energy conversion systems using ensemble learning based on sine cosine algorithm

Variables

Descriptions

Ranges

x1

Cm: Mechanical torque (Nm)

[−346 , 731.12]

[4.01 , 966.91]

[−423.23 , 110.58]

[−285.44 , 445.71]

[−401.49 , 362.89]

[−466.33 , 318.59]

[−0.0034 , 0.00126]

[−0.00127 , 0.000197]

[−564.29 , 349.93]

[−404.01 , 407.88]

[−33.3 , 568.85]

[−239.54 , 347.24]

x2

Ng: Generator speed (tr/m)

x3

isag: Generator current phase a (A)

x4

isbg: Generator current phase b (A)

x5

isd: Generator current along d-axis (A)

x6

isq: Generator current along q-axis (A)

x7

VDC: Bus voltage (V )

x8

Pout: Output power (W )

x9

isar: Grid current phase a (A)

x10

isbr: Grid current phase b (A)

x11

isd: Grid current along d-axis (A)

x12

isq: Grid current along q-axis(A)