Table 4: Principal components of feature vectors.

Fault labelPrincipal components
PC1PC2PC3PC4PC5PC6PC7PC8PC9PC10PC11PC12PC13

L1-0.4650.498-0.055-0.5160.0950.008-0.1010.3340.1510.100-0.0400.078-0.097
-0.4590.510-0.076-0.5150.1160.003-0.0820.2970.1370.083-0.0320.076-0.095

L2-0.362-0.2520.257-0.0340.268-0.861-0.699-0.181-0.131-0.7020.0530.071-0.185
0.396-0.547-0.194-0.3470.161-0.432-0.4150.1600.059-0.4380.510-0.070-0.393

L30.8830.3741.1270.4560.1680.145-0.1200.229-0.0360.0610.054-0.0310.020
0.9030.3931.1130.4620.1400.162-0.1580.221-0.0540.0650.081-0.0540.030

L4-0.724-1.0630.7700.037-0.5930.1670.025-0.271-0.0990.0450.0530.124-0.244
0.277-1.6490.483-0.1680.6141.1250.160-0.1820.285-0.3200.0170.4950.519

L5-0.3870.075-0.232-0.1610.2320.5660.057-0.033-0.077-0.0690.1240.0130.072
-0.334-0.002-0.292-0.1070.2420.6000.0820.003-0.120-0.1020.1270.0390.082

L60.350-0.1740.128-0.874-0.099-0.4410.4130.533-0.1490.306-0.0650.2040.002
-1.3350.256-0.4070.647-0.2620.1140.3390.128-0.0680.374-0.047-0.265-0.284

L71.8470.1740.3210.4100.250-0.255-0.026-0.182-0.0080.198-0.2830.083-0.011
1.9950.2170.0450.2760.170-0.364-0.070-0.297-0.0480.130-0.0860.0610.005

L8-1.1100.9120.0241.937-1.912-0.7970.3480.720-0.036-0.7140.6570.3990.280
-1.3370.116-0.7000.5530.894-0.0200.247-0.459-0.0770.289-0.0360.3080.335

L9-0.8450.547-0.5700.382-0.0460.3450.2950.2370.015-0.127-0.100-0.2180.005
0.7530.129-0.6380.6360.2670.3800.208-0.340-0.274-0.473-0.328-0.078-0.162