1 Introduction
2 The Proposed HS Technique for IM Eccentricity Fault Detection
2.1 Harmonic Series Processing
2.2 Local Spectra Analysis
3 Performance Evaluations
3.1 Overview
f
s
/Hz |
P
|
u
f
|
Q
|
M
|
d/Hz |
---|---|---|---|---|---|
50 | 8 | 3 | 10 | 5 | 2 |
3.2 Experiment Setup
Phase | Poles | HP | Connection | Rotor bars | Stator slots |
---|---|---|---|---|---|
3 | 2 | 1/3 | Y | 34 | 24 |
3.3 Static Air-gap Eccentricity Fault Detection
Load level | 0 | 20 | 50 | 70 | 100 |
---|---|---|---|---|---|
PSD training SR | 69.71 | 65.84 | 68.23 | 65.38 | 60.46 |
PSD test SR | 65.97 | 61.49 | 65.52 | 61.66 | 53.57 |
HHT training SR | 99.26 | 72.30 | 53.20 | 52.20 | 77.27 |
HHT test SR | 98.41 | 71.59 | 48.76 | 51.20 | 74.99 |
CHS training SR | 96.18 | 81.47 | 96.68 | 96.14 | 96.17 |
CHS test SR | 94.54 | 78.92 | 95.79 | 94.73 | 95.77 |
HS training SR | 100 | 100 | 99.56 | 100 | 97.87 |
HS test SR | 100 | 100 | 99.20 | 100 | 97.28 |
Load level | 0 | 20 | 50 | 70 | 100 |
---|---|---|---|---|---|
PSD training SR | 73.09 | 69.41 | 68.37 | 71.07 | 68.47 |
PSD test SR | 71.63 | 67.95 | 66.60 | 69.88 | 66.32 |
HHT training SR | 93.13 | 72.94 | 66.87 | 67.92 | 77.96 |
HHT test SR | 92.42 | 71.62 | 66.05 | 66.50 | 77.15 |
CHS training SR | 95.98 | 80.79 | 96.69 | 94.47 | 93.57 |
CHS test SR | 95.78 | 79.05 | 95.90 | 93.97 | 92.83 |
HS training SR | 99.99 | 100 | 99.41 | 100 | 95.73 |
HS test SR | 99.83 | 100 | 99.10 | 100 | 95.17 |
3.4 Dynamic Air-gap Eccentricity Fault Detection
Load level | 0 | 20 | 50 | 70 | 100 |
---|---|---|---|---|---|
PSD training SR | 84.14 | 63.21 | 60.68 | 65.44 | 61.28 |
PSD test SR | 81.82 | 60.13 | 57.11 | 60.94 | 58.41 |
HHT training SR | 82.60 | 64.22 | 58.73 | 56.52 | 60.38 |
HHT test SR | 79.99 | 60.23 | 53.67 | 52.66 | 59.30 |
CHS training SR | 94.02 | 91.14 | 85.97 | 78.27 | 75.92 |
CHS test SR | 92.30 | 88.66 | 85.71 | 75.23 | 74.66 |
HS training SR | 99.47 | 97.69 | 98.50 | 94.74 | 93.72 |
HS test SR | 98.96 | 97.13 | 97.73 | 94.53 | 92.47 |
Load level | 0 | 20 | 50 | 70 | 100 |
---|---|---|---|---|---|
PSD training SR | 83.95 | 66.93 | 67.17 | 68.22 | 66.40 |
PSD test SR | 82.73 | 64.75 | 65.02 | 66.87 | 63.45 |
HHT training SR | 79.40 | 67.89 | 67.57 | 68.24 | 68.06 |
HHT test SR | 78.75 | 60.30 | 65.73 | 65.42 | 65.20 |
CHS training SR | 93.51 | 89.00 | 89.45 | 80.79 | 79.59 |
CHS test SR | 92.88 | 87.73 | 88.82 | 79.67 | 78.17 |
HS training SR | 99.02 | 95.99 | 96.27 | 94.67 | 91.78 |
HS test SR | 98.98 | 95.43 | 95.47 | 93.87 | 91.35 |