BHEL loco components failure pareto analysis

1. Pareto charts of M/s BHEL
Propulsion failures at ELS/BL

2. 52
28
14
8
5 4 4 4 4 3 3 3 3 2 1 1 1 1 0 0
37
57
67
72
76
79
82
84
87 89 91 94 96 97 98 99 99 100 100 100
0
20
40
60
80
100
120
0
10
20
30
40
50
60
Count
Cumm.%
M/s. BHEL make failure case 2022 - 23

3. M/s. BHEL make failure case 2023 – 24 (up to June'23)
14
6
3 3
2 2
1 1 1 1 1 1 1 1
0 0 0 0 0 0
37
53
61
68
74
79
82
84
87
89
92
95
97
100 100 100 100 100 100 100
0
20
40
60
80
100
120
0
2
4
6
8
10
12
14
16
2023-24
up to june'23
Cumm.%

4. Last 3 year(20-21,21-22,22-23) & 23-24 up to June'23 BHEL make failure case
79
31
21
3 3 4
8 7 5 5
10
3 3 1 1 1
7
2 2 1
40
56
66 68 70 72
76
79 82 84
89 91 92 93 93 94
97 98 99 100
0
20
40
60
80
100
120
0
10
20
30
40
50
60
70
80
90
Total
Cumm.%

5. M/s. BHEL make failures
EquipmentName 2020-21 2021-22 2022-23 2023-24
(Jun’23) Total
Power Module 01 12 52 14 79
Sine filter Capacitor 00 00 28 03 31
RBU card 00 1 14 06 21
RAA card 00 00 03 00 03
RDD card 00 00 03 00 03
MFI card 00 00 03 01 03
CREC Module 00 03 04 01 08
Charger Module 00 01 05 01 07
ACI Card 00 00 04 01 05
Inverter Module 00 00 04 01 05
Display 00 00 08 02 10
Brass stud in Aux. Con. 00 00 03 00 03
DCU 00 00 02 01 03

6. EquipmentName 2020-21 2021-22 2022-23 2023-24
(Jun’23) Total
DC-Link Capa.(SR) 00 00 01 00 01
Resistance(15R1) 00 00 01 00 01
Snubber Capa.(BUR) 00 00 01 00 01
Soft. Issue 00 00 04 03 07
VIU card 00 00 00 02 02
Sine filter choke 0 0 01 01 02
Power Supply card 0 0 0 01 01
Total Failure 01 17 141 38 198
Population 04 22 48 48
FRPCPY 25% 77.27% 293% 316.00%