1.Group name: Green life
2.Organization : Provincial Electricity Authority Thailand
3.Department : Maintenance
4.Member : 7 persons
5.Topic : The improvement of Condition based maintenance system for VWVE Recloser
6.Objective : Introducing a new maintenance method according to organization policy by
calculating correctly “Health Index” for CBM (Condition Based Maintenance) and reducing failure
rate of Recloser.
7.Cause and Solution :
7.1 Cause/Problem :
The old maintenance method (Time based maintenance) is annual maintenance (1 time
per year) however the failure rate of Recloser does not decrease which causes unpredictable
spare parts purchasing.
7.2 Solution :
Implementing the Condition-based maintenance software for calculating Health Index
and evaluating Recloser’s healthy quarterly, 4 times per year, then prioritizing a maintenance
plan for each Recloser according to the value of its Health index.
8.Benefit :
- Following organization policy 4S-12Strategies, reducing SAIFI&SAIDI that can make more
profits (92,008 THB/year).
- Reducing equipment breakdown cost (1,089,276 THB) and leading to the efficiency of
Asset management.
- Reducing power outage and building better image for organization.
- Utilizing an existing technology
- Improving a member’s ability to apply the usage of technology and use QCC
techniques.
- Improving a member’s knowledge about QCC (Theme Achievement) and QCC activities.