| |
|
|
Publication Details
|
|
|
| T003700 3026 |
2005 |
LCMSEA |
|
Prediction of the Remaining Life of Power Connectors and Disconnect Switches
|
|
The work reported here is comprised of the identification and quantification of the limits of the major parameters determining the quality and life of power connectors and disconnect switches and a detailed description of degradation mechanisms/failure modes and their effects on the ability of power connectors and disconnect switches to perform their design functions. Also included in the report is an in-depth description of the effectiveness of various palliative measures used to limit the deleterious effects of different degradation mechanisms and recommendations for maintaining and improving the reliability of power connectors and disconnect switches. A chart correlating the failure modes of power connections and disconnect switches with the relevant microstructural parameters and practical mitigating solutions, as a well an example of cost-benefit analysis, were also provided. For predicting the remaining life (life-left) of power connectors a prognostic model was developed.
An integral part of the report was a review of the most common diagnostic techniques available to utilities for monitoring the condition of power equipment on the network with particular attention devoted to those applicable to power connectors and disconnect switches. A survey of utilities aimed at determining the failure sites, modes and mechanisms of power connectors and disconnect switches and diagnostic techniques used to monitor the condition of power equipment on the network was also conducted.
Finally, and equally important, this report showed that a comprehensive understanding of degradation and its deleterious effects on the ability of power connections and disconnect switches to perform their design functions is an essential requirement for any predictive/preventive maintenance program.
|
|
|
|
|
|
