Open Access
Table 1
Cable joint failure modes, contributing factors and solutions outline.
| Failure mode | Contributing factor(s) | Solution(s) |
|---|---|---|
| Application of mechanical forces | Contraction and expansion of metallic materials | Trifurcation of cable |
| Excess cable for conductor expansion and contraction | ||
| Installation of steel frames for mechanical strength | ||
| Insufficient thermal dissipation | Incorrect thermal resistivity of materials | Utilisation of location based thermal resistivity data |
| Overloaded circuits | Circuits operating close to or over the design ratings | Understanding of wind farm design principles |
| Correct application of cable optimisation techniques | ||
| Installation and workmanship quality | Poor workmanship due to inadequate training and workplace skills | Adequate and tailored training and education pathways for wind farm cable jointers |
| Incorrect technology application | Incorrect application of componentry and technology | Ensure technology and componentry has been designed, tested and manufactured specifically for wind farm applications |
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