Substation asset life extension
Your substation is a complex hub of high-voltage equipment that works hard every day to power your production. Do you know your critical substation assets? Do you have strategies in place for maintaining them?
Click on the substation components below to learn more about what they do, why they fail, and how you can prolong their reliable life.
Cables (below ground)
Power cables are often overlooked and misunderstood. They are commonly confused with conductors, which you see coming from the utility into the substation. Cables, on the other hand, are inside of the substation, feeding power to your facility. Most of the cables in use today consist of plastic or rubber dielectric insulation and have already surpassed their 30 – 40 year life expectancy—making preventive maintenance paramount. The cables shown here are below ground and are harder to access for maintenance.
Damaged semiconducting layers
Overheating of the cable or insulation
Incorrect accessory/cable interface dimension
Eliminating physical and high load stressors
IR scanning (visible connectors)
Offline partial discharge (PD) testing
Reduction/elimination of overvoltage testing
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