Practical Considerations for Appropriate Arrester Selection
Using accurate cable ampacities is critical to electrical power system design. An optimally sized cable results in minimum cost and…
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From Substation to Studies: Why Utilities Are Rethinking Engineering Partnerships
The power grid is under more pressure than ever—between electrification, aging infrastructure, extreme weather, and evolving cybersecurity threats, utility teams…
High Resistance Grounding Analysis Using Symmetrical Components
This paper provides a perspective on high resistance grounding (HRG) using symmetrical components. The paper notes that with the use…
Substation Bus Design: Current Methods Compared with Field Results
Current standards define accepted methods of substation bus design. These standards also require certain strength and deflection criteria. This paper…
The Heat and Buried Cable Conundrum
One of the most important factors affecting underground cable ampacity is the thermal resistivity of the soil. A soil’s thermal resistivity…