IEEE 1793-2012 PDF
This guide presents factors to be considered in the planning and design of transition facilities between overhead and underground transmission lines. These include the system implications of a hybrid installation as they relate to the transition facility. While this document focuses on transmission lines only, some of the considerations listed in this guide are common to both transmission and distribution installations.
The purpose of this guide is to list and describe typical factors that should be considered in the planning and designing of transition facilities between overhead and underground transmission lines. Some of these factors relate to the installation, operation, and maintenance of the transmission system. This guide is intended to be comprehensive, but may not be all inclusive.
New IEEE Standard – Inactive-Reserved. Careful consideration of the physical and electrical characteristics of overhead lines and transmission cables are necessary in designing a transition structure between the two systems. Environmental and social factors also play a role in designing a transition. By considering the factors contained in this guide, the user will be better able to design a suitable transition that balances cost, operability, environmental factors, and future flexibility.
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