Provides an up-to-date account of electric power transmission lines along with the techniques and models used in transmission system planning and analysis. Basic material is carefully explained as are the vocabulary and symbols used by the industry. Text is divided into two parts: electrical design and analysis and mechanical design and analysis. The first section covers transmission line parameters, steady-state performance, system protection, insulation coordination, disturbances and other problems such as components and sequence impedances, balanced and unbalanced faults, corona, radio noise and audible noise. The mechanical design and analysis section covers construction of overhead lines, insulator types, conductor vibration, sag and tension analysis, and more. Contains many examples, problems, illustrations, tables and references..