Handbook: Protective Devices in 24 kV ACC Installations
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This Handbook is revised and somewhat updated from the original issue of 1994. The Handbook gives recommendations about choices and correct use of overvoltage protection in lightning prone area, corrosion protection, and choices of open or tight ACC line configurations, and measures to protect the insulation surface against surface degradation in polluted prone parts of the line. Protection integrated in the pole top is also described. Conditions that affect protection choices are described in appendices and references to technical reports when more details can be found are indicated.