1 Scope 1.1 General (ncpt) PL.1 Scope of application This NNA applies to designing and constructing of new overhead lines with nominal system voltages exceeding 1 kV AC. “New overhead line” means a totally new line between two points, A and B, built up with new components. The standard PN‑EN 50341‑1 (Part 1) with this NNA does not apply to modernisation, reconstruction and renovation of the existing lines, unless otherwise specified in the Project Specification.
BS EN 50341-2-22:2022由英国标准学会 GB-BSI 发布于 2022-05-31,并于 2022-05-31 实施。
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