Power quality management - Harmonic analysis on public electric power network

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1 Scope

This part of IEC 63222 is a Technical Specification. IEC TS 63222‑4 specifies the requirements of the models, methods and procedures for harmonic analysis on the public electric power network. This document is applicable to harmonic analysis up to 40^th harmonic at high, medium and low voltage of the public electric power network with nominal frequency of 50 Hz or 60 Hz.

NOTE 1 The boundaries between the various voltage levels can be different in different countries/regions. In this document, the following terms for system nominal voltage U_N are used:

Low voltage (LV) refers to U_N ≤ 1 kV;
Medium voltage (MV) refers to 1 kV < U_N ≤ 35 kV;
High voltage (HV) refers to 35 kV < U_N ≤ 230 kV.

NOTE 2 Because of existing network structures, the boundary between medium and high voltage can be different in some countries/regions.