GB/Z 17624.8-2025 Electromagnetic compatibility—General—Part 8:Phase angles of harmonic current emissions and voltages in the public supply networks—Future expectations

Scope

This document aims to provide information on the current status and future prospects of the public power supply network, focusing primarily on the phase angle dominated by third- and fifth-harmonic currents. This is achieved by monitoring a certain number of power grids and forecasting technological changes. This document provides information to guide discussions on the effectiveness of possible mitigation techniques and summarizes the impact of selected harmonic currents on the phase angle position. This document primarily addresses the phase angle of third- and fifth-harmonic currents, but also includes information on other harmonic currents.

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