BS PD IEC TR 61000-1-8:2019的目的是提供有关当前条件的信息， 并预测未来发展，主要是第三和第五阶段的主要相位角 公共供电网络上的谐波电流。这一目标是通过监测 网络数量，以及预测技术变化影响的努力。交叉引用:IEC 61000-3-12:2011IEC 61000-3-2购买时可用的所有现行修订版均包含在本文件的购买中。

The object of BS PD IEC TR 61000-1-8:2019 is to provide information about the current conditions, and project future developments, of prevailing phase angles, predominantly for the 3rd and 5th harmonic currents, on public supply networks. This objective is accomplished by monitoring a number of networks, and efforts to forecast the effects of changes in technologies.Cross References:IEC 61000-3-12:2011IEC 61000-3-2All current amendments available at time of purchase are included with the purchase of this document.