强迫注入 meaning in English

squeeze injection

The former is based on injecting ( inter ) harmonic currents into or switching some branch at the point where the ( inter ) harmonic impedance is to be measured . theses method may cause harmful influences on the operation of power system
“干预式”方法主要通过向系统强迫注入谐波电流或间谐波电流，或是开断系统某一支路来测量谐波阻抗，该方法有可能对系统稳定运行造成不利影响，因而不能广泛使用。