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随着变频器应用的日益广泛,谐波所造成的危害也日趋严重,为保证供电质量和安全,各种抑制谐波的方法应运而生。总体上分成两大类:加装电力电子器件类和新型先进技术类。通常变频器都是综合运用多种抑制谐波手段,尽可能地降低谐波污染,提高电网节能效果,并保障电网高效、稳定和安全运行。
With the increasing frequency converter applications, the harm caused by harmonics is also increasingly serious, in order to ensure the quality and safety of power supply, a variety of ways to suppress harmonics came into being. Generally divided into two categories: the installation of power electronic devices and new advanced technology class. Generally, inverters use a variety of harmonic suppression means to reduce harmonic pollution as much as possible, improve the energy-saving effect of the power grid, and ensure the grid operation efficiently, stably and safely.