Agricultural Electrification System Power Quality Flicker Detection

In view of accurate detection of electric power and pressure fluctuation and flicker caused by power grid voltage fluctuation，flicker measurement method recommended by IEC was analyzed.Scheme combined offset and piecewise linear fitting was proposed to improve flicker.Experimental results showed that corrected flicker was whole.Enhancement of body performance was closer to theoretical value，especially in low frequency section.Accuracy of scheme increases significantly，feasibility and superiority of scheme.