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The paper is focused on realization and verification of a Voltage Peak Detection (VPD) flickermeter. The design of the VPD flickermeter is based on the removal of the quadratic demodulator from the standard IEC flickermeter scheme and replacement with a new type of demodulation. The aim of this modification is to obtain improved response to high frequency interharmonics in the power supply voltage. High frequency interharmonics can cause flickering of many types of lamps except standard incandescent one and the standard flickermeter cannot catch it. The instrument implementation and performance is described and results of compliance test are shown. Standardize verification is performed by means of tests and requirements defined in the standard IEC 61000-4-15. The performance in the real deployment was tested by a set of tests focused mainly on cumulative disturbances including interharmonic distortion and by a long time measurement in the supply network with the simultaneous deployment of other flickermeter types. The results of all measurements are compared and discussed.
Date of Conference: 26-28 Sept. 2012