Abstract
This study was conducted to determine the Power Quality (PQ) parameters of 900 kHz, 2.8 kW Ultra High Frequency Induction Heating System (UHFIHS) during heat treatment of TI-6Al-4V based material. The material is one of the most important titanium alloys in the industry applications. All current and voltage data of the induction system are collected under laboratory conditions with special analog sensors and recorded to the computer by using NI LabVIEWTM program. The collected data are analyzed by Discrete Fourier Transform (DFT) and the effect of the device on power quality parameters during operation was examined. When the DFT frequency spectrum is analyzed, it is seen that the 3rd (150 Hz), 5th (250 Hz), and 7th (350 Hz) harmonic components are quite higher than 10 %, while the others are below 10 % in the Period I and Period II. Period I indicates the time until the sample to be heated reaches a temperature of 700 ° C and period II indicates the time after the sample has reached the desired temperature level.
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