TY - JOUR ID - TI - Study the Effect of Serial Inductance on Reducing the Current Harmonic Distortion of Three-Phase Bridge Rectifier AU - Ghanim Thiab Hasan AU - Muhamad Omar Salih AU - Ali Hlal Mutlaq PY - 2018 VL - 25 IS - 3 SP - 1 EP - 4 JO - Tikrit Journal of Engineering Sciences مجلة تكريت للعلوم الهندسية SN - 1813162X 23127589 AB - The aim of this paper is to analyze the influence of adding serial inductance in AC side of the ‎‎3ph -6 pulse bridge rectifier on the reduction of harmonic distortion rate. A simulated model ‎with serial inductance was analyzed. The 3-phase 6-pulse diode bridge rectifier was chosen ‎because it corresponds to the operation of the 6-pulse thyristor bridge rectifier at maximum ‎load (while keeping the angle α = 0). Both the total harmonic distortion (THDi) and the ‎power factor (PF) for the circuit have been measured. The results obtained of the THDi has ‎been recorded for four values of serial inductance and results was compared with the (IEEE 519-1992) standard. Comparison results indicates ‎that for values of inductive reactance (Xi) up to 67% cause a reduction of THDi which is above the standard values, while for (Xi) more than 67% cause a reduction in THDi within the acceptable standard level. Analyzing of results prove that the adding of serial inductance at the AC ‎side leads to good reduction in harmonic distortion rate, but with some reduction in power ‎factor value, which results in some energy losses.

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