ELEX_4420_-_Lab_04_-_Single-Phase_FW_Rectifiers

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British Columbia Institute of Technology *

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4420

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Electrical Engineering

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May 6, 2024

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docx

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Lab 4: Single-Phase Full-Wave Rectifiers Marcel Moreno
BCIT ELEX 4420 – Power Electronics and Renewable Energy Applications Lab 4: Single-Phase Full-Wave Rectifiers Objective To study the behavior of various single-phase rectifier circuits and illustrate some key principles. Equipment Three-Phase Rectifier (External Rectifier) (used as single-phase rectifier in this lab) Capacitors: DC-Link Capacitor ( 850 μF ¿ and EMI Filter Bank capacitors Three-Phase Load Bank (used as DC load) Power Analyzer: For all the parts we use the power analyzer for measurements. DMM (x2): One used as current sensor, one as a voltage sensor. Pre-Lab (2 marks): A Simulink file is provided (FW_rectifier_LCfilter.slx). You need to change the transformer winding ratio so that the transformer’s secondary voltage is 20 V rms. Add your initials on the input lines of the scope. RLC values need to be changed according to the following table and for each case, run the simulation and fill out the table. You will need to remove the L and/or C from the circuit for some cases. For each case, capture the scope results. Scale the axes limits as shown below and copy the plots into your pre-lab report. V dc V rms THD v I dc I rms THD i R = 83 Ω No Filter 16.65 18.77 52.03 0.201 0.226 52.03 R = 62.5 Ω No Filter 16.59 18.72 52.24 0.265 0.299 52.24 R = 62.5 Ω C = 40 μ F 17.84 19.13 38.76 0.285 0379 87.26 R = 62.5 Ω C = 120 μ F 20.65 21.09 20.68 0.330 0.560 137.0 R = 62.5 Ω C = 40 μ F L = 1.5 mH 17.98 19.34 39.58 0.288 0.406 99.61 R = 62.5 Ω 18.19 19.75 42.28 0.291 0.424 106 P. Taheri
BCIT ELEX 4420 – Power Electronics and Renewable Energy Applications C = 40 μ F L = 4.5 mH R = 83 Ω No Filter P. Taheri
BCIT ELEX 4420 – Power Electronics and Renewable Energy Applications R = 62.5 Ω No Filter R = 62.5 Ω C = 40 μ F R = 62.5 Ω C = 120 μ F P. Taheri
BCIT ELEX 4420 – Power Electronics and Renewable Energy Applications P. Taheri
BCIT ELEX 4420 – Power Electronics and Renewable Energy Applications R = 62.5 Ω C = 40 μ F L = 1.5 mH R = 62.5 Ω C = 40 μ F P. Taheri
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