EMC Simulation of Conducted Emissions Produced by a DC- DC converter

Silaghi, Andrei-Marius; Berinde, Florin; Bleoju, Ciprian; Sabata, Aldo De

doi:10.1109/siitme50350.2020.9292237

Cited by 3 publications

(2 citation statements)

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“…Since, the amplitudes and harmonic components change with time, conventional Fourier transform, is not sufficient. Study based on short time Fourier transform (STFT) is used to determine the frequency and phase of local segments of a signal as it changes over time [18]. STFT computes the Fourier transform on each shorter segment of a larger temporal signal.…”

Section: Noise: Common Mode and Differential Modementioning

confidence: 99%

“…For simulating the common-mode noise, capacitive coupling (Cb) between the circuit and ground plane and also capacitance between the ground plane and switching node (Cs) is included. Ideal line impedance stabilization networks (LISNs) are placed between each terminal of the DC supply and the inverter to provide a standard impedance and measurement port for the noise [18]. The CM excitation is captured in a spectrum analyzer as shown in Figure 4.…”

Section: Simulation Of Conducted Emission Of the Convertermentioning

confidence: 99%

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Conducted emission study in space vector modulated voltage source inverter

Yuvaraj

Alagarsamy

Kumar

et al. 2022

IJPEDS

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<p>To comply with electromagnetic interference (EMI) standards, the electromagnetic noise generated by power electronic converters must be analyzed and suppressed since the switching frequency of the converter affects EMI noise. Conducted emission occurs in drive systems due to inverter parasitic capacitances and rapidly switching inverter output voltages. The EMI noise produced space vector pulse width modulation (SVPWM) inverter is calculated using MATLAB/Simulink simulation data. The unwanted common mode and differential mode signals produced by the inverter are captured using a spectrum analyzer and examined using short time Fourier transform (STFT). To mitigate the effect of EMI in the circuit and to comply with the standards filters are developed. The passive filter components are defined by the EMI standards attenuation requirements. The MATLAB simulation findings are confirmed and verified by hardware implementation.</p>

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Section: Noise: Common Mode and Differential Modementioning

confidence: 99%

Section: Simulation Of Conducted Emission Of the Convertermentioning

confidence: 99%