Research on the Influence of Switching Frequency on Low-Frequency Oscillation in the Voltage-Controlled Buck-Boost Converter

<table>Measured waveforms for <i>f </i>= 4 kHz: the voltage <svg height="11.3375" id="M122" style="vertical-align:-3.25793pt" version="1.1" viewbox="0 0 14.125 11.3375" width="14.125" xmlns="http://www.w3.org/2000/svg">
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<tspan style="font-size: 12.50px; " x="0" y="0">𝑣</tspan>
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</svg> (upper trace: 10 V/div) and the inductor current <i>i<sub>L</sub></i> (lower trace: 1 A/div), time scale: 1 ms/div.</table>

Mathematical Problems in Engineering

fig11

Figure 11

Figure 11: Research on the Influence of Switching Frequency on Low-Frequency Oscillation in the Voltage-Controlled Buck-Boost Converter 