Study of modulation techniques applied to full bridge single-phase inverters based on wide-bandgap semiconductors

Abstract

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Comparative Analysis of PWM Techniques for Interleaved Full Bridge Converter in an AC Battery Application

“…The discontinuous PWM method consists of two types: the DPWM1P method and the DPWM2P method [16], as shown in Figure 9, which is applied for a single H-Bridge converter. Because of the similar features of these types, this paper chooses the DPWM1P in combination with the interleaved technique, the so-called "Interleaved Discontinuous PWM", for the IFB converter to compare the other interleaved PWM methods.…”

“…PLECS allows researchers to provide the necessary parameters for the loss estimation of power semiconductors as the threshold voltage, thermal impedance, and drain-source on-state resistance. These are and can be used for the numerical estimation of losses using equations or implemented in the form of lookup tables for the turn-on loss, the turn-off loss, and conduction loss [16,20]. The simulation parameters are presented in Table 3.…”

“…The unipolar PWM gives a lower THD current but the leakage current is high, while the bipolar PWM method achieves a low leakage current but the current ripple is high [12][13][14][15]. The discontinuous PWM method helps reduce power losses [16][17][18]. Based on that, several PWM techniques for the IFB converter were studied in [19].…”

“…discontinuous PWM method helps reduce power losses [16][17][18]. Based on that, several PWM techniques for the IFB converter were studied in [19].…”