Table 1 Key parameters of the converter.
System parameters | Parameter values |
---|---|
Input voltage\({U_{\text{i}}}\) | 600 V |
Output voltage\({U_{\text{o}}}\) | 150 ~ 650 V |
Frequency of resonance\({f_{\text{r}}}\) | 120 kHz |
Resonant inductance\({L_{\text{r}}}\) | 8e-6 H |
Resonant capacitance\({C_{\text{r}}}\) | 220e-9 F |
Parasitic capacitance\({C_{{\text{oss}}}}\) | 1e-10 F |
Ratio of inductance k | 0.182 |
Factor of quality Q | 0.32 |
Ratio of change n | 0.64 |
PFM-PSM switching point\({U_{{\text{s1}}}}\) | 470 V |
Resistance of load\({R_{\text{L}}}\) | 56.03Ω |