Research Article
On the Development of High Power DC-DC Step-Down Converter with Energy Recovery Snubber
Table 2
Calculation of snubber parameters.
| | Ls (μH) | di/dt (A/us) |
(A) |
(μF) | Condition |
(A) | Min. duty cycle limit | Max. duty cycle limit |
| | 1 | 600 | 35 | 0.328565 | −7504.5 | TRUE | 182.6 | 0.028185861 | 0.969112264 | | 2 | 300 | 22 | 0.323911 | −5808 | TRUE | 144.7242 | 0.040937446 | 0.962884825 | | 3 | 200 | 20 | 0.328112 | −4356 | TRUE | 129.0297 | 0.051743372 | 0.955668148 | | 4 | 150 | 18 | 0.329851 | −2836 | TRUE | 119.4543 | 0.06115151 | 0.945936337 | | 5 | 120 | 16 | 0.329561 | −1260 | TRUE | 112.7242 | 0.069572661 | — | | 6 | 100 | 15 | 0.330828 | 273 | FALSE | 107.9057 | 0.077569317 | — | | 7 | 85.714286 | 15 | 0.334903 | 1728.5 | FALSE | 104.4218 | 0.085468737 | — | | 8 | 75 | 15 | 0.338977 | 3184 | FALSE | 101.634 | 0.093078882 | — | | 9 | 66.666667 | 15 | 0.343051 | 4639.5 | FALSE | 99.34127 | 0.100457752 | — | | 10 | 60 | 15 | 0.347125 | 6095 | FALSE | 97.41529 | 0.107647168 | — |
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