Table 4 Comparison of the proposed converter with different relevant step-Up DC-DC converters.
From: High-step-up quadratic DC–DC converter based on switched capacitor and coupled inductor techniques
Ref | Voltage gain (MCCM) | No. of elements | NVS across main switch | Gain/TCC | Total NVS across components | Common ground | Eff(%) 210W | |||
|---|---|---|---|---|---|---|---|---|---|---|
S | D | C | L + CL | |||||||
\(\frac{2n + 3}{{1 - D}}\) | 1 | 5 | 5 | 0 + 12w | \(\frac{1}{2n + 3}\) | \(\frac{{M_{CCM} }}{12}\) | \(\frac{4n + 6}{{2n + 3}}\) | ✓ | 96.2 | |
\(\frac{2 + nD}{{1 - D}}\) | 2 | 6 | 3 | 0 + 22w | \(\frac{1}{2 + nD}\) | \(\frac{{M_{CCM} }}{13}\) | \(\frac{8 + 4nD}{{2 + nD}}\) | ✓ | 94.7 | |
\(\frac{3 + 2n + nD}{{1 - D}}\) | 1 | 6 | 6 | 0 + 12w | \(\frac{1}{3 + 2n + nD}\) | \(\frac{{M_{CCM} }}{14}\) | \(\frac{5n + 6}{{3 + 2n + nD}}\) | ✓ | 93.2 | |
\(\frac{{n(2 - D)^{2} + (1 - D)}}{{(1 - D)^{2} }}\) | 3 | 4 | 5 | 0 + 22w | \(\frac{1 - D}{{1 - D + n(2 - D)^{2} }}\) | \(\frac{{M_{CCM} }}{14}\) | \(\frac{2 + 8n - 4D}{{1 - D + n(2 - D)^{2} }}\) | ✓ | 96.1 | |
\(\frac{{n(2 - D) + (1 - D)^{2} }}{{(1 - D)^{2} }}\) | 4 | 4 | 5 | 0 + 22w | \(\frac{1 - D}{{n(2 - D) + (1 - D)^{2} }}\) | \(\frac{{M_{CCM} }}{15}\) | \(\frac{3 + 3n - D}{{n(2 - D) + (1 - D)^{2} }}\) | ✓ | 91 | |
\(\frac{3 + n}{{1 - D}}\) | 1 | 5 | 5 | 0 + 12w | \(\frac{1}{3 + n}\) | \(\frac{{M_{CCM} }}{12}\) | \(\frac{n + 6}{{n + 3}}\) | ✓ | 96.1 | |
\(\frac{1 + D + 2n(1 - D)}{{(1 - D)^{2} }}\) | 2 | 4 | 4 | 1 + 12w | \(\frac{1 - D}{{1 + D + 2n(1 - D)}}\) | \(\frac{{M_{CCM} }}{12}\) | \(\frac{6 + 2n - 2D}{{1 + D + 2n(1 - D)}}\) | ✓ | 93.7 | |
\(\frac{2n + 3}{{1 - D}}\) | 2 | 6 | 6 | 0 + 22w | \(\frac{1}{2n + 3}\) | \(\frac{{M_{CCM} }}{16}\) | \(\frac{6 + 6n - nD}{{2n + 3}}\) | ✓ | 95.2 | |
\(\frac{2n + 2}{{1 - D}}\) | 2 | 6 | 6 | 0 + 22w | \(\frac{1}{2 + 2n}\) | \(\frac{{M_{CCM} }}{16}\) | \(\frac{4n + 5}{{2n + 2}}\) | × | 96.8 | |
\(\frac{2n + 4}{{1 - D}}\) | 3 | 6 | 4 | 0 + 23w | \(\frac{1}{2n + 4}\) | \(\frac{{M_{CCM} }}{15}\) | \(\frac{7n + 10}{{2n + 4}}\) | × | 96.2 | |
\(\frac{2n + 2}{{1 - D}}\) | 4 | 6 | 7 | 2 + 23w | \(\frac{1}{2 + 2n}\) | \(\frac{{M_{CCM} }}{21}\) | \(\frac{5n + 4}{{1 + n}}\) | ✓ | 96 | |
\(\frac{3n + 2 + D(2n - 1)}{{1 - D}}\) | 2 | 9 | 8 | 0 + 23w | \(\frac{1}{3n + 2 + D(2n - 1)}\) | \(\frac{{M_{CCM} }}{21}\) | \(\frac{9n + 6}{{2 + 3n + (2n - 1)D}}\) | ✓ | 90 | |
Proposed | \(\frac{{1 + n(2 - D)^{2} }}{{(1 - D)^{2} }}\) | 2 | 4 | 4 | 1 + 12w | \(\frac{1 - D}{{1 + n(2 - D)^{2} }}\) | \(\frac{{M_{CCM} }}{12}\) | \(\frac{5 + 6n - 3D(n + 1)}{{1 + n(2 - D)^{2} }}\) | ✓ | 96.3 |
