Table 3 Detailed investigation of transformerless converters for nonconventional power generation systems.
From: Implementation of high step-up power converter for fuel cell application with hybrid MPPT controller
Network | Gain conversion | Components needed | Ground needs | Passive components | Current flow | Switch strain | Diodes strain |
|---|---|---|---|---|---|---|---|
DSIBC79 | \(\frac{2}{1 - D}\) | 2-Switches, & 2-diodes | Need | 2-Inductive, & 2-capacitive | Fluctuated | \(\frac{1}{2}\) | \(\frac{1}{2}\) |
LLCPC80 | \(\frac{1}{(1 - D)(1 + D)}\) | 1-Switch, & 3-diodes | Need | 2-Inductive, & 2-capacitive | Fluctuated | One | One |
ITTPC81 | \(\frac{1 + D}{{1 - D}}\) | 2-Switches, & 4-diodes | Not | 2-Inductive, & 3-capacitive | Uniform | \(\frac{{1 + Gain_{CCM} }}{{2*Gain_{CCM} }}\) | \(\frac{{1 + Gain_{CCM} }}{{2*Gain_{CCM} }}\) |
BPC82 | \(\frac{1}{1 - D}\) | 1-Diode & 1-Switch | Not | 1-Inductive & 1-capacitive | Uniform | One | One |
EVGPC83 | \(\frac{1}{D(1 - D)}\) | 3-Switches, & 3- diodes | Need | 2-Inductive, & 2-capacitive | Fluctuated | \(\frac{1}{2} + \sqrt {\frac{1}{4} - \frac{1}{{Gain_{CCM} }}}\) | \(\frac{3}{2} + \sqrt {\frac{1}{4} - \frac{1}{{Gain_{CCM} }}}\) |
IQPC84 | \(\frac{1 + 2D}{{1 - D}}\) | 1-Switch & 3-Diodes | Need | 3-Inductive, & 5-capacitive | Uniform | \(\frac{{Gain_{CCM} + 2}}{{3*Gain_{CCM} }}\) | \(\frac{{Gain_{CCM} + 2}}{{3*Gain_{CCM} }}\) |
Proposed WIOSSBC | \(\frac{2 + D}{{1 - D}}\) | 1-Switch & 4-Diodes | Need | 2-Inductive, & 5-capacitive | Uniform | \(\frac{{3 + Gain_{CCM} }}{{4*Gain_{CCM} }}\) | \(\frac{{3 + Gain_{CCM} }}{{4*Gain_{CCM} }}\) |
