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| Content Provider | IET Digital Library |
|---|---|
| Author | Abbasi, Majid Afifi, Ahmad Pahlavani, Mohammad Reza Alizadeh |
| Abstract | A new ripple base signal flow graph (R-SFG) modelling method was proposed to accurately model and analyse a family of switching DC–DC converter. The performance of some DC–DC converters such as single-inductor multi-output converters is dependent on inductor current ripples. This makes the conventional modelling methods cannot fully predict the overall behaviour of converter. From this family and in this study, a single-inductor dual-output (SIDO) boost/boost converter has been modelled based on proposed R-SFG method. The simplicity and systematic procedure presented in this work showed that the R-SFG could be a good alternative for modelling switching converter with complicated structures and with high inductor current ripple. In the new R-SFG method, the effects of inductor current ripple have been considered to develop the conventional signal flow graph modelling method. In this work, a comparative study between two modelling methods has been carried out in a SIDO converter. A step-by-step direct mathematical manipulation was used to calculate the DC–DC transfer function of SIDO converter. The experimental results were included to show the validity of the obtained models. The experimental results showed that the maximum R-SFG modelling error was about 5% over the wide range of inductor current ripple. |
| Starting Page | 1274 |
| Ending Page | 1284 |
| Page Count | 11 |
| ISSN | 17554535 |
| Volume Number | 12 |
| e-ISSN | 17554543 |
| Issue Number | Issue 5, May (2019) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-pel/12/5 |
| Journal | IET Power Electronics |
| Publisher Date | 2019-01-28 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Boost/boost Converter Conventional Modelling Method Conventional Signal Flow Graph Modelling Method DC-DC Power Converter DC–DC Converter DC–DC Transfer Function High Inductor Current Ripple Inductor Maximum R-SFG Modelling Error Modelling Switching Converter Power Converter Power Electronics Power Supplies to Apparatus Power Supply Proposed R-SFG Method Ripple Base Signal Flow Graph Modelling Method SIDO Converter Signal Flow Graph Single-inductor Dual-output Single-inductor Multioutput Converter Supervisory Circuit Switching Converter Transfer Function |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering |
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