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| Content Provider | IET Digital Library |
|---|---|
| Author | Khodaparast, Aryorad Adabi, Jafar Rezanejad, Mohammad |
| Abstract | The paper presents a new transformer-less step-up multilevel inverter structure with a single DC source. The concept was based on cascaded connection of bipolar T-type 5-level modules. Proper charging and discharging of capacitors across the load in prearranged time durations would make a nearly sinusoidal staircase voltage. The output voltage amplitude was several times greater than the DC input depending on the number of modules and charging mode of the capacitors. Multiplying the input voltage, self-balancing, generating bipolar voltage waveform, easy circuit expansion and considerably low THD (Total Harmonic Distortion) were found to be the advantages of the proposed topology. The paper also adds operating principle, simulation and experimental results of a 29-level prototype based on the presented inverter structure. |
| Starting Page | 483 |
| Ending Page | 491 |
| Page Count | 9 |
| ISSN | 17554535 |
| Volume Number | 12 |
| e-ISSN | 17554543 |
| Issue Number | Issue 3, Mar (2019) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-pel/12/3 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-pel.2018.5805 |
| Journal | IET Power Electronics |
| Publisher Date | 2018-11-21 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | 29-level Prototype 5-level T-type Modules Bipolar T-type 5-level Module Bipolar Voltage Waveform Capacitor Cascaded Connection Charging Mode Control of Electric Power System DC Input Easy Circuit Expansion Harmonic Distortion Input Voltage Invertors Output Voltage Amplitude Power Converter Power Electronics Power Supplies to Apparatus Power Supply Prearranged Time Durations Presented Inverter Structure Single DC Source Sinusoidal Staircase Voltage Supervisory Circuit Switched Capacitor Integrator Switched-capacitor Multilevel Inverter Transformer-less |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering |
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