Research Article
An Enhanced Modified Multiport Interleaved Flyback Converter for Photovoltaic-Shunt Active Power Filter (PV-SHAPF) Applications
Table 1
Switching table for the proposed PV-SHAPF.
| | Modes | MTIIFC | Three-phase three-level SHAPF | V inv | | S A | S B | S 11 | S 12 | S 13 | S 21 | S 22 | S 23 | S 31 | S 32 | S 33 | S 41 | S 42 | S 43 | V ab | V bc | V ca |
| | Mode 1 | 1 | 1 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 2V dc | −V dc | −V dc | | Mode 2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 2V dc | −V dc | V dc | | Mode 3 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | V dc | V dc | −2V dc | | Mode 4 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | −V dc | 2V dc | −V dc | | Mode 5 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | −V dc | 2V dc | −V dc | | Mode 6 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | −2V dc | −V dc | V dc | | Mode 7 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 2V dc | V dc | V dc | | Mode 8 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | −V dc | −V dc | 2V dc | | Mode 9 | 1 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | −V dc | −V dc | 2V dc | | Mode 10 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | V dc | −2V dc | V dc | | Mode 11 | 1 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | V dc | −2V dc | V dc | | Mode 12 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 2V dc | −V dc | −V dc |
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