General average model of T-type three-level converter for active compensation circuit of distribution network
The active compensation device, between the distribution network’s neutral point and the ground, compensates for the single-phase short-circuit current. And the T-type three-level circuit is a possible scheme for compensation devices. This paper proposes the T-type average model based on the above t...
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| Main Authors: | , , |
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| Format: | article |
| Language: | EN |
| Published: |
Elsevier
2021
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| Subjects: | |
| Online Access: | https://doaj.org/article/8717a8eb82aa4218a8c268fb51eb1c6c |
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| Summary: | The active compensation device, between the distribution network’s neutral point and the ground, compensates for the single-phase short-circuit current. And the T-type three-level circuit is a possible scheme for compensation devices. This paper proposes the T-type average model based on the above topology, with a controlled voltage/current source, regardless of modulation or control methods. Compared with the two-level converter topology, the three-level converter topology improves the rated voltage stress, with few switching devices’ requirements. The modeling and simulation indicate that the T-type’s average model is identical to its switch model. And the T-type three-level converter can achieve the desired active compensation. |
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