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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Xiongfei Wang Blaabjerg, F. Poh Chiang Loh |
| Copyright Year | 2014 |
| Description | Author affiliation: Dept. of Energy Technol., Aalborg Univ., Aalborg, Denmark (Xiongfei Wang; Blaabjerg, F.; Poh Chiang Loh) |
| Abstract | This paper analyses the stability of paralleled voltage source converters in AC distributed power systems. An impedance-based stability analysis method is presented based on the Nyquist criterion for multiloop system. Instead of deriving the impedance ratio as usual, the system stability is assessed based on a series of Nyquist diagrams drawn for the terminal impedance of each converter. Thus, the effect of the right half-plane zeros of terminal impedances in the derivation of impedance ratio for paralleled source-source converters is avoided. The interaction between the terminal impedance of converter and the passive network can also be predicted by the Nyquist diagrams. This method is applied to evaluate the current and voltage controller interactions of converters in both grid-connected and islanded operations. Simulations and experimental results verify the effectiveness of theoretical analysis. |
| Starting Page | 1529 |
| Ending Page | 1535 |
| File Size | 2612105 |
| Page Count | 7 |
| File Format | |
| ISBN | 9781479927050 |
| ISSN | 21506086 |
| DOI | 10.1109/IPEC.2014.6869788 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2014-05-18 |
| Publisher Place | Japan |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Switches paralleled voltage source converters Nyquist criterion Yttrium Voltage control stability Impedance-based analysis |
| Content Type | Text |
| Resource Type | Article |
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