Research Article
Parameter Design of Half-Bridge Converter Series Y-Connection Microgrid Grid-Connected Filter Based on Improved PSO-LSSVM
Table 4
The LCL filter parameter designed by different methods and the corresponding parameter HCSY-MG system grid-connected current.
| | | Lc (mH) | | Cf (μF) | Fundamental | THD (%) | fr (Hz) |
| | Design method in this paper | 1 | 0.1 | 20 | 10.42 | 1.13 | 3734 | | Traditional design method | 1 | 0.5 | 10 | 10.4 | 1.7 | 2758 | | Graphical analysis method | 1 | 0.4 | 6 | 10.42 | 1.75 | 3845 | | Optimized parameter method | 1 | 0.5 | 5 | 10.4 | 1.83 | 3900 | | Multivariate system of equation method | 1.2 | 0.6 | 10 | 9.8 | 1.38 | 2517 |
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