Review Article
Review and Selection Strategy for High-Accuracy Modeling of PWM Converters in DCM
Table 1
Summary of small signal modeling methods.
| Method name | Order | Model type |
| Conventional state-space averaging (SSA) [1] | Reduced order (low accuracy) | Analytical equation | Converter cell [2] | Reduced order (low accuracy) | Equivalent circuit | Full-order SSA [3, 8, 11, 12, 20] | Full order (high accuracy) | Analytical equation | Circuit averaging (CA) [4, 5, 8ā10, 13, 14, 17ā19, 21, 22] | Full order (high accuracy) | Equivalent circuit | Improved SSA [6, 7, 15, 16] | Full order (high accuracy) | Analytical equation |
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