Research Article
Stability and Reactive Power Sharing Enhancement in Islanded Microgrid via Small-Signal Modeling and Optimal Virtual Impedance Control
| Inverter parameters (10 kVA rating) | Parameter | Value | Parameter | Value |
| fs | 8 kHz | | 50 uF | | 1.35 mH | | 0.1 Ω | | 0.35 mH | | 0.03 Ω |
| Droop control parameters |
| | 9.4 × 10−5 (=0.3% droop) | | 1.3 × 10−3 (=2% droop) | Wn | 314.16 rad/sec | | 381 V | Wc | 31.41 rad/sec | | |
| Voltage controller | Current controller |
| | 0.037 | | 393 | | 10.5 | | 1.6 × 104 | Bandwidth | 400 Hz | Bandwidth | 1.6 kHz | F | 0.75 | | Line and load parameters (see Figure 2) |
|
|