Power Generation Technology ›› 2026, Vol. 47 ›› Issue (1): 111-121.DOI: 10.12096/j.2096-4528.pgt.260110
• Energy Storage • Previous Articles
Tao LI1,2, Chun ZHANG1,2, Tiancheng HU1,2
Received:2025-01-04
Revised:2025-02-19
Published:2026-02-28
Online:2026-02-12
Contact:
Chun ZHANG
Supported by:CLC Number:
Tao LI, Chun ZHANG, Tiancheng HU. Pre-Synchronization Virtual Synchronous Generator Grid-Connection Strategy Based on Fuzzy Active Disturbance Rejection for Photovoltaic Storage[J]. Power Generation Technology, 2026, 47(1): 111-121.
| e | n | ||||||
|---|---|---|---|---|---|---|---|
| NB | NM | NS | ZO | PS | PM | PB | |
| NB | PB/PB | PB/PB | PB/PB | PB/NB | PS/NB | ZO/NM | NS/NS |
| NM | PB/PB | PB/PB | PM/PM | PM/NM | ZO/ZO | NS/PS | NM/PM |
| NS | PB/PB | PM/PM | PM/PM | PS/NS | NS/PM | NM/PB | NB/PB |
| ZO | ZO/ZO | ZO/ZO | ZO/ZO | ZO/ZO | ZO/ZO | ZO/ZO | ZO/ZO |
| PS | NB/PM | NM/PB | NS/PM | PS/NS | PM/PM | PM/PM | PB/PB |
| PM | NM/PM | NS/PS | ZO/ZO | PM/NM | PB/PM | PB/PB | PB/PB |
| PB | NS/NS | ZO/NM | PS/NB | PB/NB | PB/PB | PB/PB | PB/PB |
Tab. 1 Fuzzy rules
| e | n | ||||||
|---|---|---|---|---|---|---|---|
| NB | NM | NS | ZO | PS | PM | PB | |
| NB | PB/PB | PB/PB | PB/PB | PB/NB | PS/NB | ZO/NM | NS/NS |
| NM | PB/PB | PB/PB | PM/PM | PM/NM | ZO/ZO | NS/PS | NM/PM |
| NS | PB/PB | PM/PM | PM/PM | PS/NS | NS/PM | NM/PB | NB/PB |
| ZO | ZO/ZO | ZO/ZO | ZO/ZO | ZO/ZO | ZO/ZO | ZO/ZO | ZO/ZO |
| PS | NB/PM | NM/PB | NS/PM | PS/NS | PM/PM | PM/PM | PB/PB |
| PM | NM/PM | NS/PS | ZO/ZO | PM/NM | PB/PM | PB/PB | PB/PB |
| PB | NS/NS | ZO/NM | PS/NB | PB/NB | PB/PB | PB/PB | PB/PB |
| 参数 | 数值 | 参数 | 数值 |
|---|---|---|---|
| 直流母线参考电压/V | 1 500 | 逆变器负荷/kW | 40 |
| 蓄电池输出功率/kW | 30 | 网侧负荷/kW | 40 |
| 惯性系数 | 0.003 1 | 有功参考值/kW | 80 |
| 虚拟惯量/(kg⋅m²) | 0.5 | 滤波电感/mH | 5 |
| 虚拟阻尼/(N⋅m⋅s | 20 | 滤波电容/μF | 0.2 |
| 额定频率/Hz | 50 | 开关频率/kHz | 20 |
Tab. 2 System simulation parameters
| 参数 | 数值 | 参数 | 数值 |
|---|---|---|---|
| 直流母线参考电压/V | 1 500 | 逆变器负荷/kW | 40 |
| 蓄电池输出功率/kW | 30 | 网侧负荷/kW | 40 |
| 惯性系数 | 0.003 1 | 有功参考值/kW | 80 |
| 虚拟惯量/(kg⋅m²) | 0.5 | 滤波电感/mH | 5 |
| 虚拟阻尼/(N⋅m⋅s | 20 | 滤波电容/μF | 0.2 |
| 额定频率/Hz | 50 | 开关频率/kHz | 20 |
| 参数 | 常规VSG | LADRC | 模糊LADRC |
|---|---|---|---|
| 并网时间/s | 0.437 | 0.407 | 0.403 |
| 频率振荡最大范围/Hz | 1.029 0 | 1.041 5 | 0.995 8 |
| 并网时电流平均峰值/A | 56.942 5 | 44.938 1 | 39.213 4 |
| 离网功率波动峰值/W | 80 478.5 | 80 402.7 | 80 237.7 |
Tab. 3 Comparison of simulation results for three algorithms
| 参数 | 常规VSG | LADRC | 模糊LADRC |
|---|---|---|---|
| 并网时间/s | 0.437 | 0.407 | 0.403 |
| 频率振荡最大范围/Hz | 1.029 0 | 1.041 5 | 0.995 8 |
| 并网时电流平均峰值/A | 56.942 5 | 44.938 1 | 39.213 4 |
| 离网功率波动峰值/W | 80 478.5 | 80 402.7 | 80 237.7 |
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