Enhanced DC-link Voltage Control in a Virtual Synchronous Generator-Based Building-to-Building Grid Considering Islanded Mode Operation

被引：3
|
作者：
Berhe Gebremariam, Mhret [1 ]
Garcia Fernandez, Pablo [1 ]
Blanco Charro, Cristian [1 ]
Navarro Rodriguez, Angel [1 ]
机构：
[1] Univ Oviedo, Dept Elect Engn, Gijon, Spain
来源：
2021 IEEE ENERGY CONVERSION CONGRESS AND EXPOSITION (ECCE) | 2021年
基金：
欧盟地平线“2020”;
关键词：
Microgrid; virtual synchronous generator; power electronics converter; inertia; P2P energy; FREQUENCY; INVERTERS; NETWORKS;
D O I：
10.1109/ECCE47101.2021.9595525
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The paper presents a droop-based power sharing with a voltage restore dc-link voltage control for a proper power exchange in a virtual synchronous generator (VSG) based building-to-building grid. Under the VSG paradigm, usually proportional-integral (PI) control is used to regulate the dc-link voltage using the energy storage-side, typically, or the grid-side converter. However, this affects the system performance when the load or generation changes. In our proposal, a dc-link droop-based voltage control is implemented using the battery and the interlinking grid converter with an additional voltage restoration controller. The interlinking converter is controlled using a modified VSG control, with a power reference coming from the dc-link voltage controller. The proposed system allows smooth transition from/to islanded to/from grid-connected operation with a pre-synchronization and islanding detection method.
引用
收藏
页码：912 / 918
页数：7
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