Frequency Droop-Based Synchronverter Without Battery for Primary Support of Microgrids

被引：0

作者：

Santos, Maxwel da Silva ^{[1
]}

Barros, Luciano Sales ^{[3
]}

Costa, Flavio Bezerra ^{[2
]}

Vital Barros, Camila Mara ^{[3
]}

Silva Junior, Guilherme Penha ^{[1
]}

Strunz, Kai ^{[4
]}

机构：

[1] Univ Fed Rio Grande do Norte, Natal, RN, Brazil

[2] Michigan Technol Univ, Houghton, MI 49931 USA

[3] Univ Fed Paraiba, Joao Pessoa, Paraiba, Brazil

[4] Tech Univ Berlin, Berlin, Germany

来源：

JOURNAL OF CONTROL AUTOMATION AND ELECTRICAL SYSTEMS | 2023年 / 34卷 / 01期

关键词：

DC-bus voltage control; Distributed generation without battery; Microgrid; Primary supports; Synchronverter;

D O I：

10.1007/s40313-022-00928-9

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Distributed generation (DG) based on synchronverter with no battery is unable to provide frequency support without compromising DC-bus voltage level. However, this paper proposes a new synchronverter, which can outline this limitation by adjusting the DC-bus voltage setpoint if the grid frequency gets out of a safe predefined range. This is done through a droop mechanism as long as the DC-bus voltage level is inside range. Similarly, if the grid voltage gets out of a scheduled range, a voltage droop is triggered to provide voltage support. Thus, the proposed synchronverter brings support capability with no battery and maintains a safe DC-bus voltage level. Performance is assessed in an eolic-photovoltaic hybrid DG in a microgrid. The obtained results demonstrate the primary support capability with no battery and prolonged support capability if a battery is instead used in DC bus.

引用

页码：40 / 49

页数：10

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