Systematic design of virtual component method for inverter-based microgrids

Po Hsu Huang, Petr Vorobev, Mohamed Al Hosani, James L. Kirtley, Konstantin Turitsyn

Результат исследований: Глава в книге, отчете, сборнике статейМатериалы для конференциирецензирование

4 Цитирования (Scopus)

Аннотация

Control design of inverter-based microgrids plays a significant role in affecting dynamic performance of the system. Conventional microgrid droop control suffers from instability due to low X/R ratios and unique network characteristics as compared to large power systems. While many approaches such as virtual framework methods, virtual impedance methods, or synchronverters have been proposed and proven effective, an intuitive and fundamental insight into physical origins of instability has not yet been sufficiently disclosed. In this paper, a systematic approach for enhancing the stability of inverter-based microgrids is proposed. A test system is studied to derive simple and concise stability criteria based on the proposed Lyapunov function method. Particularly, we show that unlike in large-scale power systems, for microgrids the transient susceptance B′ plays a crucial role in contracting the region of stable droop gains. Control schemes to minimize B′ are then investigated, enabling a different perspective in views of the virtual component method. Finally, simulations are carried out to validate the proposed approach via direct time-domain analysis.

Язык оригиналаАнглийский
Название основной публикации2017 IEEE Power and Energy Society General Meeting, PESGM 2017
ИздательIEEE Computer Society
Страницы1-5
Число страниц5
ISBN (электронное издание)9781538622124
DOI
СостояниеОпубликовано - 29 янв. 2018
Событие2017 IEEE Power and Energy Society General Meeting, PESGM 2017 - Chicago, Соединенные Штаты Америки
Продолжительность: 16 июл. 201720 июл. 2017

Серия публикаций

НазваниеIEEE Power and Energy Society General Meeting
Том2018-January
ISSN (печатное издание)1944-9925
ISSN (электронное издание)1944-9933

Конференция

Конференция2017 IEEE Power and Energy Society General Meeting, PESGM 2017
Страна/TерриторияСоединенные Штаты Америки
ГородChicago
Период16/07/1720/07/17

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