| Titre : | Load-tracking performance of an autonomous SOFC-based hybrid power generation/energy storage system (2010) |
| Auteurs : | Wang, Li, Auteur ; Dong-Jing Lee, Auteur |
| Type de document : | Article : texte imprimé |
| Dans : | IEEE transactions on energy conversion (Vol. 25 N° 1, Mars 2010) |
| Article en page(s) : | pp. 128 - 139 |
| Note générale : | energy conversion |
| Langues : | Anglais |
| Tags : | DC-DC power convertors ; battery storage plants ; diesel-electric generators ; hybrid systems ; invertors ; solid oxide fuel cells |
| Résumé : | This paper focuses on the load-tracking performance of an autonomous hybrid power generation/energy storage system (PG/ESS) with two solid-oxide fuel cells (SOFCs), a diesel-engine generator (DEG), a battery ESS (BESS), two dc-dc converters, and a dc-ac inverter. The system can sustain PG to supply suddenly changed loads, one of which is an emergency load that must have uninterruptible power supply. This paper proposes a control scheme using the output dc current of the SOFC or the current magnitude of the ac load to modulate the hydrogen-flow rate of the SOFC. The PG of the two SOFCs can be adequately coordinated with the generated power of the DEG, the stored/released energy of the BESS, and the output power of the dc-ac inverter to maintain both frequency and voltage of the connected loads at the desired values. Time-domain simulated results of the studied hybrid system under four studied cases are performed and analyzed to validate the good load-tracking characteristics of the proposed SOFC-based hybrid PG/ESS feeding time-varying loads. |
| En ligne : | http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=5350670&sortType%3Dasc_p_Sequence%26filter%3DAND%28p_IS_Number%3A5416618%29 |
