Customer satisfaction a reliable and stable supply requires. Electric loads characteristics often make it necessity to adopt back-up energy sources, which, coupled with the main one, are able to satisfy loads requirements in terms of continuity and quality. For special applications, which require a high continuity source, it is necessary to combine the main electric energy source with UPS sources, which consist of a dc battery and a rotating electric generator, which supports the finite capacity of the battery pack. The research is actually devolved to study electric power systems, which, characterised by high reliability and low maintenance costs, present also low pollution and noise level: in particular, it is already carrying out tests to use UPS, which are equipped with fuel-cell systems [1]. When the duration of power outage/requirement is uncertain, the fuel-cell system is an ideal power source, which keeps generating power required by the loads, as long as a sufficient quantity of hydrogen and oxygen is provided. In the paper, the design for a fuel-cell-based inverter system is discussed. Defined fuel-cell characteristics, it is, in particular, focused on the possibility of selecting between battery or ultracapacitor-based energy storage device with reference to their features in terms of electrical and reliability aspects.

Electrical networks fed by fuel-cells for uninterruptible electrical supply

PIEGARI, LUIGI
2002-01-01

Abstract

Customer satisfaction a reliable and stable supply requires. Electric loads characteristics often make it necessity to adopt back-up energy sources, which, coupled with the main one, are able to satisfy loads requirements in terms of continuity and quality. For special applications, which require a high continuity source, it is necessary to combine the main electric energy source with UPS sources, which consist of a dc battery and a rotating electric generator, which supports the finite capacity of the battery pack. The research is actually devolved to study electric power systems, which, characterised by high reliability and low maintenance costs, present also low pollution and noise level: in particular, it is already carrying out tests to use UPS, which are equipped with fuel-cell systems [1]. When the duration of power outage/requirement is uncertain, the fuel-cell system is an ideal power source, which keeps generating power required by the loads, as long as a sufficient quantity of hydrogen and oxygen is provided. In the paper, the design for a fuel-cell-based inverter system is discussed. Defined fuel-cell characteristics, it is, in particular, focused on the possibility of selecting between battery or ultracapacitor-based energy storage device with reference to their features in terms of electrical and reliability aspects.
2002
Proceedings of IEEE International Symposium on Industrial Electronics - ISIE 2002
0780373693
File in questo prodotto:
File Dimensione Formato  
isie2002.pdf

Accesso riservato

: Post-Print (DRAFT o Author’s Accepted Manuscript-AAM)
Dimensione 799.12 kB
Formato Adobe PDF
799.12 kB Adobe PDF   Visualizza/Apri

I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.

Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11311/561817
Citazioni
  • ???jsp.display-item.citation.pmc??? ND
  • Scopus 19
  • ???jsp.display-item.citation.isi??? 13
social impact