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Hybrid power-supply system composed of photovoltaic and fuel-cell systems

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4 Author(s)
Kato, N. ; NTT Facilities Inc., Japan ; Kurozumi, K. ; Susuld, N. ; Muroyama, S.

This paper describes a hybrid power-supply system that combines a photovoltaic system with a fuel-cell system for use as an auxiliary generator for long-term backup. The hybrid system exhausts no harmful gases such as NO x and SO x, and noise and vibration levels are much lower than those of conventional systems that combine a photovoltaic system with an engine generator. The hybrid system is environmentally friendly and requires little maintenance. We have developed two grid-connected hybrid power-supply systems and a stand-alone hybrid power-supply system. The former has been introduced experimentally into on-line computer systems for data communications, and the latter has been introduced into a repeater station for wireless communications.

Published in:

Telecommunications Energy Conference, 2001. INTELEC 2001. Twenty-Third International

Date of Conference:

18-18 Oct. 2001