Photovoltaic Systems for Remote Telecommunication Stations the CCITT / Gas 4 Approach (1)

- The GAS 4 Group was reestablished in 1980 by the Seventh Plenary Assembly of CCITT to rewrite the handbook "Primary sources of energy" (Chapter 1). - This contribution explains and comments the photovoltaic chapter of the new handbook to be published in 1985. It justifies the very low unavailability of 1,5. 10^-5 specified for the telecommunication power plartstations (Chapter 2). - It describes the organization adopted for a photovoltaic system (PVS) to meet the availability requirement, and the operating principles of its components: photovoltaic modules, storage batteries, control units. It also gives a brief description of a hybrid PVS-FOG (fuel-operated generator) (Chapter 3) - The quality assurance specifications are emphasized (Chapter 4), as well as installation requirements (Chapter 5) and maintenance (Chapter 6). - Prices are analysed for mean or permanent powers between 50 W and 1000 W on a turnkey basis (Chapter 7). - To sum up, emphasis is put on the improvement brought by PVS\´s in telecommunication networks design, and on the close relation between rusticity and reliability.