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Publikacje Pracowników Politechniki Lubelskiej
Status:
Warianty tytułu:
Aspects of electrical machines and photovoltaic generators cooperation
Autorzy: Niechaj Marek
Rok wydania: 2006
Wersja dokumentu: Drukowana | Elektroniczna
Język: polski
Numer czasopisma: 75
Strony: 217 - 222
Bazy: BazTech
Efekt badań statutowych NIE
Materiał konferencyjny: NIE
Publikacja OA: NIE
Abstrakty: angielski
The most important aspects, determining the operation possibilities of different kind electrical machines in photovoltaic (PV) driving systems, have been discussed in this article. In such a system a PV generator, directly converting sunlight energy into electrical energy, is the basic energy source for electrical machine. Technically, and presently often economically, reasonable examples of PV driving systems applications, such as driving of pumps, compressors, fans and feeders, have been presented below. The basic properties of PV generators, as low-voltage DC-current energy sources with significantly of fate changing parameters, have been short reminded. The basic features of different kind structures of PV driving systems (grid-connected, stand-alone with accumulators, stand-alone without electrical buffer energy sources) have been presented in brief. Detailed description and analysis of different kind electrical machines properties at an angle of possibilities of their operation in PV driving systems has been done. The instructions for selection of energoelectronical energy converters used between PV generators and electrical machines have been also presented. The application of these converters is necessary, because direct connection of the machine to PV generator is either impossible, or in practice not profitable. The article issues will be much more important in Poland in near future, because of permanent, intensive growth of PV market in the wide world (tens percents yearly) for the last several years. This fact should cause analogous state of affairs in Poland soon.