Research and practice of designing hydro/photovoltaic hybrid power system in microgrid

Small-hydro power station is often used in remote area beside a river, but it doesn't match electricity demand so well, especially in dry season. A photovoltaic (PV) system with battery is a suitable option to complement the electricity gap. In this paper, a new structure of MW-class PV system...

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Bibliographic Details
Published in2013 IEEE 39th Photovoltaic Specialists Conference (PVSC) pp. 1509 - 1514
Main Authors Wang Yibo, Xu Honghua
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.06.2013
Subjects
Batteries
Frequency control
Frequency synchronization
Hybrid power systems
hydro/PV hybrid power system
Inverters
isolated microgrid
photovoltaic system with battery
Power generation
Time-frequency analysis
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Summary:Small-hydro power station is often used in remote area beside a river, but it doesn't match electricity demand so well, especially in dry season. A photovoltaic (PV) system with battery is a suitable option to complement the electricity gap. In this paper, a new structure of MW-class PV system integrating battery at DC-bus is proposed to be used in hydro/PV hybrid power system, and 4 main designing considerations and several key equipments are discussed. In 2011, a 2MWp PV station with the proposed structure was built up in Yushu, China. From stability analysis, the station shows a strong stability under load cut-in/off and solar irradiance's fluctuation.
ISSN:0160-8371
DOI:10.1109/PVSC.2013.6744432