
The Applied Study of Solar-power Water Lifting System for Water Supply in Qinghai Pastoral Area
Kai-xian GUO, Liang LI, Shi-wen HOU, Wei HU, Wen-bing LIU
The Applied Study of Solar-power Water Lifting System for Water Supply in Qinghai Pastoral Area
Abstract: In order to clarify the effect of solar-power water lifting equipment in the application of water supply in Qinghai pastoral areas, this paper uses the solar water supply model to establish a pilot site for solar-power water supply in these areas. Based on the field test observation data, the equipment practical application of solar deep well water lifting, solar shallow well DC pump water lifting, and solar battery water lifting are analyzed. The results indicate that the daily water withdrawals of the battery-free water lifting equipment are the highest in July and August, and the lowest in December. The stable output characteristics also have battery equipment achieving the standard of three consecutive days without energy storage, and ensuring water supply needs. The guarantee rate of water supply for 3 types of equipment is 91.5%, 92.3% and 95.7% respectively, which can meet the annual water supply demand of water users in Qinghai pastoral areas. This paper can provide a theoretical basis for the promotion of clean energy water supply in Qinghai pastoral areas, which is of great significance to ensure safe water supply for pastoralists.
solar-power water lifting / Qinghai pastoral areas / water supply in pastoral areas / water supply guarantee rate {{custom_keyword}} /
Fig.1 Photovoltaic pump control system of general-purpose inverter图1 通用变频器的光伏水泵控制系统 |
Fig.4 Daily variation curve of solar radiation and flux in July图4 太阳辐射量、流量日变化曲线(7月) |
Fig.5 Daily variation curve of solar radiation and flux in August图5 太阳辐射量、流量日变化曲线(8月) |
Fig.8 Daily variation curve of solar radiation and flux in July图8 太阳辐射量、流量日变化曲线(7月) |
Fig.9 Daily variation curve of solar radiation and flux in August图9 太阳辐射量、流量日变化曲线(8月) |
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