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The economics of photovoltaic (PV) drip irrigation systems: A case study for India.

机译：光伏（PV）滴灌系统的经济性：以印度为例。

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摘要

Agriculture accounts for 50% of India's gross national product and irrigated agriculture for two thirds of the nation's crop output. The energization of agricultural pumpsets is one of the main goals of India's rural electrification program but the economics of these long power line extensions for small power loads are often unfavourable. Other options for satisfying India's need for remote irrigation water supply systems include the use of photovoltaic (PV) pumps. In this study an attempt was made to determine suitable applications for PV pumping systems in the irrigation sector. Drip irrigation was considered the most appropriate method of irrigation for use with a PV pump. Grapes were considered a suitable crop due high water savings under drip irrigation, the perennial nature of the crop, and high economic returns.;Insolation, evapotranspiration, and effective precipitation were determined for a number of stations across India. This information was used to calculate irrigation water requirements for grapes and size a suitable PV pumpset. The cost of irrigating with a PV pump was compared to costs for other remote water pumping options and the net present worth of all costs and benefits for grape cultivation were calculated from both an economic and financial perspective. PV pumping systems did not prove to be the least cost option for irrigation due to the exceptionally low cost of diesel pumpsets in India. In spite of this, the net present worth of grape cultivation with a PV drip irrigation system was found tc be positive as was the incremental benefit of PV drip irrigation over surface irrigation with a diesel pump.
机译：农业占印度国民生产总值的50％，灌溉农业占该国农作物产量的三分之二。农业泵组的通电是印度农村电气化计划的主要目标之一，但这些长输电线的扩展对小功率负载的经济性通常是不利的。满足印度对远程灌溉供水系统需求的其他选择包括使用光伏（PV）泵。在这项研究中，试图确定灌溉领域的光伏泵系统的合适应用。滴灌被认为是最适合与PV泵一起使用的灌溉方法。葡萄被认为是合适的农作物，因为在滴灌条件下节水量高，该作物的多年生特性和高经济效益。在印度的许多站点确定了日晒，蒸散和有效降水。该信息用于计算葡萄的灌溉水需求，并确定合适的PV泵组的大小。将使用PV泵的灌溉成本与其他远程抽水选项的成本进行了比较，并从经济和财务角度计算了葡萄种植的所有成本和收益的净现值。由于印度的柴油泵组价格异常低廉，因此光伏泵系统并未被证明是灌溉成本最低的选择。尽管如此，发现使用PV滴灌系统的葡萄栽培的净现值是正的，与使用柴油泵的PV滴灌相比，PV滴灌的增量收益也是如此。

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  • 作者

    Philip, Kimberley A.;

  • 作者单位

    University of Ottawa (Canada).;

  • 授予单位 University of Ottawa (Canada).;
  • 学科 Engineering Agricultural.
  • 学位 M.Eng.
  • 年度 1996
  • 页码 408 p.
  • 总页数 408
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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