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ZHANG Zhiwen,FAN Wei,LIU Jun,ZHOU Tao,SHI Jianke.Optimal Capacity Configuration of Wind-solar-water-battery Complementary Power Generation System in Remote Mountainous Areas[J].JOURNAL OF POWER SUPPLY,2018,16(5):138-146
Optimal Capacity Configuration of Wind-solar-water-battery Complementary Power Generation System in Remote Mountainous Areas
Received:October 05, 2016  Revised:March 11, 2018
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DOI:10.13234/j.issn.2095-2805.2018.5.138
Keywords:wind-solar-water-battery  complementary power generation system  simulation software HOMER  optimal capacity configuration  economic efficiency
Fund Project:National Natural Science Foundation of China(51477046); Project of science and technology of strategic emerging industry in Hunan Province(2014GK1037); Major science and technology projects of the State Power Grid Corp(5216A014007V)
              
AuthorInstitutionEmail
ZHANG Zhiwen National Electric Power Conversion and Control Engineering Technology Research CenterHunan University, Changsha , China
FAN Wei National Electric Power Conversion and Control Engineering Technology Research CenterHunan University, Changsha , China fanweifw163@163.com
LIU Jun National Electric Power Conversion and Control Engineering Technology Research CenterHunan University, Changsha , China
ZHOU Tao National Electric Power Conversion and Control Engineering Technology Research CenterHunan University, Changsha , China
SHI Jianke National Electric Power Conversion and Control Engineering Technology Research CenterHunan University, Changsha , China
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Abstract:
      A large number of small hydropower stations in Guizhou Province can only generate electricity in the flood season, so they cannot be economically or efficiently operated throughout the whole year. Aiming at this problem, with the combination of abundant resources of solar and wind energies in this province, wind and photovoltaic(PV) power generations are added on the basis of the existing small hydropower stations; in addition, battery storage parts are configured, thus a wind-solar-water-battery complementary power generation system is built. Based on a simulation software HOMER, the optimal capacity configuration scheme for the power generation system in off- and on-grid modes are studied, and the cost and economic efficiency of the combined generation system are explored. Research results show that the development of the off-grid wind-solar-water-battery complementary power generation system has a high inves-tment cost and a long payback period; however, if we try to meet the demand for electricity in remote mountainous areas, this complementary system is still necessary and feasible; because of no need of batteries, the investment cost of the on-grid complementary power generation system based on small hydropower stations is greatly reduced, so the corresponding economic efficiency of its development is relatively higher.
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