Techno-economic analysis of a wind-solar hybrid renewable energy system with rainwater collection feature for urban high-rise application

W. T. Chong, M. S. Naghavi, S. C. Poh, T.m. Indra Mahlia, K. C. Pan

Research output: Contribution to journalArticle

131 Citations (Scopus)

Abstract

The technical and economic feasibility study of an innovative wind-solar hybrid renewable energy generation system with rainwater collection feature for electrical energy generation is presented in this paper. The power generated would supply part of the energy requirements of the high-rise building where the system is installed. The system integrates and optimizes several green technologies; including urban wind turbine, solar cell module and rain water collector. The design was conceptualized based on the experiences acquired during the development and testing of a suitable wind turbine for Malaysian applications. It is compact and can be built on top of high-rise buildings in order to provide on-site renewable power to the building. It overcomes the inferior aspect on the low wind speed by channeling and increasing the speed of the high altitude free-stream wind through the power-augmentation-guide-vane (PAGV) before it enters the wind turbine at the center portion. The shape or appearance of the PAGV that surrounds the wind turbine can be blended into the building architecture without negative visual impact (becomes part of the building). The design improves the starting behavior of wind turbines. It is also safer to people around and reduces noise pollution. The techno-economic analysis is carried out by applying the life cycle cost (LCC) method. The LCC method takes into consideration the complete range of costs and makes cash flows time-equivalent. The evaluations show that for a system with the PAGV (30. m diameter and 14. m high) and an H-rotor vertical axis wind turbine (17. m diameter and 9. m high) mounted on the top of a 220. m high building, the estimated annual energy savings is 195.2. MW. h/year.

Original languageEnglish
Pages (from-to)4067-4077
Number of pages11
JournalApplied Energy
Volume88
Issue number11
DOIs
Publication statusPublished - 01 Jan 2011

Fingerprint

Solar wind
wind turbine
Economic analysis
economic analysis
rainwater
Wind turbines
solar wind
energy
Life cycle
life cycle
cost
Noise pollution
Environmental technology
Costs
noise pollution
feasibility study
Rain
Solar cells
Energy conservation
Rotors

All Science Journal Classification (ASJC) codes

  • Building and Construction
  • Energy(all)
  • Mechanical Engineering
  • Management, Monitoring, Policy and Law

Cite this

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Techno-economic analysis of a wind-solar hybrid renewable energy system with rainwater collection feature for urban high-rise application. / Chong, W. T.; Naghavi, M. S.; Poh, S. C.; Mahlia, T.m. Indra; Pan, K. C.

In: Applied Energy, Vol. 88, No. 11, 01.01.2011, p. 4067-4077.

Research output: Contribution to journalArticle

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