General Information
    • ISSN: 1793-821X (Print)
    • Abbreviated Title: J. Clean Energy Technol.
    • Frequency: Quarterly
    • DOI: 10.18178/JOCET
    • Editor-in-Chief: Prof. Haider F. Abdul Amir
    • Executive Editor: Ms. Jennifer Zeng
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Editor-in-chief
Universiti Malaysia Sabah, Malaysia.
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JOCET 2013 Vol.1(1): 22-26 ISSN: 1793-821X
DOI: 10.7763/JOCET.2013.V1.6

Analysis of Shiraz Solar Thermal Power Plant Response Time

K. Azizian, M. Yaghoubi, I. Niknia, and P. Kanan

Abstract—Shiraz pilot solar thermal power plant is the first Iranian solar power plant constructed near the city of Shiraz, Iran. The main purpose of constructing this pilot plant was to acquire the technology of developing parabolic trough solar thermal power plants for future energy production from solar energy. This plant consists of 48 parabolic trough collectors; each one has 25m long and 3.4 m wide. The plant consists of two cycles, oil heat absorbing cycle and steam production cycle. The plant performance and transition period to reach steady state condition or damping some disturbances as well as oil cycle heating and steam generation rate depends on several factors such as oil cycle response time. Response time is a parameter that can be used for efficient control of solar power plant. To study response time, field experimental measurements have been made during the years 2009 to 2010 based on the standard procedure and plant simulation. The experiments include: plant start up, evaluation of oil temperature increase in the field of collectors, solar radiation measurements, temperature and pressure changes in the heat exchangers, weather temperature changes and wind speed and the effect of above changes on the system response time are determined. Two modeling methods (based on the recommended standards) of finding response time are employed. Results show that response time of the oil cycle varies from 150 seconds to 400 seconds by measurements, while by modeling simulation it is about 400-500 seconds. Response time is strongly depends on the environmental conditions such as oil temperture, wind and ambient temperature and specially the oil mass flow rate.

Index Terms—Oil cycle, parabolic trough, response time, shiraz solar thermal power plant.

K. Azizian, M. Yaghoybi and I. Niknia are with Mechanical Engineering Department, Shiraz University, Shiraz, Iran (e-mail: kian_azizian@ yahoo.com, yaghoubi@shirazu.ac.ir, imanniknia@gmail.com).
P. Kanan is with Iranian Renewable Energy Organization (SUNA), Tehran, Iran (e-mail: Peyman.kanan@gmail.com).

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Cite: K. Azizian, M. Yaghoubi, I. Niknia, and P. Kanan, "Analysis of Shiraz Solar Thermal Power Plant Response Time," Journal of Clean Energy Technologies vol. 1, no. 1, pp. 22-26, 2013.

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