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Use of a reluctance stepper motor for solar tracking based on a programmable logic array (PLA) controller

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  • Abouzeid, M.

Abstract

The tracking of solar cell panels in solar-generation systems has improved their overall efficiency to a great extent. The methods used previously were either active or passive. In order to ensure a relatively small position resolution for the panel axis, the DC motors ordinarily used for active solar tracking need a complicated gear system. In this work, a 8/6 four-phase, reluctance stepper motor (RSM) controlled by a programmable logic array (PLA) is used. The angular position resolution for the RSM is 7.5°. This resolution is guaranteed due to locking of the RSM at each step through a power converter fed from a 220 V DC supply. The control circuit for the power converter consists of an Erasable Electronic Programmable Read Only Memory (EEPROM) and a PLA chip. The control circuit is fed from two separate sensing cells which determine the movement to the next angular position. The application of this tracker is essential for stand-alone systems in remote areas. Its use may result in improving the solar energy generation by a considerable factor. The control system is a completely closed loop system without any human interference.

Suggested Citation

  • Abouzeid, M., 2001. "Use of a reluctance stepper motor for solar tracking based on a programmable logic array (PLA) controller," Renewable Energy, Elsevier, vol. 23(3), pages 551-560.
    • Handle: RePEc:eee:renene:v:23:y:2001:i:3:p:551-560
    DOI: 10.1016/S0960-1481(00)00133-6
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    Cited by:

    1. Mirzaei, Mohsen & Mohiabadi, Mostafa Zamani, 2018. "Comparative analysis of energy yield of different tracking modes of PV systems in semiarid climate conditions: The case of Iran," Renewable Energy, Elsevier, vol. 119(C), pages 400-409.
    2. Hafez, A.Z. & Yousef, A.M. & Harag, N.M., 2018. "Solar tracking systems: Technologies and trackers drive types – A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 91(C), pages 754-782.
    3. Nsengiyumva, Walter & Chen, Shi Guo & Hu, Lihua & Chen, Xueyong, 2018. "Recent advancements and challenges in Solar Tracking Systems (STS): A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 81(P1), pages 250-279.
    4. Mousazadeh, Hossein & Keyhani, Alireza & Javadi, Arzhang & Mobli, Hossein & Abrinia, Karen & Sharifi, Ahmad, 2009. "A review of principle and sun-tracking methods for maximizing solar systems output," Renewable and Sustainable Energy Reviews, Elsevier, vol. 13(8), pages 1800-1818, October.
    5. Yao, Yingxue & Hu, Yeguang & Gao, Shengdong & Yang, Gang & Du, Jinguang, 2014. "A multipurpose dual-axis solar tracker with two tracking strategies," Renewable Energy, Elsevier, vol. 72(C), pages 88-98.

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