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Distributed Generation Power Systems in Wastewater Management

Author

Listed:
  • Matouš Vrzala

    (Department of Electrical Power Engineering, Faculty of Electrical Engineering and Computer Science, VSB-Technical University of Ostrava, 708 00 Ostrava, Czech Republic)

  • Miroslava Goňo

    (Department of Electrical Power Engineering, Faculty of Electrical Engineering and Computer Science, VSB-Technical University of Ostrava, 708 00 Ostrava, Czech Republic)

  • Radomír Goňo

    (Department of Electrical Power Engineering, Faculty of Electrical Engineering and Computer Science, VSB-Technical University of Ostrava, 708 00 Ostrava, Czech Republic)

  • Michal Kotulla

    (Department of Electrical Power Engineering, Faculty of Electrical Engineering and Computer Science, VSB-Technical University of Ostrava, 708 00 Ostrava, Czech Republic)

  • Małgorzata Wzorek

    (Department of Process and Environmental Engineering, Faculty of Mechanical Engineering, Opole University of Technology, 45-271 Opole, Poland)

  • Zbigniew Leonowicz

    (Department of Electrical Engineering Fundamentals, Faculty of Electrical Engineering, Wroclaw University of Science and Technology, 50-370 Wrocław, Poland)

Abstract

The article concerns the energy security of a wastewater treatment process caused by unforeseen situations related to the risk of electrical power outages. In this case, renewable energy sources based on distributed generation power systems can solve this problem in each wastewater treatment plant. The article highlights e related challenges and proposes the direction of solutions in this regard based on Czech conditions. The first part of the paper deals with the consequences of long-term outage of wastewater treatment plants on the population and the environment. There are several solutions presented for blackout conditions, and model calculations are made based on data from a Czech wastewater treatment plant. Diesel engine-generators, biogas as a cogeneration source of heat and electricity, solar panels with storage systems and combined biogas and solar systems were considered as approaches to provide energy autonomy during a blackout in a wastewater treatment plant. Special attention was paid to a combination of CHP units with solar panels and batteries. The results were evaluated for three different locations for this combination. It was concluded that biogas combustion in the CHP unit was the most profitable option, allowing the production of electricity independently of the grid for its own consumption and possibly for other operations. The last part of the paper deals with the transition to island operation, which must occur during a blackout. This transition is more difficult for both solar panels and cogeneration units if they were to supply electricity to the grid before a blackout. The transition to energy island operation could be ensured by frequency relay and processor devices to control the circuit breaker. Then, to maintain island operation, it would be necessary to have an automatic load shedding/application system.

Suggested Citation

  • Matouš Vrzala & Miroslava Goňo & Radomír Goňo & Michal Kotulla & Małgorzata Wzorek & Zbigniew Leonowicz, 2022. "Distributed Generation Power Systems in Wastewater Management," Energies, MDPI, vol. 15(17), pages 1-18, August.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:17:p:6283-:d:900214
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    References listed on IDEAS

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    1. ., 2020. "China–Trans-Pacific Ocean Passage: Latin America and the Caribbean," Chapters, in: China’s Global Vision and Actions, chapter 8, pages 139-151, Edward Elgar Publishing.
    2. Yang, Jin & Chen, Bin, 2016. "Energy–water nexus of wind power generation systems," Applied Energy, Elsevier, vol. 169(C), pages 1-13.
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    Cited by:

    1. Zhetai Hu & Lanqing Li & Xiaotong Cen & Min Zheng & Shihu Hu & Xiuheng Wang & Yarong Song & Kangning Xu & Zhiguo Yuan, 2023. "Integrated urban water management by coupling iron salt production and application with biogas upgrading," Nature Communications, Nature, vol. 14(1), pages 1-12, December.

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