Optimal Energy Management System for PV/Wind/Diesel-Battery Power Systems for Rural Health Clinic

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Ani Vincent Anayochukwu
Ani Vincent Anayochukwu
α University of Nigeria University of Nigeria

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Optimal Energy Management System for PV/Wind/Diesel-Battery Power Systems for Rural Health Clinic

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Abstract

Good operation of a hybrid system can be achieved only by a suitable control of the interaction in the operation of the different devices. This paper presented a supervisory control system that monitors the operations of PV/Wind-Diesel hybrid power generation system with energy storage. The controller was developed in such a way that it coordinates when power should be generated by renewable energy (PV panels and Wind turbine) and when it should be generated by diesel generator and is intended to maximize the use of renewable system while limiting the use of diesel generator. Diesel generator is allocated only when the demand cannot be met by the renewable energy sources including battery bank. The structural analysis of the supervisory control is described in details through data flow diagrams. The developed control system was used to study the operations of the hybrid PV/Wind-Diesel power system for the three hypothetical off-grid remote health clinics at various geographical locations in Nigeria. It was observed that the hybrid controller allocates the sources optimally according to the demand and availability. From the control simulation, we were able to see the performance of the system over the course of the year to see which mode(s) the system spends most time in, the power supplied by each of the energy sources over the year, and the power required by the load over the year. This is a very useful manner to check how the system is being supplied and which source of energy is the most proficient in supplying the load.

References

5 Cites in Article
  1. Ani Vincent,Anayochukwu Emetu,Alice Nnene (2013). Simulation and Optimization of Photovoltaic/Diesel Hybrid Power Generation System for Health Service Facilities in Rural Environments.
  2. Pedro Rosas,Caarem Studzinski,Vicente Simoni,Francisco Neves,Alécio Fernandes,H Luiz,Fabricio Medeiros,Gustavo Bradaschia,Felipe Azevedo,Jimens Guimaraes,André Lima,Lucas Victor,Jose Cabral,Carlos Arimateia,Soares (2013). Developing a Supervisory Controller for Hybrid Power System: Fernando de Noronha Island Case.
  3. G Seeling-Hochmuth (1997). A combined optimisation concet for the design and operation strategy of hybrid-PV energy systems.
  4. Vincent Ani,Anayochukwu,Alice Emetu,Nnene (2013). Simulation and optimization of hybrid diesel power generation system for GSM base station site in Nigeria.
  5. Vincent Ani,Anayochukwu (2018). Techo-Economic Analysis of Off-grid Renewable Energy Systems for Rural Electrification in North-eastern Nigeria.

Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

Data Availability

Not applicable for this article.

How to Cite This Article

Ani Vincent Anayochukwu. 2014. \u201cOptimal Energy Management System for PV/Wind/Diesel-Battery Power Systems for Rural Health Clinic\u201d. Global Journal of Research in Engineering - J: General Engineering GJRE-J Volume 14 (GJRE Volume 14 Issue J1): .

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Journal Specifications

Crossref Journal DOI 10.17406/gjre

Print ISSN 0975-5861

e-ISSN 2249-4596

Version of record

v1.2

Issue date

April 22, 2014

Language
en
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Published Article

Good operation of a hybrid system can be achieved only by a suitable control of the interaction in the operation of the different devices. This paper presented a supervisory control system that monitors the operations of PV/Wind-Diesel hybrid power generation system with energy storage. The controller was developed in such a way that it coordinates when power should be generated by renewable energy (PV panels and Wind turbine) and when it should be generated by diesel generator and is intended to maximize the use of renewable system while limiting the use of diesel generator. Diesel generator is allocated only when the demand cannot be met by the renewable energy sources including battery bank. The structural analysis of the supervisory control is described in details through data flow diagrams. The developed control system was used to study the operations of the hybrid PV/Wind-Diesel power system for the three hypothetical off-grid remote health clinics at various geographical locations in Nigeria. It was observed that the hybrid controller allocates the sources optimally according to the demand and availability. From the control simulation, we were able to see the performance of the system over the course of the year to see which mode(s) the system spends most time in, the power supplied by each of the energy sources over the year, and the power required by the load over the year. This is a very useful manner to check how the system is being supplied and which source of energy is the most proficient in supplying the load.

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Optimal Energy Management System for PV/Wind/Diesel-Battery Power Systems for Rural Health Clinic

Ani Vincent Anayochukwu
Ani Vincent Anayochukwu University of Nigeria

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