Case study of photovoltaic power plants in a model of sustainable university in Brazil

Silva, João Lucas de Souza; Melo, Karen Barbosa de; Santos, Kaio Vieira dos; Sakô, Elson Yoiti; Silva, Michelle Kitayama da; Moreira, Hugo Soeiro; Archilli, Giulianno Bolognesi; Cypriano, João Guilherme Ito; Campos, Rafael; Silva, Luiz Carlos Pereira da; Villalva, Marcelo Gradella

doi:10.1016/j.renene.2022.06.103

Cited by 21 publications

(8 citation statements)

References 17 publications

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“…The following supporting information can be downloaded at: https: //www.mdpi.com/article/10.3390/su141912538/s1, Figure S1: Thermal concept of the LEB with ventilation system for seminar room (1), radiant ceiling panels for heating and cooling (2), heat storage inside building (3), outside cold storage (4), air heat pump (5), brine heat pump (6) and geothermal probes (7); Figure S2: Exterior view with cold storage (1) and air heat pump (2); Figure S3: Seminar room with radiant ceiling panels for heating and cooling (1) and ventilation system (2); Figure S4: LEB showroom with heating and cooling distribution (1), circuit cabinet (2), brine heat pump (3) and heat storage (4).…”

Section: Discussionmentioning

confidence: 99%

“…Sustainability on the campus itself is proposed as one of the four key managerial strategies (besides education, research and Outreach and Partnership) to become a sustainable university [2]. There are several campus projects with a focus on energy use and green buildings [1,[3][4][5][6], Table 1. To highlight just a few, White et al operated a Research House on the University Park campus at the University of Nottingham [6].…”

Section: Introductionmentioning

confidence: 99%

“…They found that a combined system with an air source heat pump and a solar thermal collector and an immersion heater as a back-up is a suitable installation for providing hot water and space heating for a home in the UK climate [6]. In another case study, photovoltaic power plants were integrated and monitored on a university campus in Brazil [5].…”

Section: Introductionmentioning

confidence: 99%

“…Generally, there is a growing expectation that universities contribute to sustainability [9]. The higher educational sector is considered to play a critical role in the promotion of sustainable development [10] and in the search for a sustainable environment [5]. Several universities have sustainability centers or institutes [9].…”

Section: Introductionmentioning

confidence: 99%

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Simultaneity in Renewable Building Energy Supply—A Case Study on a Lecturing and Exhibition Building on a University Campus Located in the Cfb Climate Zone

Gehlert

Wiegand²,

Lymar³

et al. 2022

Sustainability

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A major issue in the renewable energy supply of buildings is to establish a simultaneity of the fluctuating renewable energy generation and the energy consumption in buildings. This work provides a new case for a better understanding of how to establish this simultaneity. Future solutions are being explored in practice on the campus of the FH Westküste University of Applied Sciences in the Lecturing and Exhibition Building (LEB). The motivation was to design and operate a case building for research in energy science for teaching the bachelor’s program Green Building Systems as well as for demonstration purposes for the general public. With a floor space of 207 m, the LEB is supplied with renewable energy from the adjacent energy park consisting of a 10 kW wind turbine and photovoltaic modules with 10 kWp. The heat and cold generation system consists of two reversible heat pumps: one is an air–water heat pump with approx. 7 kW heating and 6 kW cooling power, and the second is a brine–water heat pump with approx. 8 kW heating power and a depth of the two boreholes of 80 m. To match the energy generation and the energy consumption, different kinds of storage units, i.e., batteries with 3 × 8 kWh and storage tanks with 1000 L heat storage and 600 L cold storage, were installed as well as a smart automation system with a database. This paper evaluates measurement data from 2021. It is demonstrated that a fully renewable energy supply of the building is possible for most of the time from spring to autumn. In winter, an additional long-term energy storage, e.g., hydrogen, is necessary for certain days.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Simultaneity in Renewable Building Energy Supply—A Case Study on a Lecturing and Exhibition Building on a University Campus Located in the Cfb Climate Zone

Gehlert

Wiegand²,

Lymar³

et al. 2022

Sustainability

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show abstract

“…Understanding grid codes is essential given the rising usage of renewable energy sources, especially wind and solar energy [12]- [14]. The ability to overcome flaws is a crucial feature to take into account.…”

Section: Introductionmentioning

confidence: 99%

Grid impact analysis on wind power plant interconnection in strengthening electricity systems

Senen,

Kurniawan,

Dini

et al. 2024

IJEECS

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The Timor system is one of the large systems in the East Nusa Tenggara region. Based on the general plan for electricity supply for 2021-2030, there is a plan to interconnect a 2x11 MW wind power plant. The addition of wind power plants will pose a considerable threat to the system due to the intermittency nature of renewable energy plants. Therefore, a comprehensive grid impact study is needed to convince network managers that adding wind farms will not cause disruptions to the system either locally or in general and is expected to strengthen the electricity system. The power flow simulation results, installing a 2x11 MW wind farm on the Timor system can improve voltage quality and reduce losses on both 70 and 150 kV systems. For transient stability, the frequency value on the Timor system still meets the grid code requirements. In addition, the simulation results of the intermittency impact of the wind power plant output show that the Timor system is still in a stable condition. The stability of the rotor angle of the existing power plant when the transient stability simulation is carried out shows that it is still in a balanced condition.

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Classification of anomalies in photovoltaic systems using supervised machine learning techniques and real data

de Souza Silva,

Mahmoudi,

Carvalho

et al. 2024

Energy Reports

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Case study of photovoltaic power plants in a model of sustainable university in Brazil

Cited by 21 publications

References 17 publications

Simultaneity in Renewable Building Energy Supply—A Case Study on a Lecturing and Exhibition Building on a University Campus Located in the Cfb Climate Zone

Simultaneity in Renewable Building Energy Supply—A Case Study on a Lecturing and Exhibition Building on a University Campus Located in the Cfb Climate Zone

Grid impact analysis on wind power plant interconnection in strengthening electricity systems

Classification of anomalies in photovoltaic systems using supervised machine learning techniques and real data

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