scholarly journals Electrical power supply consumption in education sector and energy audit: Case study of University of Jos

2021 ◽  
Vol 40 (2) ◽  
pp. 321-328
Author(s):  
B.I. Gwaivangmin

Electricity supply has been identified as the key constraint to industrialization and economic development in Nigeria. The unbundling of the power sector was aimed at boosting electricity supply, this effort has yielded some appreciable results, but not very significant. As a result of the low power generation and distribution, Nigeria’s federal government is working towards solving the prevailing problems of inadequate power in some key sectors by building power generating plants in some of the institutions of learning in the country. This paper looks at the determinants of electrical energy consumption and electrical energy audit, a case study of the University of Jos. The load profiles demand survey, load demand forecast and other important factors were investigated. The result revealed that there is available power of 22–23 hours from the national grid and the balance 1–2 hours of power is supplied by the generating sets, good savings in the cost of diesel and maintenance. An annual excess of 2,199,900 kWH is enjoyed by the university over the national per capita power consumption.

2015 ◽  
Vol 14 (2) ◽  
pp. 69
Author(s):  
I. P. Krisna Darma Putra ◽  
I. A. Dwi Giriantari ◽  
I W. Arta Wijaya

Network design Micro Electrical Engineering  Department of the University of Udayana aims to harness solar power contained in the Department of Electrical Engineering are still stand alone system, namely, its use is still limited area of internet corner, has not been used as one of the suppliers of electrical power for the building - a building in the Department of Electrical Engineering. Based on simulation results show PLTS only able to serve load in an on-grid of 0.66% of the total production of electrical energy generated while the condition of the off-grid solar power can only serve load building DJs and building DH (load lighting and socket) at 3:21% and generator sets were installed in the Department of Electrical Engineering serve at 96.79%. Solar power capacity to be installed to meet the entire load of the building in the Department of Electrical Engineering is equal to the number of 211.814 Watt PV Module is needed as much as 26.267 pieces. This amount is influenced by the size of the capacity and efficiency of PV Module installed at this time.


SIGMA TEKNIKA ◽  
2019 ◽  
Vol 2 (2) ◽  
pp. 151
Author(s):  
Endang Susanti

Electricity is one of the most important needs of the community electricity shorttages are very disturbing human activities as well as the University of Riau Islands campus is very dependent on electricity supply from PLN, because this campus conducts tearning activities at night, the current energy is mustly fulfilled by fosil fuel energy such as petroleum, coal and natural gas but the supply of this energie is decreasing, PLN which as a supply of electricity is very dependent on fossil fuels so that PLN can at any time turn out blackouts on the campus of the University of Riau Islands very disturbed with the rilling blackout because the campus will be dark.there needs to be alternative energy at least illuminating as long as the electricity from PLN is on, this research and design is to build asolar electricity supply sistem to help temporary lighting in this design. PLTS is utilized as Alternative electrical energy to illuminatethe lobby of the Faculty of engineering Universitas Riau.Byusing50Wp solar cell panel,charge controller to maintain the stability of the sistem and 42 Ah batrtery, by using this sistem Dc lamps as a load of 54 Watt batrei capacitycan be lit during a blackout from the PLN. 


2021 ◽  
Vol 61 (2) ◽  
pp. 313-323
Author(s):  
Anges A. Aminou Moussavou ◽  
Atanda K. Raji ◽  
Marco Adonis

Several strategies have been developed to enhance the performance of a solar photovoltaicthermal (PV/T) system in buildings. However, these systems are limited by the cost, complex structure and power consumed by the pump. This paper proposes an optimisation method conversion strategy that modulates the ratio of thermal to electrical energy from the photovoltaic (PV) cell, to increase the PV/T system’s performance. The design and modelling of a PV cell was developed in MATLAB/Simulink to validate the heat transfer occurring in the PV cell model, which converts the radiation (solar) into heat and electricity. A linear regression equation curve was used to define the ratio of thermal to electrical energy technique, and the behavioural patterns of various types of power (thermal and electrical) as a function of extrinsic cell resistance (Rse). The simulation results show an effective balance of the thermal and electrical power when adjusting the Rse. The strategy to modulate the ratio of thermal to electrical energy from the PV cell may optimise the PV/T system’s performance. A change of Rse might be an effective method of controlling the amount of thermal and electrical energy from the PV cell to support the PV/T system temporally, based on the energy need. The optimisation technique of the PV/T system using the PV cell is particularly useful for households since they require electricity, heating, and cooling. Applying this technique demonstrates the ability of the PV/T system to balance the energy ( thermal and electrical) produced based on the weather conditions and the user’s energy demands.


Author(s):  
Peter Rez

It is very difficult to store electrical energy in sufficient quantities, and transmission over long distances results in unacceptable losses. Generation of electrical power therefore has to match demand. The peaks in electrical demand usually come from domestic rather than industrial consumers. Generating systems that are best left running continuously, such as nuclear, are used to meet the base load, which is the demand that does not change with time of day or season. Generally, anything involving a steam cycle is better suited to meeting base load demand. Gas turbines that can respond quickly are used to meet demand peaks.


2018 ◽  
Vol 171 ◽  
pp. 01001 ◽  
Author(s):  
M. Nassereddine ◽  
J. Rizk ◽  
A. Hellany ◽  
M. Nagrial ◽  
A. Elrafhi ◽  
...  

Nowadays, a strong link exists between human comfort and electrical power. Abundant doings are not possible without the support of the electrical energy. Driven by the human obligation to save the environment, the installation of PV solar system increased dramatically in the past numerous years. The installation can be grid connected or standalone system. These micro-grid situations are installed world-wide and currently are contributing to the local electrical network. To maximize the use of the generated solar system, numerous system installed energy storage in the form of batteries. These energy storages harvest the sun power during daylight to support the household electrical demand after sunset. This paper linked the house roof design to the PV solar system for maximum generation condition. Furthermore the paper contains important information on the optimum location for the solar panel to ensure continuous and reliable system is achieved. An actual real case study is presented.


Author(s):  
G. Joga Rao ◽  
K. Pavan Srihari

The economic development of a country is often closely linked to its consumption of energy. The government has taken new steps for the development of renewable energy sources and less consideration in conservation of electrical energy in the society. According to the current scenario the demand of energy has increased and became a routine process in our lifestyle. Why electrical auditing and management is essential? Energy audit is the survey of wastage power in different areas like domestic houses, commercial buildings and industries etc. For getting solution to save electrical energy, energy auditing is best way. So we found in India the demand of electrical power rises at the rate of 9-10 % per annum while the generation of electrical power rises at the rate of 5-6 % per annum, ultimately the gap between demand and generation of electrical power is widening at the rate of 3-4 % per annum. Electrical energy auditing and management program can have an originating within one division of saving, motivating people in all forms to undergo conservation activities. In this project we had done the Energy audit in residential house.


Author(s):  
Victor Chang

This chapter presents Business Integration as a Service (BIaaS) to allow two services to work together in the Cloud to achieve a streamline process. The authors illustrate this integration using two services, Return on Investment (ROI) Measurement as a Service (RMaaS) and Risk Analysis as a Service (RAaaS), in the case study at the University of Southampton. The case study demonstrates the cost-savings and the risk analysis achieved, so two services can work as a single service. Advanced techniques are used to demonstrate statistical services and 3D Visualisation services under the remit of RMaaS and Monte Carlo Simulation as a Service behind the design of RAaaS. Computational results are presented with their implications discussed. Different types of risks associated with Cloud adoption can be calculated easily, rapidly, and accurately with the use of BIaaS. This case study confirms the benefits of BIaaS adoption, including cost reduction and improvements in efficiency and risk analysis. Implementation of BIaaS in other organisations is also discussed. Important data arising from the integration of RMaaS and RAaaS are useful for management and stakeholders of University of Southampton.


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