Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Jan-Harm C. Pretorius"'
Publikováno v:
CivilEng, Vol 5, Iss 1, Pp 89-118 (2024)
Interface risks are inherent in every construction project from start to finish. Identifying and managing these risks effectively in every project phase is crucial for actualising project objectives. This paper shows a comprehensive framework showing
Externí odkaz:
https://doaj.org/article/07b3fcbb06ed451aaacd89ba4ba4c256
Publikováno v:
Energy Reports, Vol 8, Iss , Pp 1424-1433 (2022)
The main aim of this paper is to study the duration of forced outages for Eskom subtransmission circuit breakers for events recorded over a period of 10 years. Several statistical methods are utilised in the study of the data set. For various variabl
Externí odkaz:
https://doaj.org/article/dfbf97ac4f574405abf5598e32d0fb89
Publikováno v:
Energy Reports, Vol 6, Iss , Pp 474-482 (2020)
In this paper, the authors present a novel approach to the study of the frequency of forced outages in various operating units, or regions of Eskom, using statistical techniques. The forced outage data are summarized in frequencies and rates of force
Externí odkaz:
https://doaj.org/article/692586ed7057403e9b4c41e68ccac9e5
Publikováno v:
Energy Reports, Vol 6, Iss , Pp 298-306 (2020)
The aim of this paper is to present a comprehensive literature review on the application of decomposition methods of time series forecasting in power systems. A comprehensive search is conducted, relevant publications are identified and summarised in
Externí odkaz:
https://doaj.org/article/58a60fcae0b74a3c983f3ae1d19534b9
Publikováno v:
Energy Reports, Vol 6, Iss , Pp 321-329 (2020)
The main aim of this paper is to analyse the duration of forced outages of Eskom subtransmission transformers. Statistical techniques are used to analyse events recorded from 2007–2016. For various event variables, boxplots were plotted for various
Externí odkaz:
https://doaj.org/article/df3da1eba83d48129898998a8e535cb2
Publikováno v:
Energy Reports, Vol 8, Iss , Pp 801-810 (2022)
Nowadays, the applications of machine learning techniques have widely been implemented in various domains of the power system and especially to predict three-phase transmission line faults. This paper compares the results obtained from two powerful m
Externí odkaz:
https://doaj.org/article/fe4ace8d9ad549a4bb2529d9eeaecb22
Publikováno v:
Energy Reports. 8:235-244
Publikováno v:
Energies, Vol 14, Iss 6, p 1666 (2021)
Fundamental mathematical principles were applied to calculate the return on investment (ROI) of a multiple inclination, rooftop-mounted, photovoltaic (PV) system that is connected to a structured tariff network. Recent history has seen a disproportio
Externí odkaz:
https://doaj.org/article/b4a0722bdf6c4a458d5a66326eecbdb0
Publikováno v:
Engineering Management in Production and Services. 14:93-102
Many research efforts have identified funding as a critical factor responsible for the delays in the execution of construction projects. These funding challenges affect the client and contractors alike. However, there is limited information on why de
Publikováno v:
Engineering Management in Production and Services. 13:39-56
The National Department of Public Works and Infrastructure (NDPWI), an agency for infrastructure development in South Africa, provides accommodation and other infrastructure to various public service departments. Each department communicates its infr