A Mathematical Model for Minimizing Add-On Operational Cost in Electrical Power Systems Using Design of Experiments Approach

Al-Omari, Zakaria; Hamzeh, Ali; Hamed, Sadeq A.; Sandouk, Abbas; Aldahim, Ghada

doi:10.11591/ijece.v5i5.pp948-956

Cited by 8 publications

(5 citation statements)

References 14 publications

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“…This function solution can be obtained with the help of statistical packages such as SPSS, S-Plus, STATISTICA, SAS and R-programming through the nonlinear estimation methods. The non-linear estimation model has been widely used in various field of studies include in study of population growth [1], predictive control [15,16], pattern recognition [17] etc. In this study, the parameter was estimated by the Rprogramming software.…”

Section: Methodsmentioning

confidence: 99%

Tracing Mathematical Function of Age Specific Fertility Rate in Peninsular Malaysia

Mathivanan

Ghani

2018

IJEECS

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<p>The size, structure, and composition of a population are affected by the fertility rates at any point of time. Many researchers took the opportunity to exploit the fertility rates in obtaining better fertility patterns for their country. The curve for the age specific fertility rate is consistent, and this feature allows the curve to be matched with a mathematical model. This paper aimed to identify the best mathematical model that fits the recent age specific fertility rate in Peninsular Malaysia. This study fitted the fertility data of Peninsular Malaysia from 1996 to 2014 to the four mathematical models, which were Hadwiger, Gamma, Beta, and Gompertz models. From the comparisons of the four models, it was found that the best fitted mathematical model is Hadwiger model. In relation to the data of early 21st century, there was an inclination for the best fitted mathematical model from Hadwiger model to Beta model. Hence, the best mathematical model for each year can be used to convert a fertility schedule classified in a five-year age group into a fertility schedule for a single-year of age in Peninsular Malaysia. This model also can be helpful for population projections by using limited and defective data. </p>

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Section: Methodsmentioning

confidence: 99%

Tracing Mathematical Function of Age Specific Fertility Rate in Peninsular Malaysia

Mathivanan

Ghani

2018

IJEECS

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“…Despite the climate benefits and sustainability of the RESs, PS control operators faced two primary constraints when combining the large-power RESs into the PS. The first one, the output power of RESs highly depends on surrounding environmental circumstances and is not controlled [3][4][5][6][7]. The second one, the existent infrastructure of the PSs is not suitable for raising the penetration of RESs, which imposes the PS control operators to decrease a significant percentage of RESs.…”

Section: Introductionmentioning

confidence: 99%

Management and development of a residential energy storage system: A case study Jordan

2022

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The use of renewable energy generation (REG) and energy storage systems (ESSs) strategies have a considerable possibility in delivering resilience for renewable energy sources (RESs). Thus, combining REG and ESSs strategies to fix operational, economic, ecological, and power-concerning governmental issues have been received particular concern from power system (PS) operators and planners globally. In this concern, developing countries (Jordan), which are poor in traditional energy resources, have proposed different supportive issues and experiences for the common use of ESSs strategies in the situation of distribution PSs. Therefore, this article performs a universal solution to this problem possessed to construct the infrastructure substantially to achieve high penetration of RE in the PS. Based on this, the article firstly studies the necessity of using REG and ESSs strategies in RE-based distribution PS. So, the current approaches and motivation programs used in various countries for the growth of RERs in optimum composition with ESSs and REG strategies are offered. The results of this study suggest that the use of an ESS is very important for the management and development of residential Solar Energy (SE) applications. Most respondents (85.3%) said that the use of a domestic ESS is critical to the management and growth of demand and supply for RE. To improve main grid efficiency and reduce demand for conventional power supplies, Jordanian engineers and experts recommend that consumers should install ES devices in their homes.

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“…MATLAB/SIMULINK can be used for studying TS but for relatively small power systems with limited number of machines [9]. The DIgSILENT PowerFactory software is capable to simulate all types of stability of power systems integrated with renewable energy sources [10][11][12][13][14]. In [15], the authors presented TS study for 400 kV Iraqi grid focusing on load flow program and simple TS model using Modified Euler's method.…”

Section: Introductionmentioning

confidence: 99%

Improved model for investigating transient stability in multimachine power systems

Hamzeh¹,

Al-Omari²

2019

IJEECS

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<span>The determinant factor in transient stability study of electric power systems is the behavior of synchronous generators when subjected to sudden and large disturbances. The objective of this paper is to develop a mathematical model, general algorithm, and a computer program to investigate the transient stability of multi-machine power systems. The developed mathematical model is established as a first step. The new developments lie in modeling the fault occurrence and fault clearance as well as the procedure of computing the system matrices during and after the fault through only modification of the matrix before the fault. Based on the developed mathematical model, a general algorithm was built and translated into a computer program using an object-oriented and visual language called Delphi. The algorithm adopted the Runge-Kutta method for numerical solution of differential swing equations and was programmed within the program. The developed program was validated by applying it to small sample electrical networks. The program was used to analyze the transient stability of a relatively large test network and accurate results were obtained that could be relied upon for protective relays settings and optimization of control system parameters. It was found that the developed program is an effective and rapid tool for estimating transitory stability for real power systems.</span>

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A Mathematical Model for Minimizing Add-On Operational Cost in Electrical Power Systems Using Design of Experiments Approach

Cited by 8 publications

References 14 publications

Tracing Mathematical Function of Age Specific Fertility Rate in Peninsular Malaysia

Tracing Mathematical Function of Age Specific Fertility Rate in Peninsular Malaysia

Management and development of a residential energy storage system: A case study Jordan

Improved model for investigating transient stability in multimachine power systems

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