Application of min cut algorithm for optimal location of FACTS devices considering system loadability and cost of installation

Duong, Thanh Long; Yao, Jingjing; Truong, VietAnh

doi:10.1016/j.ijepes.2014.06.072

Cited by 22 publications

(18 citation statements)

References 19 publications

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“…The MCA [10,49,51] is introduced here for installing TCSCs at suitable location to remove or alleviate the overloads/congestion by controlling the power flow to improve the system static security. However, the distribution of power flow is independent from the capacity loading of transmission line but it is reliant on the line impedance.…”

Section: Min Cut Algorithm (Mca)mentioning

confidence: 99%

A Hybrid Approach for Power System Security Enhancement via Optimal Installation of Flexible AC Transmission System (FACTS) Devices

et al. 2017

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Abstract:Increasing demand for electricity has placed heavy stress on power system security. Therefore, this paper focuses on the problem of how to maximize power system static security in terms of branch loading and voltage level under normal operation and even the most critical single line contingency conditions. This paper proposes a hybrid approach to find out the optimal locations and settings of two classical types of flexible AC transmission system (FACTS) devices, namely thyristor-controlled series compensators (TCSCs) and static var compensators (SVCs) for solving this problem. Our proposed approach requires a two-step strategy. Firstly, the min cut algorithm (MCA) and tangent vector technique (TVT) are applied to determine the proper candidate locations of TCSC and SVC respectively so as to reduce the search scope for a solution to the problem, and then the cuckoo search algorithm (CSA) is employed to solve this problem by simultaneously optimizing the locations and settings for TCSC and SVC installation. The proposed hybrid approach has been verified on the IEEE 6-bus and modified IEEE 14-bus test systems. The results indicate that CSA outperforms particle swarm optimization (PSO), proving its effectiveness and potential, and they also show that our proposed hybrid approach can find the best locations and settings for TCSC and SVC devices as an effective way for enhancing power system static security by removing or alleviating the overloads and voltage violations under normal operation and even the most critical single line contingency conditions. Using this hybrid approach, the search space for solution to the problem becomes limited hence the computational burden will be decreased.

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Section: Min Cut Algorithm (Mca)mentioning

confidence: 99%

A Hybrid Approach for Power System Security Enhancement via Optimal Installation of Flexible AC Transmission System (FACTS) Devices

et al. 2017

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“…In some works, to find the MLP of a system using an OPF-based model, the loading factors at all buses are considered equal, this is called the common loading factor (CLF), which is a widely-used model in power system studies [15,[26][27][28]. The general OPF-based model presented in these works is shown in Eqs.…”

Section: Common Loading Factor-based Modelmentioning

confidence: 99%

“…To obtain the proposed demand power factor-based approach (DPFA), constraints (2) and (3) are converted into Eqs. (24) and (25), respectively, in model (1)- (10), and technical constraints (26)- (28) are also taken into account.…”

Section: Demand Power Factor-based Modelmentioning

confidence: 99%

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A demand power factor-based approach for finding the maximum loading point

Pourakbari‐Kasmaei

Contreras

Mantovani

2017

Electric Power Systems Research

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This paper presents a demand power factor-based approach (DPFA) for finding the maximum loading point (MLP) of a power system using the optimal power flow (OPF). In almost all the presented models in the literature two major drawbacks are obvious: (1) the active and reactive power demands increase equally, constantly, or at the same rate, while in the real world, this hardly ever occurs, and (2) the lack of consideration or misinterpretation of the demand power factor (DPF). This paper addresses the existing drawbacks by proposing a model based on a desired DPF, a threshold predefined by the independent system operator (ISO) that each consumer must maintain to prevent a surcharge. In the proposed DPFA, the active and reactive demands may increase differently resulting in: (1) providing a flexible loading pattern to find the best possible MLP, (2) keeping the desired DPFs at all load buses, and (3) improving the computational efficiency. To verify the DPFA, which is solvable via commercial solvers, several cases such as IEEE 14-, 30-, modified 30-, and 118-bus systems, and a large-scale 2338-bus system are conducted. Results confirm the potential, effectiveness, and superiority of the DPFA compared to the models in the literature.

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“…A great deal of attention has been paid in literature to make use of FACTS technology in electric industry (RezaeeJordehi, 2015;Valle and Araujo, 2015;Balamurugan et al, 2015;Mohammadpour, et al, 2015;Ghorbani et al, 2015;Singh et al, 2015;Gasperic and Mihalic, 2015;Abdelsalam et al, 2015;Duong et al, 2014;Esmaili et al, 2014;Kumar and Kumar Mittapalli, 2014;Manahov and Hudson, 2013;Ravi and Rajaram, 2013 among others). The present paper aimed at determination of three important components of FACTS devices, i.e.…”

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confidence: 99%