A new mixed-integer linear formulation for optimal placement of fault indicators in distribution systems

2018 ◽  
Vol 28 (12) ◽  
pp. e2631 ◽  
Author(s):  
Sayed Yaser Derakhshandeh ◽  
Mojtaba Nikbakht
Keyword(s):  
Distribution Systems ◽  
Linear Formulation ◽  
Optimal Placement ◽  
Mixed Integer ◽  
Mixed Integer Linear Formulation

A mixed integer linear formulation for the minimum label spanning tree problem

2009 ◽  
Vol 36 (11) ◽  
pp. 3082-3085 ◽  
Author(s):  
M.Eugénia Captivo ◽  
João C.N. Clímaco ◽  
Marta M.B. Pascoal
Keyword(s):  
Spanning Tree ◽  
Linear Formulation ◽  
Mixed Integer ◽  
Mixed Integer Linear Formulation

scholarly journals Optimal Placement of Capacitors, Voltage Regulators, and Distributed Generators in Electric Power Distribution Systems

Ingeniería ◽  
2020 ◽  
Vol 25 (3) ◽  
pp. 334-354
Author(s):  
Luis Alfonso Gallego Pareja ◽  
Jesus Maria Lopez Lezama ◽  
Oscar Gomez Carmona
Keyword(s):  
Distribution Systems ◽  
Optimal Allocation ◽  
Test System ◽  
Voltage Regulators ◽  
Optimal Placement ◽  
Mixed Integer ◽  
Distributed Generators ◽  
Proposed Model ◽  
Power Loss Reduction ◽  
Optimal Implementation

Context: With the advent of the smart grid paradigm, electrical distribution network (EDN) operators are making efforts to modernize their power grids through the optimal implementation of distributed generators (DGs) and other devices such as capacitors (CAs) and voltage regulators (VRs). The optimal allocation of such devices is a challenging task involving discrete and integer decision variables. Method: This paper presents an approach for the optimal placement of CAs, VRs and DGs in EDNs. The distinctive feature of the proposed model is the fact that it can be used to optimize the allocation of all of these elements together, in pairs, or separately. The optimal implementation of these elements is formulated as a mixed integer nonlinear programming (MINLP) problem, and it is solved by means of a specialized genetic algorithm (SGA). Results: The proposed methodology was tested on the IEEE 69-bus test system. The results were compared with previous works from the specialized literature, showing the effectiveness and robustness of the model. Conclusions: It was found that the appropriate allocation of CAs, VRs, and DGs results in a significant power loss reduction. It was also found that the proposed model is faster than other techniques proposed in the specialized literature. Acknowledgements: The authors gratefully acknowledge the support from the Colombia Científica program, within the framework of the Ecosistéma Científico (Contract No. FP44842- 218-2018). The authors also acknowledge the support of the State University of Londrina and Universidad Tecnológica de Pereira (UTP).

Sign in / Sign up

Export Citation Format

Share Document