Optimal planning of electric-vehicle charging stations in distribution systems

Z Liu, F Wen, G Ledwich - IEEE transactions on power delivery, 2012 - ieeexplore.ieee.org
With the progressive exhaustion of fossil energy and the enhanced awareness of
environmental protection, more attention is being paid to electric vehicles (EVs) …

Zero duality gap in optimal power flow problem

J Lavaei, SH Low - IEEE Transactions on Power systems, 2011 - ieeexplore.ieee.org
The optimal power flow (OPF) problem is nonconvex and generally hard to solve. In this
paper, we propose a semidefinite programming (SDP) optimization, which is the dual of an …

Strong SOCP relaxations for the optimal power flow problem

B Kocuk, SS Dey, XA Sun - Operations Research, 2016 - pubsonline.informs.org
This paper proposes three strong second order cone programming (SOCP) relaxations for
the AC optimal power flow (OPF) problem. These three relaxations are incomparable to …

Optimal power flow: A bibliographic survey I: Formulations and deterministic methods

S Frank, I Steponavice, S Rebennack - Energy systems, 2012 - Springer
Over the past half-century, Optimal Power Flow (OPF) has become one of the most important
and widely studied nonlinear optimization problems. In general, OPF seeks to optimize the …

Distribution voltage control considering the impact of PV generation on tap changers and autonomous regulators

YP Agalgaonkar, BC Pal… - IEEE Transactions on …, 2013 - ieeexplore.ieee.org
The uptake of variable megawatts from photovoltaics (PV) challenges distribution system
operation. The primary problem is significant voltage rise in the feeder that forces existing …

On computational issues of market-based optimal power flow

H Wang, CE Murillo-Sanchez… - … on power Systems, 2007 - ieeexplore.ieee.org
The deregulated electricity market calls for robust optimal power flow (OPF) tools that can
provide a) deterministic convergence; b) accurate computation of nodal prices; c) support of …

A framework for incorporating demand response of smart buildings into the integrated heat and electricity energy system

C Shao, Y Ding, P Siano, Z Lin - IEEE Transactions on Industrial …, 2017 - ieeexplore.ieee.org
The electricity output of combined heat and power (CHP) units is constrained by their heat
output corresponding to customers' heat demand, which makes it difficult for the CHP units to …

Optimal power flow of radial networks and its variations: A sequential convex optimization approach

W Wei, J Wang, N Li, S Mei - IEEE Transactions on Smart Grid, 2017 - ieeexplore.ieee.org
This paper proposes a sequential convex optimization method to solve broader classes of
optimal power flow (OPF) problems over radial networks. The non-convex branch power …

A hybrid genetic algorithm-interior point method for optimal reactive power flow

W Yan, F Liu, CY Chung… - IEEE transactions on power …, 2006 - ieeexplore.ieee.org
By integrating a genetic algorithm (GA) with a nonlinear interior point method (IPM), a novel
hybrid method for the optimal reactive power flow (ORPF) problem is proposed in this paper …

Physics of power networks makes hard optimization problems easy to solve

S Sojoudi, J Lavaei - 2012 IEEE Power and Energy Society …, 2012 - ieeexplore.ieee.org
We have recently observed and justified that the optimal power flow (OPF) problem with a
quadratic cost function may be solved in polynomial time for a large class of power networks …