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Convex quadratic relaxations for mixed-integer nonlinear programs in power systems

Journal Article · · Mathematical Programming Computation
 [1];  [2];  [3]
  1. The Australian National University, Canberra (Australia)
  2. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  3. Univ. of Michigan, Ann Arbor, MI (United States)

Here, this paper presents a set of new convex quadratic relaxations for nonlinear and mixed-integer nonlinear programs arising in power systems. The considered models are motivated by hybrid discrete/continuous applications where existing approximations do not provide optimality guarantees. The new relaxations offer computational efficiency along with minimal optimality gaps, providing an interesting alternative to state-of-the-art semidefinite programming relaxations. Finally, three case studies in optimal power flow, optimal transmission switching and capacitor placement demonstrate the benefits of the new relaxations.

Research Organization:
Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
Sponsoring Organization:
USDOE; Laboratory Directed Research and Development (LDRD)
Grant/Contract Number:
AC52-06NA25396
OSTI ID:
1469547
Report Number(s):
LA-UR--18-21065
Journal Information:
Mathematical Programming Computation, Journal Name: Mathematical Programming Computation Journal Issue: 3 Vol. 9; ISSN 1867-2949
Publisher:
SpringerCopyright Statement
Country of Publication:
United States
Language:
English

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Cited By (8)

Evaluating demand response opportunities for power systems resilience using MILP and MINLP Formulations journal November 2018
Probabilistic N - k failure-identification for power systems journal January 2018
Small and strong formulations for unions of convex sets from the Cayley embedding journal March 2018
An adaptive, multivariate partitioning algorithm for global optimization of nonconvex programs journal January 2019
A convex relaxation approach for power flow problem journal April 2019
Network transition security for transmission switching journal September 2019
Probabilistic $N$-$k$ Failure-Identification for Power Systems text January 2017
An Adaptive, Multivariate Partitioning Algorithm for Global Optimization of Nonconvex Programs preprint January 2017

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