@inproceedings{c9447d284525482fb3dc4367527c05af,
title = "Transmission Network Expansion Planning: Bridging the gap between AC heuristics and DC approximations",
abstract = "It was recently observed that a significant gap exists between the costs of Transmission Network Expansion Planning (TNEP) solutions produced by the DC power flow approximation and AC power flow heuristics. This paper confirms the existence of that gap and shows that DC-based TNEP solutions exhibit significant constraint violations when converted into AC power flows. The paper then demonstrates how to bridge this gap with the LPAC power flow model, a linear-programming approximation of the power flow that captures reactive power and voltage magnitudes. Indeed, LPAC-based TNEP solutions have minimal violations in AC power flows and provide high-quality solutions. The strength of the LPAC formulation is further demonstrated on the joint optimization of line expansion and VAr compensation, as well as a competitive market study. These studies suggest that the underling TNEP formulation has significant impacts on the proposed expansion plans.",
keywords = "AC Power Flow, DC Power Flow, LPAC Power Flow, Nonlinear Programming, Optimization methods, Power System Planning",
author = "Russell Bent and Carleton Coffrin and Gumucio, \{Rodrigo R.E.\} and \{Van Hentenryck\}, Pascal",
note = "Publisher Copyright: {\textcopyright} 2014 Power Systems Computation Conference.; 2014 Power Systems Computation Conference, PSCC 2014 ; Conference date: 18-08-2014 Through 22-08-2014",
year = "2014",
month = feb,
day = "10",
doi = "10.1109/PSCC.2014.7038299",
language = "English",
series = "Proceedings - 2014 Power Systems Computation Conference, PSCC 2014",
publisher = "Institute of Electrical and Electronics Engineers Inc.",
booktitle = "Proceedings - 2014 Power Systems Computation Conference, PSCC 2014",
address = "United States",
}