Gas and Electric Grid Unit Commitment with Coordinated N-1 Generator Contingency Analysis

Jamei, M., Schweitzer, E., Scaglione, A., and Hedman, K.W.
Citation:

To appear, 2018 Power Systems Computation Conference (PSCC '18), Dublin, Ireland, June 11 - 15, 2018.

Abstract:

The inter-dependency between the gas and electric grid is growing as the reliance on the gas-fired generators increases. Strong coupling between two large infrastructures requires a coordinated planning and operational framework. In fact, the constraints of both grids must be respected, while their objective functions are co-optimized. In this paper, we present a new formulation for Gas and Electric Grid Coordinated Unit Commitment (GECUC). We apply the standard DC power flow approximation and propose a new formulation to relax the nonlinear gas grid constraints so that the GECUC can be mapped into a Mixed-Integer Linear Program (MILP). In addition, the N-1 generator contingency security constraints are extended to include the gas grid constraints and find the  required reserve from gas wells and generators after the loss of a generating unit.

Publication Status:
To Appear
Publication Type:
Proceedings
Publication Date:
06/11/2018
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