Polyhedral Computation Based Transfer Capacities in Multi-Area Power Systems

TL;DR

This paper introduces a novel polyhedral computation method to enhance transfer capacity assessment in multi-area power systems, improving utilization and security in cross-border electricity exchanges.

Contribution

It extends classic transfer capacity procedures by incorporating polyhedral computations for bilateral and multilateral transfer limits in meshed power networks.

Findings

Improved transfer capacity estimation in case studies.

Enhanced utilization of transmission lines.

Better characterization of inter-area exchange limits.

Abstract

This paper proposes a new methodology to maximize the feasible set of power injections and cross-border power transfers in meshed multi-area power systems. The approach used polyhedral computation schemes and is an extension to the classic procedure for cross-border transfer capacity assessment in the European power network, including the computation of bilateral cross-border transfer capacities as well as multilateral flow-based approaches. The focus is the characterization of inter-area exchange limits required for secure power system operation in the presence of physical transmission constraints, while maximizing the utilization factors of the transmission lines. The numerical examples include a case study of the ENTSO-E transmission system.