Details

Autor(en) / Beteiligte

• Tricarico, Gioacchino
• Wagle, Raju
• Azuara-Grande, Luis Santiago
• Gonzalez-Longatt, Francisco
• Dicorato, Maria
• Forte, Giuseppe
• Rueda, Jose Luis

Titel

Security Constrained Unit Commitment and Economic Dispatch by AC Sensitivity Factors

Ist Teil von

• 2022 IEEE Biennial Congress of Argentina (ARGENCON), 2022, p.1-5

Ort / Verlag

IEEE

Erscheinungsjahr

2022

Quelle

IEEE/IET Electronic Library (IEL)

Beschreibungen/Notizen

• The dispatch schedule of the electrical power plant units is the result of the solution to the unit commitment optimisation problem, and it minimises the cost of production considering pre-defined technical limits. The security-constrained unit commitment problem has been defined as including the network constraints in the previously mentioned optimisation problem to obtain a feasible power system solution. The traditional security-constrained unit commitment methods are based on the DC-power flow model, where the network losses and voltage magnitudes are neglected in the problem formulation. This paper proposed a bi-stage security-constrained unit commitment with an economic dispatch (SCUCED) optimisation problem. A merit-order-based zonal day-ahead market problem is solved in the first stage to define a preliminary generation commitment. In the second stage, the SCUCED is solved based on the AC-power flow model and sensitivity factors to embed the full network representation in the optimisation problem. In this paper, the proposed method is illustrated by an application to a modified version of the IEEE 39-bus test system.