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Independent system operators (ISOs) of electricity markets solve the security-constrained unit commitment (SCUC) problem to plan a secure and economic generation schedule. However, as the size of power systems increases, the current centralized SCUC algorithm could face critical challenges ranging from modeling accuracy to calculation complexity. This paper presents a distributed SCUC (D-SCUC) algorithm...
The day-ahead unit-commitment (UC)-based market-clearing (MC) is widely acknowledged to be the most economically efficient mechanism for scheduling resources in power systems.
With high penetration of renewable generation, power system operations need additional ramping capability to follow the change of renewable generation. However, without proper unit commitment in the forward energy scheduling process, the system may not have sufficient ramping capability in the real time operation when renewable generation varies while system load is sharply pulling up or ramping down...
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