Power system operations and control: Difference between revisions

Revision as of 20:50, 2 June 2022

Revision as of 20:54, 2 June 2022

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* demand-supply balance need to be maintained, including the sufficient [[spinning reserve]]s for contingency. The balance need to reflect the transmission constraints;

* thermal units might have limits on minimum uptime (once switched on, cannot be turned off quickly) and downtime (once stopped, cannot be quickly restarted again);

* "must-run" units have to run due to technical constraints (for example, [[combined heat and power]] plants must run if their heat is needed);

* there is usually a limitedsingle amount of crewscrew at the generationplant utility,that restrictingneeds theto numberbe ofpresent unitsduring thata thermal unit start-up, so only one unit can be started simultaneouslyat a time.{{sfn|Wood|Wollenberg|1984|p=117}}

== Hours-ahead operation ==