Power system operations and control: Difference between revisions

Content deleted Content added
Minutes-ahead operation: Expanding article
 
Line 41:
 
== Minutes-ahead operation ==
In the minutes prior to the delivery, a system operator is using the [[power-flow study]] algorithms in order to find the [[optimal power flow]]. At this stage the goal is reliability ("security") of the supply.,{{sfn|Conejo|Baringo|2017|p=10}} applying [[contingency analysis]]. The practical electric networks are too complex to perform the calculations by hand, so from the 1920s the calculations were automated, at first in the form of specially-built [[analog computer]]s, so called ''[[Network analyzer (AC power)|network analyzers]]'', replaced by digital computers in the 1960s.
 
== Control after disturbance ==