Definition:
services necessary for the operation of an electric power system provided by the system operator and/or by power system users
NOTES:
System ancillary services may include the participation in frequency regulation, reactive power regulation, ac-tive power reservation, etc.
comment: IEV 617-03-09
same definition see also term system services
Last modified at 8/5/2011 9:53 AM by Kießling, Andreas
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