Examples of Security Limits in a sentence
In case of curtailment compensation due to Force Majeure or in order to ensure operation remains within Operational System Security Limits or emergency situation in accordance with Article 47 and Article 48 Registered Participants shall not be entitled to other compensation than the compensation described in these Allocation Rules.
In case of remuneration in accordance with Article 48 or curtailment compensation due to Force Majeure or in order to ensure operation remains within Operational Security Limits or in emergency situation in accordance with Article 59 and Article 60 and Article 61 or in accordance with any regional or border specific annex Registered Participants shall not be entitled to other compensation than the compensation described in these Allocation Rules.
The Reliability Coordinator shall use its best efforts to ensure that revising SOLs or IROLs would not result in any cascading failures within the Interconnection.3.5 Returning to pre-emergency Operating Security Limits.
Alert State [NC OS] – The System State where the system is within Operational Security Limits, but a Contingency from the Contingency List has been detected, for which in case of occurrence, the available Remedial Actions are not sufficient to keep the Normal State.
By way of amendment of Article 59 (Compensation for curtailments to ensure operation remains within Operational Security Limits before the Day Ahead Firmness Deadline) of the Allocation Rules, the compensation payable with respect to curtailment of Long Term Transmission Rights to maintain operation within applicable Operational Security Limits shall be calculated to reflect transmission losses over the IFA.
The use of "operating limits" is confusing when past standards have used other terminology such as Operating Security Limits and Operating Security Limit Violations.
This is not redundant as the procedure of the System Defence Plan aims at stabilizing the frequency at the moment of the incident while the procedure of the Restoration Plan aims at restoring frequency within Operational Security Limits after designation of the Frequency Leader (about 15 min after the incident).3.
It must be understood as Remedial Actions being mainly dedicated to Normal and Alert States whereas System Defence Plan measures are to be used specifically in Emergency State when (N-1)-Criterion and Operational Security Limits are already violated.
Many entities are developing and defining Operating Security Limits (OSL) / Security Operating Limits (SOL) / Reliability Operating Limits (ROL) definitions and limits (e.g. Dave Hilt’s Operating Limits Definition Task Force, “Facility’s Rating” SAR, RCWG, FMTG, etc.).
This is necessary to ensure that the system remains within the Operational Security Limits, because planned outages in one Responsibility influence the security of the system in another Responsibility Area.