Attention to detail lacking • Back-up ACE should be verified with each model push • Operators should receive refresher training on use and location of • ACE Tim Reynolds/Katie Iversen will look at the possibility of posting examples of Brief Reports. Tim Iversen will ask the following questions: Is there a change control process? Yes there is a change control process in place. STATUS: 4/02/2018 – November 28, 2017 Category 1c – A line fault caused a RAS to arm a generator that should have tripped off but didn't. Error was found to be an AND gate where there should have been an OR gate. STATUS: 2/7/2018 Evan and Katie Iversen provided an update on this event. – The RAS was but there was no exceedance. The logical AND occurred during commissioning. AI Regarding the November 28, 2017 Category 1c event, EPAS members will – – with the following items: Evan and Katie Iversen will ask the following questions: Is the RAS redundant? What additional improvements will be submitted to the RAS committee? Since the RAS has been in place for a long time and the AND gate occurred during commissioning, how was this issue missed during testing? Is this RAS for thermal or voltage/transient issues? STATUS: 4/2/2018 RASRS will be reviewing this RAS during their April 30- May 1, 2018 – meeting. The questions have been provided to the members to follow up. January 23, 2018 Category 1a – A construction vehicle encroached within the arc distance of a 138-kV line causing a C-phase to ground event. Relay miscoordination dropped 8,000 customers.
• Attention to detail lacking • Back-up ACE should be verified with each model push • Operators should receive refresher training on use and location of ACE Tim Reynolds/Katie Iversen will look at the possibility of posting examples of Brief Reports. Tim Iversen will ask the following questions: Is there a change control process? STATUS: 4/02/2018 – Yes there is a change control process in place. November 28, 2017 – Category 1c A line fault caused a RAS to arm a generator that should have tripped off but didn't. Error was found to be an AND gate where there should have been an OR gate. STATUS: 2/7/2018 – Evan and Katie Iversen provided an update on this event. The RAS was but there was no exceedance. The logical AND occurred during commissioning. AI – Regarding the November 28, 2017 – Category 1c event, EPAS members will with the following items: Evan and Katie Iversen will ask the following questions: Is the RAS redundant? What additional improvements will be submitted to the RAS committee? Since the RAS has been in place for a long time and the AND gate occurred during commissioning, how was this issue missed during testing? Is this RAS for thermal or voltage/transient issues? STATUS: 4/2/2018 – RASRS will be reviewing this RAS during their April 30- May 1, 2018 meeting. The questions have been provided to the members to follow up. January 23, 2018 – Category 1a A construction vehicle encroached within the arc distance of a 138-kV line causing a C-phase to ground event. Relay miscoordination dropped 8,000 customers.
2018-04-04%20EPAS%20Closed%20Door%20Meeting%20Agenda.docx