September 15, 2017 Category 1a – Errors in settings and wiring resulted in misoperation of some relays during commissioning. AI Regarding the Sept 15, 2017 Category 1a event, EPAS members will follow up with – – the following action items: Tim Reynolds will follow up with Dean Spratt to know the results of the analysis done for Peer Review process. The HPWG will look at the to see if there are best practices or lessons learned about coordinating protection between generation and substation. STATUS: 12/06/2017 Information was shared at the meeting that this was a timing – issues where generation personnel changed the relay drawings and failed to notify those in the project in charge of relay coordination before the commissioning. As a preventative measure, the company is putting into place a step to review and verify all future settings match the prints before commissioning. In addition, they will also add an extra step that final prints will be reviewed again for relay settings before it goes live. The HPWG will continue analyzing the for potential STATUS: 1/10/2018 – lessons learned. November 15, 2017 Category 1h – Outdated file mistakenly used when performing an EMS update leading to loss of communications, visibility and control. AI Regarding the November 15, 2017 Category 1h event, EPAS members will follow – – up with the following action items: The HPWG will look at the event to see if there are best practices or lessons learned. Tim Reynolds/Katie Iversen will ask the following questions: Why wasn’t the Model Propagation Guideline followed? Was it due to the procedure or human error? STATUS: 1/29/2018 Upon further investigation, contributing causes of the – were: Human performance in that existing guideline was available but not followed; and process deficiencies which include needed clarifications to the process and steps to remove the availability of old models. Can the documented lessons learned be shared with EPAS and DEMSWG? STATUS: 1/29/2018 The list of potential lessons learned are: –
September 15, 2017 – Category 1a Errors in settings and wiring resulted in misoperation of some relays during commissioning. AI – Regarding the Sept 15, 2017 – Category 1a event, EPAS members will follow up with the following action items: Tim Reynolds will follow up with Dean Spratt to know the results of the analysis done for Peer Review process. The HPWG will look at the to see if there are best practices or lessons learned about coordinating protection between generation and substation. STATUS: 12/06/2017 – Information was shared at the meeting that this was a timing issues where generation personnel changed the relay drawings and failed to notify those in the project in charge of relay coordination before the commissioning. As a preventative measure, the company is putting into place a step to review and verify all future settings match the prints before commissioning. In addition, they will also add an extra step that final prints will be reviewed again for relay settings before it goes live. STATUS: 1/10/2018 – The HPWG will continue analyzing the for potential lessons learned. November 15, 2017 – Category 1h Outdated file mistakenly used when performing an EMS update leading to loss of communications, visibility and control. AI – Regarding the November 15, 2017 – Category 1h event, EPAS members will follow up with the following action items: The HPWG will look at the event to see if there are best practices or lessons learned. Tim Reynolds/Katie Iversen will ask the following questions: Why wasn’t the Model Propagation Guideline followed? Was it due to the procedure or human error? STATUS: 1/29/2018 – Upon further investigation, contributing causes of the were: Human performance in that existing guideline was available but not followed; and process deficiencies which include needed clarifications to the process and steps to remove the availability of old models. Can the documented lessons learned be shared with EPAS and DEMSWG? STATUS: 1/29/2018 – The list of potential lessons learned are:
2018-03%20EPAS%20Closed%20Door%20Meeting%20Minutes.docx