potential for Cascading/uncontrolled sep. The Rationale section states, “WR4 is designed to establish screening criteria that when exceeded may require further investigation of instability. The Request is not intended to show the presence of Cascading or instability.” In this case, Rationale section answers the question since it states the criteria is for screening for potential instability not identifying instability; and can be used to help clarify the WR4 language. Recommend adding voltage deviation equation in the Criterion: Voltage deviation(%)=(Change in Voltage/Initial Voltage*100 WECC-0100 Arizona Public Service Generation Yes Jeri Freimuth Company WECC-0100 Idaho Power Company Transmission Yes Laura Nelson WECC-0100 Idaho Power Company Distribution Yes Laura Nelson WECC-0100 Idaho Power Company Generation Yes Laura Nelson WECC-0100 Idaho Power Company System Yes Laura Nelson Coordination WECC-0100 Public Service Generation No PSCo provides the David Lemmons Company of Colorado following comments in conjunction with the NEGATIVE vote. (Xcel Energy) · Document’s contents (system
potential for Cascading/uncontrolled sep. The Rationale section states, “WR4 is designed to establish screening criteria that when exceeded may require further investigation of instability. The Request is not intended to show the presence of Cascading or instability.” In this case, Rationale section answers the question since it states the criteria is for screening for potential instability not identifying instability; and can be used to help clarify the WR4 language. Recommend adding voltage deviation equation in the Criterion: Voltage deviation(%)=(Change in Voltage/Initial Voltage*100 WECC-0100 Arizona Public Service Company Generation Yes Jeri Freimuth WECC-0100 Idaho Power Company Transmission Yes Laura Nelson WECC-0100 Idaho Power Company Distribution Yes Laura Nelson WECC-0100 Idaho Power Company Generation Yes Laura Nelson WECC-0100 Idaho Power Company System Coordination Yes Laura Nelson WECC-0100 Public Service Company of Colorado (Xcel Energy) Generation No PSCo provides the following comments in conjunction with the NEGATIVE vote. · Document’s contents (system David Lemmons
WECC-0100%20TPL-001-WECC-3%20Final%20Voting%20Record.docx