Attachment 2. If the Transmission Planner external to the plant per allows less stringent voltage relay settings than the criteria specified in those required to meet PRC-024 Attachment 2, Requirement R2 unless then the Generator Owner shall set its protective there is a documented relaying within the voltage recovery and communicated characteristics of a location-specific regulatory or Transmission study. Requirement R2 equipment limitation Planner’s is subject to the following exceptions: per Requirement R3. [Violation Risk Factor: Medium] [Time Horizon: Long-term Planning] Generating unit(s) may trip in accordance with a Special Protection System (SPS) or Remedial Action Scheme (). Generating unit(s) may trip if clearing a system fault necessitates disconnecting (a) generating unit(s). Generating unit(s) may trip by action of protective functions (such as out-of-step functions or loss-of-field functions) that operate due to an impending or actual loss of synchronism or, for asynchronous generating units, due to instability in power conversion control equipment. Generating unit(s) may trip within a portion of the trip of PRC-024 Attachment 2 for “no zone” documented and communicated regulatory or equipment limitations in accordance with Requirement R3. R3. Each Generator Owner shall document each known The Generator Owner The Generator Owner The Generator Owner The Generator Owner PRC-024-2 regulatory or equipment limitation that prevents an documented the documented the documented the known failed to document any applicable generating unit with generator frequency known known non-protection system known non-protection or voltage protective relays from meeting the relay system system equipment limitation system equipment setting criteria in Requirements R1 or R2 including equipment limitation equipment limitation that prevented it from limitation that (but not limited to) study results, experience from an that prevented it from that prevented it from meeting the criteria in prevented it from actual event, or meeting the criteria in meeting the criteria in Requirement R1 or R2 meeting the criteria in manufacturer’s advice. Requirement R1 or Requirement R1 or and communicated the Requirement R1 or R2. R2 and R2 and documented limitation communicated the communicated the to its Planning
Attachment 2. If the Transmission Planner allows less stringent voltage relay settings than those required to meet PRC-024 Attachment 2, then the Generator Owner shall set its protective relaying within the voltage recovery characteristics of a location-specific Transmission Planner’s study. Requirement R2 is subject to the following exceptions: [Violation Risk Factor: Medium] [Time Horizon: Long-term Planning] Generating unit(s) may trip in accordance with a Special Protection System (SPS) or Remedial Action Scheme (). Generating unit(s) may trip if clearing a system fault necessitates disconnecting (a) generating unit(s). Generating unit(s) may trip by action of protective functions (such as out-of-step functions or loss-of-field functions) that operate due to an impending or actual loss of synchronism or, for asynchronous generating units, due to instability in power conversion control equipment. Generating unit(s) may trip within a portion of the “no trip zone” of PRC-024 Attachment 2 for documented and communicated regulatory or equipment limitations in accordance with Requirement R3. external to the plant per the criteria specified in Requirement R2 unless there is a documented and communicated regulatory or equipment limitation per Requirement R3. PRC-024-2 R3. Each Generator Owner shall document each known regulatory or equipment limitation that prevents an applicable generating unit with generator frequency or voltage protective relays from meeting the relay setting criteria in Requirements R1 or R2 including (but not limited to) study results, experience from an actual event, or manufacturer’s advice. The Generator Owner documented the known system equipment limitation that prevented it from meeting the criteria in Requirement R1 or R2 and communicated the The Generator Owner documented the known system equipment limitation that prevented it from meeting the criteria in Requirement R1 or R2 and communicated the The Generator Owner documented the known non-protection system equipment limitation that prevented it from meeting the criteria in Requirement R1 or R2 and communicated the documented limitation to its Planning The Generator Owner failed to document any known non-protection system equipment limitation that prevented it from meeting the criteria in Requirement R1 or R2.
VSL_Matrix_Complete_2016_01_01.docx