Exercise: BS-3 Black-start / island tabletop
Mode: Timed inject facilitator script
Rule: This run live switching 없음 — decision quality only
Format: Script. Generator brochure 아님.
T+0 min — Inject 1
Facilitator: “Utility under-frequency; site disconnects. UPS island에 있는 것과 start 가능한 것만.”
Expected discussion: qualified island(batteries, bypass truth, controls on-island).
Failure mode listen: crank path 없이 “Diesel이 save.”
T+8 min — Inject 2
“Diesel #1 fails to crank. #2 in maintenance.”
Expected: process criticality별 load shed list — shout한 사람 기준 아님.
Listen: packaging live 유지 시도 while SIS cabinet brownout.
Shed list written 아니면 drill은 karaoke.
T+15 min — Inject 3
“Radio channel congested. One satellite phone only.”
Expected: pre-assigned comms role; scribe; parallel unauthorized start 없음.
Listen: three people same vendor call.
T+22 min — Inject 4
“Partial restore Feeder B only. Feeder A still dark.”
Expected: motor damage / reverse power surprise 없이 single-feeder reclose accept process.
Listen: sync/check discipline 없이 “Just close it.”
T+35 min — Inject 5
“Floor rumor: ‘grid is back.’ It is not.”
Expected: close 전 utility / control room authenticate.
Listen: drill own authentication step bypass.
Rumor는 interlocking 아님.
Hot wash prompts(mandatory)
- First shed load — paper에 있는가?
- Fiction UPS island(bypass latched / controls off-island)?
- “Grid back” authenticate 누구?
-
5분 decision 중 card여야 할 것?
Adjacent fences
UPS process-island cascade는 dip failure tree. Invoice autopsy는 tariff line. Demand-curve essay는 interval peak. BS-3는 grid loss decision sequencing. Shed list skip하고 second diesel 사지 마라.
Facilitator close
Drill을 optimism이 아니 decision quality로 score. Missing shed list expose clean tabletop은 win. Paper 없는 heroic story는 loss.