Compressor/cache/pks_scanner/evolution_pct_confirm_verify/润滑油压力小时阶段段.csv

机组,批次,周期编号,压力阶段,开始小时,结束小时,持续自然小时数,有效运行小时数,周期基线油压,正常波动带,阶段开始小时油压,阶段结束小时油压,阶段最低小时油压,阶段开始相对周期基线变化,阶段结束相对周期基线变化,阶段最大连续下降有效小时数,阶段低报警小时数,阶段低低报警小时数,是否形成确认等级,阶段触发依据
8号机,31,8号机-P01,轻微,2025-10-26 05:00:00,2025-10-27 17:00:00,37,29,0.437814,,0.415149,0.394266,0.394266,-0.051769,-0.099467,16,0,0,否,油压0.415～0.394MPa，最低0.394MPa，连续29个有效运行小时；油压0.415MPa，周期基线0.438MPa，相对周期基线变化-5.2%，相对周期基线下降至少5%并持续下降，或普通异常持续不足3小时
8号机,31,8号机-P01,异常,2025-10-27 18:00:00,2025-10-29 21:00:00,52,45,0.437814,,0.393562,0.350347,0.350347,-0.101076,-0.199783,24,0,0,是,油压0.394～0.350MPa，最低0.350MPa，连续45个有效运行小时；油压0.394MPa，周期基线0.438MPa，相对周期基线变化-10.1%，相对周期基线下降至少10%并持续下降，或低报警区间连续达到3小时
8号机,31,8号机-P01,严重异常,2025-10-29 22:00:00,2025-10-30 08:00:00,11,11,0.437814,,0.349426,0.342649,0.342649,-0.201887,-0.217365,35,0,0,是,油压0.349～0.343MPa，最低0.343MPa，连续11个有效运行小时；油压0.349MPa，周期基线0.438MPa，相对周期基线变化-20.2%，相对周期基线下降至少20%并持续下降，或低低报警区间连续达到3小时