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Equipment EDG-101
FM starting_battery_failure
ISO 14224 mode M M
Source engineering_estimate
启动蓄电池失效
EDG-101 · Emergency Diesel Generator (EDG)
Related equipment → EDG-101
0.82Source conf.
—Evidence conf.
MISO 14224 mode
1Failure Mechanism
Function:启动电源
Failure cause:电池老化或端子腐蚀致启动无力
Damage mechanism：电池容量衰减
2Source Basis (where this FM comes from)
engineering_estimate
Source confidence 0.82: this FM is derived from the ontology KB and cross-validated by engineering_estimate.
3Evidence Chain (supporting basis)
This FM has no offline curated evidence text; it is derived from the ontology KB and cross-validated by the listed standard clauses and related accident investigations.
Governing standards (evidence)：std:NFPA 110 — Standard for Emergency and Standby Power Systems · 机理级工程估计，非实测；引用 governing standard 作为分类出处
4Related Real Accidents (traceable to accident cards)
This FM is recorded in 2 real accident investigation(s); tap the report no. to open the corresponding accident lesson card.
5Applicable Standards & Clauses
NFPA 110
No separate clause reference.
6Derived Analysis (seeded from this FM)
9/3/4FMEA Sev/Occ/Det
0.05RBI λ
0.8Monitor pdet
12 月Insp. int.
Current tasks:电池电压/内阻测试
RCFA incident:启动蓄电池失效：电池老化或端子腐蚀致启动无力，后果类型 Safety/Operational，严重度 9
7RCM Maintenance Decision (strategy landing)
CBMOn-Condition Maintenance
Recommended task绝缘/电气试验 + 继电保护定值校核 + 操动机构特性测试; 无损检测(UT/VT/MT/PT), 按 API 581 RBI 风险定级设定检验间隔
Suggested intervalHigh risk 1-3 mo / Medium 6-12 mo / Low risk at turnaround (by API 581 RBI risk ranking)
Decision basis机理类别=corrosion; electrical
Governing standardsAPI 570API 571API 581GB/T 14285IEC 60034IEEE C57
⚠ This decision is engineering-inferred by RCM logic from the damage mechanism / root cause / failure cause — it is not derived from measured site history. Confirm with the equipment owner and process before execution.
⚠ 本卡技术正文（功能 / 致因 / 损伤机理 / RCFA 叙事）保留中文原文——依可信 AI 红线，自由技术文本不自动机翻、不编造英文译文。UI、设备类型、FM 名、ISO 码、标准号均为英文。