FM Traceability Card · 套管闪络/渗漏

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Equipment TX-101 FM bushing_flashover ISO 14224 mode Bushing flashover / leak Bushing flashover / leak Source synthetic + standards-based engineering estimate (ISO 14224 / IEC 61800 / IEEE C57 框架归类)

套管闪络/渗漏

TX-101 · Power Transformer

Related equipment → TX-101

0.82Source conf.

—Evidence conf.

Bushing flashover / leakISO 14224 mode

1Failure Mechanism

Function:引出内部导体并绝缘

Failure cause:套管外绝缘污秽受潮沿面闪络；内部密封失效渗漏

Damage mechanism：套管外绝缘污秽受潮沿面闪络；内部密封失效渗漏导致油位下降、绝缘距离不足

2Source Basis (where this FM comes from)

synthetic + standards-based engineering estimate (ISO 14224 / IEC 61800 / IEEE C57 框架归类)

Source confidence 0.82: this FM is derived from the ontology KB and cross-validated by synthetic + standards-based engineering estimate (ISO 14224 / IEC 61800 / IEEE C57 框架归类).

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:IEC 60137 — Insulating bushings for alternating voltages above 1000 V · 机理级工程估计，非实测；引用 governing standard 作为分类出处
std:IEEE C57.19 — IEEE Standard for Performance Characteristics of Outdoor Power Apparatus Bushings · 机理级工程估计，非实测；引用 governing standard 作为分类出处
std:IEC 60076 — Power transformers · 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)

NUREG-LER-1997-032-INDIANPOINT3 NUREG-LER-1998-002-BROWNSFERRY

This FM is recorded in 2 real accident investigation(s); tap the report no. to open the corresponding accident lesson card.

5Applicable Standards & Clauses

IEC 60137IEEE C57.19IEC 60076

No separate clause reference.

6Derived Analysis (seeded from this FM)

7/3/3FMEA Sev/Occ/Det

0.04RBI λ

0.7Monitor pdet

12 月Insp. int.

Current tasks:套管红外/紫外电晕检测 | 油位与密封检查 | 污秽清洗

RCFA incident:套管闪络/渗漏：套管外绝缘污秽受潮沿面闪络；内部密封失效渗漏，后果类型 Operational/Safety，严重度 7

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; 泄漏监测 + 密封/填料定期更换, 螺栓热紧固

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=electrical; seal_leak

Governing standards

API 510API 682GB/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。

FM bushing_flashover · Data from OPC KB and whitelisted public sources, compiled by Reliability AI for reliability demonstration only. Evidence ref codes are internal indices, not public DOIs.