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Equipment TX-101
FM cooling_system_failure
ISO 14224 mode Cooling system failure Cooling system failure
Source synthetic + standards-based engineering estimate (ISO 14224 / IEC 61800 / IEEE C57 框架归类)
冷却器/油泵/风扇失效
TX-101 · Power Transformer
Related equipment → TX-101
0.82Source conf.
—Evidence conf.
Cooling system failureISO 14224 mode
1Failure Mechanism
Function:散逸负载损耗
Failure cause:冷却器堵塞/油泵故障/风扇停转，散热不足温升超标
Damage mechanism：冷却器堵塞、油泵故障或风扇停转，散热不足致绕组热点温升超标
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 60076 — Power transformers · 机理级工程估计，非实测；引用 governing standard 作为分类出处std:IEEE C57.12.00 — IEEE Standard for General Requirements for Liquid-Immersed Distribution, Power, and Regulating 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)
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 60076IEEE C57.12.00
No separate clause reference.
6Derived Analysis (seeded from this FM)
6/3/3FMEA Sev/Occ/Det
0.06RBI λ
0.8Monitor pdet
12 月Insp. int.
Current tasks:冷却器流量/温度监测 | 油泵振动 | 风机巡检
RCFA incident:冷却器/油泵/风扇失效：冷却器堵塞/油泵故障/风扇停转，散热不足温升超标，后果类型 Operational，严重度 6
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; 温度/红外热成像监测, 超温报警与根因排查; 振动频谱分析 + 动平衡 + 激光对中, 状态监测趋势管理; 按压差/效率监测设定清洗周期 + 过滤/防堵维护
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; fouling; overheat; vibration
Governing standardsAPI 530API 571API 670API 684GB/T 14285IEC 60034IEEE C57ISO 10816厂家规范
⚠ 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。