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Equipment TX-101 FM winding_mechanical_displacement ISO 14224 mode Winding mechanical displacement Winding mechanical displacement Source synthetic + standards-based engineering estimate (ISO 14224 / IEC 61800 / IEEE C57 框架归类)
绕组机械位移/变形（短路电动力）
TX-101 · Power Transformer
Related equipment → TX-101
0.82Source conf.
—Evidence conf.
Winding mechanical displacementISO 14224 mode
1Failure Mechanism

Function:承受电磁力并传输能量

Failure cause:短路电动力使绕组轴向/辐向位移，匝间短路风险

Damage mechanism：系统短路电动力使绕组轴向/辐向位移、垫块松动，匝间短路风险升高

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 60076-5 — Power transformers — Ability to withstand short-circuit · 机理级工程估计，非实测；引用 governing standard 作为分类出处
  • std:IEEE C57.12.90 — IEEE Standard Test Code 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)
NUREG-LER-1997-032-INDIANPOINT3NUREG-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 60076-5IEEE C57.12.90

No separate clause reference.

6Derived Analysis (seeded from this FM)
8/2/2FMEA Sev/Occ/Det
0.03RBI λ
0.6Monitor pdet
24 月Insp. int.

Current tasks:短路承受能力评估 | 绕组频响 FRA 测试 | 阻抗监测

RCFA incident:绕组机械位移/变形（短路电动力）：短路电动力使绕组轴向/辐向位移，匝间短路风险，后果类型 Operational/Safety，严重度 8

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; 沉降/变形观测 + 支撑/基础评估
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=deformation; electrical
Governing standards
API 579API 653GB/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 winding_mechanical_displacement · 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.