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Equipment AGI-101
FM agi_speed_ctrl_fail
ISO 14224 mode M M
Source engineering_estimate
调速/变频控制失效
AGI-101 · Agitator
Related equipment → AGI-101
0.82Source conf.
—Evidence conf.
MISO 14224 mode
1Failure Mechanism
Function:调节转速
Failure cause:变频器/调速器故障致转速失控或停转
Damage mechanism：变频器故障致转速失控
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:IEC 61800-5-1 — Adjustable speed electrical power drive systems — Safety requirements · 机理级工程估计，非实测；引用 governing standard 作为分类出处std:IEC 61800-3 — Adjustable speed electrical power drive systems — EMC requirements · 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 1 real accident investigation(s); tap the report no. to open the corresponding accident lesson card.
5Applicable Standards & Clauses
IEC 61800-5-1IEC 61800-3
No separate clause reference.
6Derived Analysis (seeded from this FM)
7/3/4FMEA Sev/Occ/Det
0.04RBI λ
0.8Monitor pdet
6 月Insp. int.
Current tasks:控制回路校验
RCFA incident:调速/变频控制失效：变频器/调速器故障致转速失控或停转，后果类型 Operational，严重度 7
7RCM Maintenance Decision (strategy landing)
CBMOn-Condition Maintenance
Recommended task壁厚/型线超声测厚 + 耐磨层状态检查, 视情修复或涂层; 标定/零点-跨度校验 + SIL Proof test + 阀门行程试验 + 变更管理
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=erosion; instrument
Governing standardsAPI 510API 570API 581GB/T 21109IEC 61511ISA 84
⚠ 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。