# 数据契约 — 华创 CCWE-2000103.D 2MW (甘一风电场·大唐四川, 双OEM之华创)
# schema: docs/OEM_KB §3. oem-onboard 2026-07-09. 疑直驱(无齿轮箱/主轴/定子温度列, 仅发电机轴承).
meta:
  oem: 华创风能 CCWE
  model: "CCWE-2000103.D (2MW; 温度列签名=直驱 — 仅发电机轴承+机舱, 无齿箱油/主轴/定子)"
  topology: direct_drive_suspect
  rated_kw: 2000
  farm_code: "ganyi_huachuang"
  source_farm: 甘一风电场(赛果乐) 华创机 17台 ('华创风机数据' 台号如1201F-29)
  turbine_count: 17
  data_layers:
    min_10min: "甘一10分钟SCADA数据/华创风机数据 6 xlsx(6时窗). 48列 max/avg/min, 用-平均. 全年2025-05~2026-05"
  sampling: {min_s: 600}
  provenance: "oem-onboard 2026-07-09; 双OEM场华创侧; 温度列仅发电机轴承/Z1/Z2(直驱签名)"

turbine:
  required: [P, ws]
  columns:
    P: {canonical_id: WAPC_active_power, unit: kW, valid_range: [-300, 2300]}
    ws: {canonical_id: WMET_wind_speed_nacelle, unit: m/s, valid_range: [0, 45], self_ref_risk: true}
    rotor: {canonical_id: WROT_rotor_speed, unit: rpm, valid_range: [-1, 25], note: "源列=发电机转速1-平均 (直驱同轴=转子转速); 实测p50 8.87/p99 16.0 (2026-07-11); 与叶轮转速列corr=.974 |差|p50=.0035互证"}
    amb: {canonical_id: WMET_ambient_temp, unit: degC, valid_range: [-40, 55]}
    gen_brg: {canonical_id: WGEN_bearing_temp, unit: degC, valid_range: [-40, 150], note: "发电机轴承温度-平均"}
    gen_brg_z1: {canonical_id: WGEN_bearing_z1_temp, unit: degC, valid_range: [-40, 150], note: "发电机轴承Z1温度-平均"}
    gen_brg_z2: {canonical_id: WGEN_bearing_z2_temp, unit: degC, valid_range: [-40, 150], note: "发电机轴承Z2温度-平均"}

cleaning:
  physical:
    - "温度界外(<-50 ∨ >250)→NaN; 风速>45剔; 功率界外→NaN"
  semantic:
    - "s_gen 派生: P>50"

traps:
  - "★直驱签名: 无齿箱油/主轴/定子温度列(vs东汽齿箱系) → 健康信号仅发电机轴承(Z1/Z2配对可做DE-NDE差)"
  - "★同场东汽双OEM: 别混契约; 华创台号'华创风机数据'文件"
  - "★转速列选型(2026-07-11定谳): rotor取'发电机转速1-平均'非'叶轮转速-平均' — 叶轮列低速段截止读0(发电态==0占7.4%, 全窗p50仅0.185骗人), 发电机1列活且直驱同轴语义等价(corr=.974); 勿换回叶轮列"