#### 7.2.4.32 Pset_ProtectiveDeviceTrippingCurve

PSET_TYPEDRIVENOVERRIDE / IfcProtectiveDevice

| Tripping curves are applied to thermal, thermal magnetic or MCB_RCD tripping units (i.e. tripping units having type property sets for thermal, thermal magnetic or MCB_RCD tripping defined). They are not applied to electronic tripping units.
| プロパティセット定義文 熱、熱磁気またはMCB_RCDトリップ装置のトリップ曲線 （例えば、トリッピング装置は、熱,熱電磁,MCB_RCDのトリッピング定義されたプロパティセットタイプを持っている） これらは、電子トリッピング装置に適用されない。

buildingSMART Data Dictionary

PSD-XML

- TrippingCurveType
  P_ENUMERATEDVALUE / IfcLabel / PEnum_TrippingCurveType: UPPER, LOWER, OTHER, NOTKNOWN, UNSET

  | TrippingCurveType: The type of tripping curve that is represented by the property set.
  | 動作特性曲線のタイプ: 動作特性曲線のタイプを指定。
  | 동작 특성 곡선의 유형: 동작 특성 곡선의 유형을 지정합니다.

- TrippingCurve
  P_TABLEVALUE / IfcElectricCurrentMeasure / IfcTimeMeasure

  | TrippingCurve: A curve that establishes the release time of a tripping unit when a particular prospective current is applied. Note that the tripping curve is defined within a Cartesian coordinate system and this fact must be asserted within the property set: (1) Defining value is the Prospective Current which is a list of minimum 2 and maximum 16 numbers providing the currents in [x In] for points in the current/time log/log coordinate space. The curve is drawn as a straight line between two consecutive points. (2) Defined value is a list of minimum 2 and maximum 16 numbers providing the release_time in [s] for points in the current/time log/log coordinate space. The curve is drawn as a straight line between two consecutive points. Note that a defined interpolation.
  | 動作特性曲線: (1)電流/時間の位置[x In]で示される2～16の想定される電流値を定義する。 (2)定義された値は、電流/時間の位置[ｓ]で示される2～16の想定される放電時間。
  | 동작 특성 곡선: (1) 전류 / 시간 위치 [x In에서 나타나는 2 ~ 16 예상되는 전류 값을 정의한다. (2) 정의된 값은 전류 / 시간 위치 [s]로 표시되는 2 ~ 16 예상되는 방전 시간.

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