Class Description
An electrical device designed to respond to input conditions in a prescribed manner and after specified conditions are met to cause contact operation or similar abrupt change in associated electric control circuits, or simply to display the detected condition. Protection equipment is associated with conducting equipment and usually operate circuit breakers.
Attributes
| Name | Type | Description |
|---|
| highLimit | Float | The maximum allowable value. |
| lowLimit | Float | The minimum allowable value. |
| powerDirectionFlag | Boolean | Direction same as positive active power flow value. |
| relayDelayTime | Seconds | The time delay from detection of abnormal conditions to relay operation. |
| unitMultiplier | UnitMultiplier | The unit multiplier of the value. |
| unitSymbol | UnitSymbol | The unit of measure of the value. |
Relationships
Ancestors
Descendents
Associations
| Source Class | Source Cardinality | Target | Target Cardinality | Source Name | Source Assoc. Description | Target Name | Target Assoc. Description |
|---|
| ProtectionEquipment | 0..* | ProtectedSwitch | 0..* | OperatedByProtectionEquipment | Protection equipments that operate this ProtectedSwitch. | ProtectedSwitches | Protected switches operated by this ProtectionEquipment. |
| ProtectionEquipment | 0..* | ConductingEquipment | 0..* | ProtectionEquipments | Protection equipment used to protect specific conducting equipment. | ConductingEquipments | Protection equipment may be used to protect specific conducting equipment. |
| ProtectionEquipment | 0..1 | ProtectiveAction | 0..* | ProtectionEquipment | | ProtectiveAction | Protective action can emulate the action done by one or more protection equipment. In a node breaker model were protective equipment is model this association will be used. |