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

Inherits from

Descendant classes

Leaf/Root class

IsLeaf IsRoot
False False

Associations

Source Class Cardinality Source Target Class Cardinality Target Source Name Source Assoc. Description Target Name Target Assoc. Description
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..* ProtectedSwitch 0..* OperatedByProtectionEquipment Protection equipments that operate this ProtectedSwitch. ProtectedSwitches Protected switches operated by this ProtectionEquipment.
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.