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RatioTapChanger

A tap changer that changes the voltage ratio impacting the voltage magnitude but not the phase angle across the transformer.Angle sign convention (general): Positive value indicates a positive phase shift from the winding where the tap is located to the other winding (for a two-winding transformer).

URI: cim:RatioTapChanger
Type: Class

%%{init: {'theme':'base','themeVariables': {'lineColor': '#FF0000'}}}%%
classDiagram
    class RatioTapChanger
    click RatioTapChanger href "/Models/Profiles/Equipment/ConcreteClasses/RatioTapChanger/"
    style RatioTapChanger fill:#102820,stroke:#333,stroke-width:2px,rx:10,ry:10,color:white

        TapChanger <|-- RatioTapChanger : inherits
            click TapChanger href "/Models/Profiles/Equipment/AbstractClasses/TapChanger/"
            style TapChanger fill:#8F9779,stroke:#333,stroke-width:2px,rx:10,ry:10,color:white

        PowerSystemResource <|-- TapChanger : inherits
            click PowerSystemResource href "/Models/Profiles/Equipment/AbstractClasses/PowerSystemResource/"
            style PowerSystemResource fill:#8F9779,stroke:#333,stroke-width:2px,rx:10,ry:10,color:white

        IdentifiedObject <|-- PowerSystemResource : inherits
            click IdentifiedObject href "/Models/Profiles/Equipment/AbstractClasses/IdentifiedObject/"
            style IdentifiedObject fill:#8F9779,stroke:#333,stroke-width:2px,rx:10,ry:10,color:white

        RatioTapChanger --> TransformerEnd : RatioTapChanger.TransformerEnd

        TransformerEnd
            click TransformerEnd href "/Models/Profiles/Equipment/AbstractClasses/TransformerEnd/"
            style TransformerEnd fill:#A52A2A,stroke:#333,stroke-width:2px,rx:10,ry:10,color:white
        PowerSystemResource --> AssetInfo : PowerSystemResource.AssetDataSheet

        AssetInfo : Not defined in profile

        AssetInfo
            style AssetInfo fill:#A9A9A9,stroke:#333,stroke-width:2px,rx:10,ry:10,color:white

        RatioTapChanger --> TransformerControlMode : RatioTapChanger.tculControlMode

        TransformerControlMode
            click TransformerControlMode href "/Models/Profiles/Equipment/Enumerations/TransformerControlMode/"
            style TransformerControlMode fill:#4D2D18,stroke:#333,stroke-width:2px,rx:10,ry:10,color:white
        PowerSystemResource --> LocationMethodKind : PowerSystemResource.locationMethodKind

        LocationMethodKind
            click LocationMethodKind href "/Models/Profiles/Equipment/Enumerations/LocationMethodKind/"
            style LocationMethodKind fill:#4D2D18,stroke:#333,stroke-width:2px,rx:10,ry:10,color:white

        RatioTapChanger : RatioTapChanger.stepVoltageIncrement
        RatioTapChanger : RatioTapChanger.tculControlMode
        RatioTapChanger : RatioTapChanger.TransformerEnd
        TapChanger : TapChanger.highStep
        TapChanger : TapChanger.lowStep
        TapChanger : TapChanger.ltcFlag
        TapChanger : TapChanger.neutralStep
        TapChanger : TapChanger.neutralU
        TapChanger : TapChanger.normalStep
        PowerSystemResource : PowerSystemResource.locationMethodKind
        PowerSystemResource : PowerSystemResource.AssetDataSheet
        IdentifiedObject : IdentifiedObject.mRID
        IdentifiedObject : IdentifiedObject.description
        IdentifiedObject : IdentifiedObject.name

Inheritance

Attributes

Name URI Cardinality and Range Description Inheritance
stepVoltageIncrement cim:RatioTapChanger.stepVoltageIncrement 0..1 PerCent Tap step increment, in per cent of rated voltage of the power transformer end, per step position.When the increment is negative, the voltage decreases when the tap step increases. direct
tculControlMode cim:RatioTapChanger.tculControlMode 0..1 TransformerControlMode Specifies the regulation control mode (voltage or reactive) of the RatioTapChanger. direct
TransformerEnd cim:RatioTapChanger.TransformerEnd 0..1 TransformerEnd Transformer end to which this ratio tap changer belongs. direct
highStep cim:TapChanger.highStep 0..1 integer Highest possible tap step position, advance from neutral.The attribute shall be greater than lowStep. TapChanger
lowStep cim:TapChanger.lowStep 0..1 integer Lowest possible tap step position, retard from neutral. TapChanger
ltcFlag cim:TapChanger.ltcFlag 0..1 boolean Specifies whether or not a TapChanger has load tap changing capabilities. TapChanger
neutralStep cim:TapChanger.neutralStep 0..1 integer The neutral tap step position for this winding.The attribute shall be equal to or greater than lowStep and equal or less than highStep.It is the step position where the voltage is neutralU when the other terminals of the transformer are at the ratedU. If there are other tap changers on the transformer those taps are kept constant at their neutralStep. TapChanger
neutralU cim:TapChanger.neutralU 0..1 Voltage Voltage at which the winding operates at the neutral tap setting. It is the voltage at the terminal of the PowerTransformerEnd associated with the tap changer when all tap changers on the transformer are at their neutralStep position. Normally neutralU of the tap changer is the same as ratedU of the PowerTransformerEnd, but it can differ in special cases such as when the tapping mechanism is separate from the winding more common on lower voltage transformers.This attribute is not relevant for PhaseTapChangerAsymmetrical, PhaseTapChangerSymmetrical and PhaseTapChangerLinear. TapChanger
normalStep cim:TapChanger.normalStep 0..1 integer The tap step position used in normal network operation for this winding. For a Fixed tap changer indicates the current physical tap setting.The attribute shall be equal to or greater than lowStep and equal to or less than highStep. TapChanger
locationMethodKind nc-no:PowerSystemResource.locationMethodKind 0..1 LocationMethodKind Possible methods to derive geographical location. PowerSystemResource
AssetDataSheet cim:PowerSystemResource.AssetDataSheet 0..1 AssetInfo Datasheet information for this power system resource. PowerSystemResource
mRID cim:IdentifiedObject.mRID 0..1 string Master resource identifier issued by a model authority. The mRID is unique within an exchange context. Global uniqueness is easily achieved by using a UUID, as specified in RFC 4122, for the mRID. The use of UUID is strongly recommended.For CIMXML data files in RDF syntax conforming to IEC 61970-552, the mRID is mapped to rdf:ID or rdf:about attributes that identify CIM object elements. IdentifiedObject
description cim:IdentifiedObject.description 0..1 string The description is a free human readable text describing or naming the object. It may be non unique and may not correlate to a naming hierarchy. IdentifiedObject
name cim:IdentifiedObject.name 0..1 string The name is any free human readable and possibly non unique text naming the object. IdentifiedObject

Schema Source

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