ShortCircuitTest

Class Description

Short-circuit test results determine mesh impedance parameters. They include load losses and leakage impedances. For three-phase windings, the excitation can be a positive sequence (the default) or a zero sequence. There shall be at least one grounded winding.

Attributes

Name	Type	Description
current	CurrentFlow	Short circuit current..
energisedEndStep	Integer	Tap step number for the energised end of the test pair.
groundedEndStep	Integer	Tap step number for the grounded end of the test pair.
leakageImpedance	Impedance	Leakage impedance measured from a positive-sequence or single-phase short-circuit test.
leakageImpedanceZero	Impedance	Leakage impedance measured from a zero-sequence short-circuit test.
loss	KiloActivePower	Load losses from a positive-sequence or single-phase short-circuit test.
lossZero	KiloActivePower	Load losses from a zero-sequence short-circuit test.
power	ApparentPower	Short circuit apparent power.
voltage	PerCent	Short circuit voltage..

Relationships

Ancestors

• TransformerTest

Descendents

No descendent classes

Associations

Source Class	Source Cardinality	Target	Target Cardinality	Source Name	Source Assoc. Description	Target Name	Target Assoc. Description
ShortCircuitTest	0..*	TransformerEndInfo	1..*	GroundedEndShortCircuitTests	All short-circuit test measurements in which this transformer end was short-circuited.	GroundedEnds	All ends short-circuited in this short-circuit test.
ShortCircuitTest	0..*	TransformerEndInfo	1	EnergisedEndShortCircuitTests	All short-circuit test measurements in which this transformer end was energised.	EnergisedEnd	Transformer end that voltage is applied to in this short-circuit test. The test voltage is chosen to induce rated current in the energised end.