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

Inherits from

Descendant classes

  • No 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
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.
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.