What is K factor and what does it mean regarding transformers?
Issue:
What does it mean to have a transformer that is K rated?
Product Line:
Transformers
Environment:
Class 7400 low voltage transformers
Cause:
Application, features
Resolution:
K-factor is a weighting of the harmonic load currents according to their effects on transformer heating, as derived from ANSI/IEEE C57.110. The higher the K-factor, the greater the harmonic heating effects.
There are many different loads such as computers, solid state devices and motors which cause a non linear load. These type of loads generate harmonic currents that cause transformers and system neutrals to overheat, which can destroy the transformer.
When a non-linear load is supplied from a transformer, K-factor transformers withstand the heating effects of harmonic currents created by these type of loads due to their larger winding coil diameters.
What does it mean to have a transformer that is K rated?
Product Line:
Transformers
Environment:
Class 7400 low voltage transformers
Cause:
Application, features
Resolution:
K-factor is a weighting of the harmonic load currents according to their effects on transformer heating, as derived from ANSI/IEEE C57.110. The higher the K-factor, the greater the harmonic heating effects.
There are many different loads such as computers, solid state devices and motors which cause a non linear load. These type of loads generate harmonic currents that cause transformers and system neutrals to overheat, which can destroy the transformer.
When a non-linear load is supplied from a transformer, K-factor transformers withstand the heating effects of harmonic currents created by these type of loads due to their larger winding coil diameters.
Released for: Schneider Electric Canada
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