Split busbars unbalance current - QuickField simulation example
Example is prepared by Ivan De Luca (I.E.C.I. Engineering srl.)
Busbar system is used to supply the electric current from the transformer to the glass melting electric furnace. Extensive study is required to design the most effective busbar system and minimize power losses.
How to find current imbalance in split busbars?
Answer Typical applications Geometry
CBAABC configuration:
ABCABC configuration:
Given
Task
Solution
Results
Current and power loss distribution in the CBAABC configuration.
Engineering question
Set up a plane-parallel QuickField AC Magnetics problem for split busbars and evaluate current imbalance from computed field results.
split furnace busbars, parallel conductor busbars, industrial busbar assemblies
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Simulation problem
Problem Type
Plane-parallel problem of AC magnetics.
Busbars length is 30 meters.
Electrical conductivity of aluminum is 33.5 MS/m
AC current is 1 kA (r.m.s.) per pair of busbars.
Frequency is 50 Hz.
Calculate current distribution in the busbars and power losses. Compare ABCABC and CBAABC configurations.
Parallel conductors are being assigned a single label and parallel connection is specified in the label properties.
We utilize the electric circuit to specify labels connection.
Current is distributed more uniformly in the CBAABC than in the ABCABC configuration.