QuickField

A new approach to field modelling

Main >> Applications >> Sample problems

Saturable reactor

non-linear ferromagnetic saturation, direct electric current magnetic field, multiphysics analysis

The AC reactor features a magnetic core that can be deliberately saturated by means of a direct electric current in a control winding. Calculate the reactor inductance for a set of operating currents.

Problem Type
A plane-parallel multiphysics problem of DC magnetics coupled to AC magnetics.

Geometry

Saturable reactor model

Given
AC winding current value I~ = 300 A;
AC winding number of turns n = 300;
Frequency f = 50 Hz;
Control DC current density j_ = 0.. 4 A/mm²;
Magnetic permeability of the steel core:

Task
Calculate the reactor inductance for a set of operating currents.

Solution
DC magnetic field is calculated with DC Magnetics module of QuickField. AC magnetic field is calculated with AC Magnetics module of QuickField. In order to take saturation into account the link from DC to AC is added. The link transfers the steel core magnetic permeability distribution from one problem to another.
Series of problems were calculated for a number of control currents.

Results

Control DC current
j_, A/mm²
Reactor coil inductance
L~ [H]
0 0.3
2 0.16
4 0.1

Saturable reactor field

  • View simulation report in PDF
  • Download simulation files (files may be viewed using any QuickField Edition).
  • New version QuickField 6.5

    Product
    Order
    Evaluation request
    Editions
    Version history
    Packages
    Components
    Programming
    Consulting

    Applications
    Industrial
    Educational
    Scientific
    Sample problems
    Success stories
    Customers

    Support
    Webinars
    Virtual Classroom
    Online courses
    Customer login
    Glossary
    QuickField help
    FAQ

    Downloads
    QuickField Student Edition
    User manual
    Data Libraries
    Video
    Free tools

    News
    Product News
    Events
    Publications
    Subscription

    Contacts
    Tera Analysis info
    Resellers
    Contact us
    Online chat
    About us