MCMFS - Multi-Core (AC) Magnetic Field Simulation

A Jupyter Notebook based simulation tool to estimate magnetic fields in a multi-core cable.

Usage

Import

from mcmfs.cable_simulation import Simulation

Create simulation object

s = Simulation()

Creates the main simulation object with default parameter:

• fs: Sampling frequency [Samples/Sec] (default=3600)
• f0: Base frequency [Hz] (default=50)
• z: Number of periods to simulate [-] (default=5)
• res: Resolution of the mesh-grid [m] (default=2e-4)
  • This parameter does not affect the accuracy of the simulation but only the visualization
• d: Outer diameter of the whole conductor [m] (default=11e-3)

Define the cable by position and size of conductors

All values in Meter

s.add_L1(diam=1.74e-3, pos_x=-0.422e-3, pos_y=3.016e-3)
s.add_L2(diam=1.74e-3, pos_x=2.328e-3, pos_y=-1.568e-3)
s.add_L3(diam=1.74e-3, pos_x=-2.514e-3, pos_y=0.552e-3)
s.add_N(diam=1.74e-3, pos_x=2.529e-3, pos_y=1.698e-3)
s.add_PE(diam=1.74e-3, pos_x=-0.938e-3, pos_y=-2.113e-3)

Set current and voltages

Current values in Ampere, voltages in Volt and phase shift in Degree

s.set_L1_I(A1=1, A3=0, A5=0, A7=0, Shift=0, Phi1=0, Phi3=0, Phi5=0, Phi7=0)
s.set_L1_V(A1=230, A3=0, A5=0, A7=0, Shift=0, Phi1=0, Phi3=0, Phi5=0, Phi7=0)

s.set_L2_I(A1=1, A3=0, A5=0, A7=0, Shift=-120, Phi1=0, Phi3=0, Phi5=0, Phi7=0)
s.set_L2_V(A1=230, A3=0, A5=0, A7=0, Shift=-120, Phi1=0, Phi3=0, Phi5=0, Phi7=0)

s.set_L3_I(A1=1, A3=0, A5=0, A7=0, Shift=120, Phi1=0, Phi3=0, Phi5=0, Phi7=0)
s.set_L3_V(A1=230, A3=0, A5=0, A7=0, Shift=120, Phi1=0, Phi3=0, Phi5=0, Phi7=0)

Add Sensors

s.add_sensors(n=8)

Run Simulation

s.run()