MMF sensor

Magnetic potential difference between its ports.

  • signal
  • magnetic
  • Modelica Standard Library
  • 3 ports
BlockMMF sensorKindmmfSensorLibraryMagnetic

Description

Measures the magnetic potential difference between two points. Connect it in parallel; no flux passes through it.

Example

Magnetic circuits A 100-turn winding drives flux through an air gap and a core, next to magnetic sources and a variable reluctance.

1 VGroundR 1 ΩWinding 100 turnsCore fluxAir gapCoreMagnetic groundGap mmfmmf 100 AGround (mmf)R_m signalVariable reluctanceFlux (variable)Ground (variable)50 ASignal mmfGround (signal)Permeance 1 µWb/AFlux (permeance)Ground (permeance)Flux 1 mWbGround (flux)Reluctance 10⁶mmf acrossGround (reluctance)
In Gradara, select a MMF sensor block and press F1, then choose Open example. It opens as a new model in My models, ready to run.

Also in this example:DC voltageStepGroundSine waveResistorReluctancePermeanceVariable reluctanceWindingMagnetic groundMMF sourceControlled MMF sourceFlux sourceFlux sensor

Ports

Outputs 1

  • V_msignal · A

    Magnetic potential difference port_p.V_m − port_n.V_m, in amperes.

Conserving terminals 2

  • +port_pmagnetic

    Positive magnetic port.

  • −port_nmagnetic

    Negative magnetic port.

Equations

Modelica
V_m = port_p.V_m − port_n.V_m
port_p.Φ = 0

Implementation

Modelica Standard Library 4.1.0Modelica.Magnetic.FluxTubes.Sensors.MagneticPotentialDifferenceSensor
MSL documentation

See also

Select a block in Gradara and press F1 to open its page offline.