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Справка Scilab >> Xcos > palettes > Electrical palette > Diode

Diode

Electrical diode

Block Screenshot

Description

This component consists of a simple diode parallel with an ohmic resistance (R). The current (I) passing through this component is defined as a function of the voltage across the ports (V):

where Ids and Vt are the saturation current and the voltage equivalent of temperature, respectively. If the exponent reaches a certain limit (Max exponent for linear continuation), the diode characteristic becomes linear to avoid overflow.

Dialog box

  • Saturation current (A)

    Saturation current

    Properties : Type 'vec' of size 1.

  • Voltage equivalent to temperature (Volt)

    Voltage equivalent of temperature

    Properties : Type 'vec' of size 1.

  • Max exponent for linear continuation

    Max exponent for linear continuation

    Properties : Type 'vec' of size 1.

  • R (ohm)

    Parallel ohmic resistance.

    Properties : Type 'vec' of size 1.

Default properties

  • Inputs :

    • Modelica variable name : 'p'

      Implicit variable.

  • Outputs :

    • Modelica variable name : 'n'

      Implicit variable.

  • Parameters :

    • Modelica parameter name : 'Ids'

      Default value : 0.000001

      Is a state variable : no.

    • Modelica parameter name : 'Vt'

      Default value : 0.04

      Is a state variable : no.

    • Modelica parameter name : 'Maxexp'

      Default value : 15

      Is a state variable : no.

    • Modelica parameter name : 'R'

      Default value : 1.000E+08

      Is a state variable : no.

  • File name of the model : Diode

Interfacing function

  • SCI/modules/scicos_blocks/macros/Electrical/Diode.sci

Modelica model

  • SCI/modules/scicos_blocks/macros/Electrical/Diode.mo

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Last updated:
Thu Oct 02 14:01:12 CEST 2014