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Resistor

Ideal linear electrical resistor

Modelica Standard Library

	Description
	The Resistor component models a constant, linear electrical resistor with an optional heat port and temperature dependency. The resistance is allowed to be positive, zero, or negative.

	Equations
	$i = i_{p} = - i_{n}$ $v = v_{p} - v_{n} = R_{actual} i$ $R_{actual} = R (1 + α (T_{res} - T_{ref}))$ $T_{res} = {\begin{array}{c} T_{heatPort} & Use Heat Port \\ T & otherwise \end{array}$ $LossPower = v i$

Variables

Name	Units	Description	Modelica ID
$v$	$V$	Voltage drop across the resistor	v
$v_{x}$	$V$	Voltage at pin $x$ , $x \in \{n, p\}$	x.v
$i$	$A$	Current flowing from pin $p$ to pin $n$	i
$i_{x}$	$A$	Current into pin $x$ , $x \in \{n, p\}$	x.i
$LossPower$	$W$	Loss power leaving component via HeatPort	LossPower
$T_{heatPort}$	$K$	Temperature of HeatPort	T_heatPort
$R_{actual}$	$Ω$	Actual resistance	R_actual

Connections

Name	Description	Modelica ID
$p$	Positive pin	p
$n$	Negative pin	n
$Heat Port$	Conditional heat port	heatPort

Parameters

Name	Default	Units	Description	Modelica ID
$R$	$1$	$Ω$	Resistance	R
$T$	$T_{ref}$	$K$	Fixed device temperature if Use Heat Port is false	T
$T_{ref}$	$300.15$	$K$	Reference temperature	T_ref
$α$	$0$	$\frac{1}{K}$	Temperature coefficient of resistance	alpha
Use Heat Port	$false$		True (checked) means heat port is enabled	useHeatPort

	Modelica Standard Library
	The component described in this topic is from the Modelica Standard Library. To view the original documentation, which includes author and copyright information, click here.

See Also

Analog Components

Electrical Library

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