julia kraus

These calculators can useful when designing or analysing electric machines.

Motor and Inverter Voltages




$U_{DC}=$
$U_{lim,SS}=$
$U_{lim,block}=$
$U_{\Delta,pp}=$
$\hat{U}_{\Delta}= $
$U_{\Delta,rms}=$
$U_{ph,pp}= $
$\hat{U}_{ph}= $
$U_{ph,rms}= $
$U_{\Delta,pp}=$
$\hat{U}_{\Delta}= $
$U_{\Delta,rms}=$
$U_{ph,pp}= $
$\hat{U}_{ph}= $
$U_{ph,rms}= $
DC link voltage:
Limit for Sine output:
Limit for Block:
$U_{DC}$
$U_{lim,SS}=\sqrt{3}*U_{DC}$
$U_{lim,block}=\frac{2}{3}*U_{DC}$
Voltage Phase to phase, peak to peak
Voltage Phase to phase, amplitude
Voltage Phase to phase, RMS
$U_{\Delta,pp}=2U_{DC}$
$\hat{U}_{\Delta}=U_{DC}$
$U_{\Delta,rms}=\frac{1}{\sqrt{2}}U_{DC}$
Voltage Phase, peak to peak
Voltage Phase, amplitude
Voltage Phase, RMS
$U_{ph,pp}=\frac{2}{\sqrt{3}}U_{DC}$
$\hat{U}_{ph}=\frac{1}{\sqrt{3}}U_{DC}$
$U_{ph,rms}=\frac{1}{\sqrt{2}\sqrt{3}}U_{DC}$
$U_{\Delta,pp,1}=$
$\hat{U}_{\Delta,1}= $
$U_{\Delta,rms,1}=$
$U_{ph,pp}= $
$\hat{U}_{ph}= $
$U_{ph,rms}= $

Converter from mechanical speed to electrical frequency