: Public Class
Created: 15/03/2012 01:26:39
Modified: 22/02/2013 14:43:38
Project:
Advanced:
The electrical equations of all variations of the asynchronous model are based on the AsynchronousEquivalentCircuit diagram for the direct and quadrature axes, with two equivalent rotor windings in each axis.  <br/><br/><b>Equations for conversion between Equivalent Circuit and Time Constant Reactance forms:</b><br/><b>Xs</b> = <b>Xm</b> + <b>Xl</b><br/><b>X'</b> = <b>Xl</b> + <b>Xm</b> * <b>Xlr1</b> / (<b>Xm</b> + <b>Xlr1</b>)<br/><b>X''</b> = <b>Xl</b> + <b>Xm</b> * <b>Xlr1</b>* <b>Xlr2</b> / (<b>Xm</b> * <b>Xlr1</b> + <b>Xm</b> * <b>Xlr2</b> + <b>Xlr1</b> * <b>Xlr2</b>)<br/><b>T'o</b> = (<b>Xm</b> + <b>Xlr1</b>) / (<b>omega</b><b><sub>0</sub></b> * <b>Rr1</b>)<br/><b>T''o</b> = (<b>Xm</b> * <b>Xlr1</b> + <b>Xm</b> * <b>Xlr2</b> + <b>Xlr1</b> * <b>Xlr2</b>) / (<b>omega</b><b><sub>0</sub></b> * <b>Rr2</b> * (<b>Xm </b>+ <b>Xlr1</b>)<br/><b><br/></b>Same equations using CIM attributes from AsynchronousMachineTimeConstantReactance class on left of = sign and AsynchronousMachineEquivalentCircuit class on right (except as noted):<br/>xs = xm + RotatingMachineDynamics.statorLeakageReactance<br/>xp = RotatingMachineDynamics.statorLeakageReactance + xm * xlr1 / (xm + xlr1)<br/>xpp = RotatingMachineDynamics.statorLeakageReactance + xm * xlr1* xlr2 / (xm * xlr1 + xm * xlr2 + xlr1 * xlr2)<br/>tpo = (xm + xlr1) / (2*pi*nominal frequency * rr1)<br/>tppo = (xm * xlr1 + xm * xlr2 + xlr1 * xlr2) / (2*pi*nominal frequency * rr2 * (xm + xlr1).<br/>
Attribute
Public PU
  rr1
Details:
Notes: Damper 1 winding resistance.<br/>
Public PU
  rr2
Details:
Notes: Damper 2 winding resistance.<br/>
Public PU
  xlr1
Details:
Notes: Damper 1 winding leakage reactance.<br/>
Public PU
  xlr2
Details:
Notes: Damper 2 winding leakage reactance.<br/>
Public PU
  xm
Details:
Notes: Magnetizing reactance.<br/>
Object Type Connection Direction Notes
AsynchronousMachineDynamics Class Generalization To