: Public Class
Created: |
03/15/2012 01:25:39 AM |
Modified: |
06/24/2012 03:35:04 PM |
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Project: |
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Author: |
ppbr003 |
Version: |
1.0 |
Phase: |
1.0 |
Status: |
Proposed |
Complexity: |
Easy |
Difficulty: |
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Priority: |
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Multiplicity: |
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Advanced: |
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UUID: |
{964B510D-3EF1-47fb-A065-3523F044E755} |
Appears In: |
AsynchronousMachineDynamics |
<b>Parameter Notes:</b><br /></p><p><ol><li>If <b>X''</b> = <b>X'</b>, a single cage (one equivalent rotor winding per axis) is modeled.</li><br /></p><p><li>The “p” in the attribute names is a substitution for a “prime” in the usual parameter notation, e.g. tpo refers to T'o.</li><br /></p><p></ol><br /></p><p><b>Equations for conversion between Equivalent Circuit and Time Constant Reactance forms:</b><br /></p><p><b>Xs</b> = <b>Xm</b> + <b>Xl</b><br /></p><p><b>X'</b> = <b>Xl</b> + <b>Xm</b> * <b>Xlr1</b> / (<b>Xm</b> + <b>Xlr1</b>)<br /></p><p><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 /></p><p><b>T'o</b> = (<b>Xm</b> + <b>Xlr1</b>) / (<b>wo</b> * <b>Rr1</b>)<br /></p><p><b>T''o</b> = (<b>Xm</b> * <b>Xlr1</b> + <b>Xm</b> * <b>Xlr2</b> + <b>Xlr1</b> * <b>Xlr2</b>) / (<b>wo</b> * <b>Rr2</b> * (<b>Xm </b>+ <b>Xlr1</b>)<br /></p><p><b><br /></p><p></b>Same equations using CIM attributes from TimeConstantReactance class on left of = sign and EquivalentCircuit class on right (except as noted):<br /></p><p>xs = xm + RotatingMachine.statorLeakageReactance<br /></p><p>xp = RotatingMachine.statorLeakageReactance + xm * xlr1 / (xm + xlr1)<br /></p><p>xpp = RotatingMachine.statorLeakageReactance + xm * xlr1* xlr2 / (xm * xlr1 + xm * xlr2 + xlr1 * xlr2)<br /></p><p>tpo = (xm + xlr1) / (?? * rr1)<br /></p><p>tppo = (xm * xlr1 + xm * xlr2 + xlr1 * xlr2) / (?? * rr2 * (xm + xlr1).<br /></p>