Changeset 505

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Timestamp:
06/08/2007 09:51:48 AM (19 months ago)
Author:
AHaumer
Message:

documentation update

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1 modified

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  • Modelica/trunk/Modelica/Electrical/Machines.mo

    r459 r505  
    22  extends Modelica.Icons.Library2; 
    33  annotation ( 
    4   version="1.8.2", versionDate="2007-01-15", 
     4  version="1.8.3", versionDate="2007-06-08", 
    55  Settings(NewStateSelection=true, Evaluate=true), 
    66  preferedView="info", Documentation(info="<HTML> 
    7 <p> 
    87This package contains components to model electrical machines: 
    98<ul> 
     
    1413<li>Interfaces: Space phasor connector and partial machine models</li> 
    1514</ul> 
    16 </p> 
    17 <p> 
    1815<b>Limitations and assumptions:</b> 
    1916<ul> 
     
    2724    only ohmic losses in stator and rotor winding</li> 
    2825</ul> 
     26<p> 
    2927You may have a look at a short summary of space phasor theory at <a href=\"http://www.haumer.at/refimg/SpacePhasors.pdf\">http://www.haumer.at/refimg/SpacePhasors.pdf</a> 
    3028</p> 
    31 <p> 
    3229<b>Further development:</b> 
    3330<ul> 
     
    3734<li>effects: saturation, skin-effect, other losses than ohmic, ...</li> 
    3835</ul> 
    39 </p> 
    40 <p> 
    4136<dl> 
    4237  <dt><b>Main Authors:</b></dt> 
     
    4843  </dd> 
    4944</dl> 
    50 </p> 
    5145<p> 
    52 Copyright &copy; 1998-2006, Modelica Association and Anton Haumer. 
     46Copyright &copy; 1998-2007, Modelica Association and Anton Haumer. 
    5347</p> 
    5448<p> 
     
    117111  <li> v1.8.2 2007/01/15 Anton Haumer<br> 
    118112       resolved a bug in electrical excited synchronous induction machine</li> 
     113  <li> v1.8.3 2007/06/08 Anton Haumer<br> 
     114       documentation update</li> 
    119115  </ul> 
    120116</HTML>"), 
     
    151147    extends Modelica.Icons.Library2; 
    152148    annotation (Documentation(info="<HTML> 
    153 <p> 
    154149This package contains test examples of electric machines,<br> 
    155150and a package utilities with components used for the examples. 
    156 </p> 
    157  
    158151</HTML>", revisions="<HTML> 
    159152<dl> 
    160 <p> 
    161153  <dt><b>Main Authors:</b></dt> 
    162154  <dd> 
     
    166158  email: <a href=\"mailto:a.haumer@haumer.at\">a.haumer@haumer.at</a> 
    167159  </dd> 
    168 </p> 
    169 <p> 
    170160  <dt><b>Copyright:</b></dt> 
    171   <dd>Copyright &copy; 1998-2006, Modelica Association and Anton Haumer.<br> 
     161  <dd>Copyright &copy; 1998-2007, Modelica Association and Anton Haumer.<br> 
    172162  <i>The Modelica package is <b>free</b> software; it can be redistributed and/or modified 
    173163  under the terms of the <b>Modelica license</b>, see the license conditions 
    174164  and the accompanying <b>disclaimer</b> in the documentation of package 
    175165  Modelica in file \"Modelica/package.mo\".</i></dd> 
    176 </p> 
    177166</dl> 
    178  
    179167  <ul> 
    180168  <li> v1.00 2004/09/16 Anton Haumer</li> 
     
    222210          doublePrecision=true), 
    223211        Documentation(info="<HTML> 
    224 <p> 
    225212<b>1st Test example: Asynchronous induction Machine with squirrel cage - direct on line starting</b><br> 
    226213At start time tStart three phase voltage is supplied to the asynchronous induction machine with squirrel cage; 
     
    233220</ul> 
    234221Default machine parameters of model <i>AIM_SquirrelCage</i> are used. 
    235 </p> 
    236222</HTML>")); 
    237223      Machines.BasicMachines.AsynchronousInductionMachines.AIM_SquirrelCage  
     
    330316          doublePrecision=true), 
    331317        Documentation(info="<HTML> 
    332 <p> 
    333318<b>2nd Test example: Asynchronous induction Machine with squirrel cage - Y-D starting</b><br> 
    334319At start time tStart three phase voltage is supplied to the asynchronous induction machine with squirrel cage, first star-connected, then delta-connetced; the machine starts from standstill, accelerating inertias against load torque quadratic dependent on speed, finally reaching nominal speed.<br> 
     
    340325</ul> 
    341326Default machine parameters of model <i>AIM_SquirrelCage</i> are used. 
    342 </p> 
    343327</HTML>")); 
    344328      Machines.BasicMachines.AsynchronousInductionMachines.AIM_SquirrelCage  
     
    436420          doublePrecision=true), 
    437421        Documentation(info="<HTML> 
    438 <p> 
    439422<b>3rd Test example: Asynchronous induction Machine with slipring rotor - resistance starting</b><br> 
    440423At start time tStart1 three phase voltage is supplied to the asynchronous induction machine with sliprings; 
     
    448431</ul> 
    449432Default machine parameters of model <i>AIM_SlipRing</i> are used. 
    450 </p> 
    451433</HTML>")); 
    452434      Machines.BasicMachines.AsynchronousInductionMachines.AIM_SlipRing AIMS1  
     
    584566          doublePrecision=true), 
    585567        Documentation(info="<HTML> 
    586 <p> 
    587568<b>4th Test example: Asynchronous induction Machine with squirrel cage fed by an ideal inverter</b><br> 
    588569An ideal frequency inverter is modeled by using a VfController and a threephase SignalVoltage.<br> 
     
    596577</ul> 
    597578Default machine parameters of model <i>AIM_SquirrelCage</i> are used. 
    598 </p> 
    599579</HTML>")); 
    600580      Machines.BasicMachines.AsynchronousInductionMachines.AIM_SquirrelCage  
     
    680660          doublePrecision=true), 
    681661        Documentation(info="<HTML> 
    682 <p> 
    683662<b>5th Test example: Synchronous Induction Machine with Reluctance rotor fed by an ideal inverter</b><br> 
    684663An ideal frequency inverter is modeled by using a VfController and a threephase SignalVoltage.<br> 
     
    693672</ul> 
    694673Default machine parameters of model <i>SM_ReluctanceRotorDamperCage</i> are used. 
    695 </p> 
    696674</HTML>")); 
    697675      Machines.BasicMachines.SynchronousInductionMachines.SM_ReluctanceRotorDamperCage 
     
    786764          doublePrecision=true), 
    787765        Documentation(info="<HTML> 
    788 <p> 
    789766<b>6th Test example: Permanent Magnet Synchronous Induction Machine fed by an ideal inverter</b><br> 
    790767An ideal frequency inverter is modeled by using a VfController and a threephase SignalVoltage.<br> 
     
    799776</ul> 
    800777Default machine parameters of model <i>SM_PermanentMagnetDamperCage</i> are used. 
    801 </p> 
    802778<p> 
    803779<b>In practice it is nearly impossible to drive a PMSMD without current controller.</b> 
     
    897873        experimentSetupOutput(doublePrecision=true), 
    898874        Documentation(info="<HTML> 
    899 <p> 
    900875<b>7th Test example: Electrical Excited Synchronous Induction Machine as generator</b><br> 
    901876An electrically excited synchronous generator is connected to the grid and driven with constant speed.  
     
    911886</ul> 
    912887Default machine parameters of model <i>SM_ElectricalExcitedDamperCage</i> are used. 
    913 </p> 
    914888</HTML>")); 
    915889      Machines.BasicMachines.SynchronousInductionMachines.SM_ElectricalExcitedDamperCage 
     
    1014988          doublePrecision=true), 
    1015989        Documentation(info="<HTML> 
    1016 <p> 
    1017990<b>8th Test example: Permanent magnet DC Machine started with an armature voltage ramp</b><br> 
    1018991A voltage ramp is applied to the armature, causing the DC machine to start,  
     
    1025998</ul> 
    1026999Default machine parameters of model <i>DC_PermanentMagnet</i> are used. 
    1027 </p> 
    10281000</HTML>")); 
    10291001      Machines.BasicMachines.DCMachines.DC_PermanentMagnet DCPM1  
     
    10721044          doublePrecision=true), 
    10731045        Documentation(info="<HTML> 
    1074 <p> 
    10751046<b>9th Test example: Electrically separate excited DC Machine started with an armature voltage ramp</b><br> 
    10761047A voltage ramp is applied to the armature, causing the DC machine to start,  
     
    10841055</ul> 
    10851056Default machine parameters of model <i>DC_ElectricalExcited</i> are used. 
    1086 </p> 
    10871057</HTML>")); 
    10881058      Machines.BasicMachines.DCMachines.DC_ElectricalExcited DCEE1  
     
    11421112          doublePrecision=true), 
    11431113        Documentation(info="<HTML> 
    1144 <p> 
    11451114<b>10th Test example: Series excited DC Machine started with an armature voltage ramp</b><br> 
    11461115A voltage ramp is applied to the armature, causing the DC machine to start,  
     
    11531122</ul> 
    11541123Default machine parameters of model <i>DC_SeriesExcited</i> are used. 
    1155 </p> 
    11561124</HTML>")); 
    11571125      Machines.BasicMachines.DCMachines.DC_SeriesExcited DCSE1  
     
    11931161      parameter Modelica.SIunits.Resistance RL[3]=fill(1/3,3); 
    11941162      annotation (Documentation(info="<HTML> 
    1195 <p> 
    11961163Transformer testbench:<br> 
    11971164You may choose different connections as well as vary the load (even not symmetrical).<br> 
     
    12001167In some cases it may be necessary to ground the transformer's starpoint  
    12011168even though the source's or load's starpoint are grounded; you may use a reasonable high earthing resistance. 
    1202 </p> 
    12031169</HTML>"), 
    12041170        Diagram, 
     
    12971263      parameter Modelica.SIunits.Voltage VC0=sqrt(3)*V; 
    12981264      annotation (Documentation(info="<HTML> 
    1299 <p> 
    13001265Test example with multiphase components:<br> 
    13011266Star-connected voltage source feeds via a transformer a diode bridge rectifier with a DC burden.<br> 
    13021267Using f=50 Hz, simulate for 0.1 seconds (5 periods) and compare voltages and currents of source and DC burden,  
    13031268neglecting initial transient. 
    1304 </p> 
    13051269</HTML>"), Diagram, 
    13061270        experiment(StopTime=0.1), 
     
    13711335      extends Machines.Examples.Rectifier6pulse(RL=0.2); 
    13721336      annotation (Documentation(info="<HTML> 
    1373 <p> 
    13741337Test example with multiphase components:<br> 
    13751338Star-connected voltage source feeds via two transformers (Dd0 and Dy1) two diode bridge rectifiers with a single DC burden.<br> 
    13761339Using f=50 Hz, simulate for 0.1 seconds (5 periods) and compare voltages and currents of source and DC burden,  
    13771340neglecting initial transient. 
    1378 </p> 
    13791341</HTML>"), Diagram, 
    13801342        experiment(StopTime=0.1), 
     
    14361398          doublePrecision=true), 
    14371399        Documentation(info="<HTML> 
    1438 <p> 
    14391400<b>Asynchronous induction Machine with squirrel cage - Steinmetz-connection</b><br> 
    14401401At start time tStart single phase voltage is supplied to the asynchronous induction machine with squirrel cage; 
    14411402the machine starts from standstill, accelerating inertias against load torque quadratic dependent on speed, finally reaching nominal speed.<br> 
    14421403Default machine parameters of model <i>AIM_SquirrelCage</i> are used. 
    1443 </p> 
    14441404</HTML>")); 
    14451405      Machines.BasicMachines.AsynchronousInductionMachines.AIM_SquirrelCage  
     
    15391499      extends Modelica.Icons.Library; 
    15401500      annotation (Documentation(info="<HTML> 
    1541 <p> 
    15421501This package contains components utility components for testing examples. 
    1543 </p> 
    1544  
    15451502</HTML>", revisions="<HTML> 
    15461503<dl> 
    1547 <p> 
    15481504  <dt><b>Main Authors:</b></dt> 
    15491505  <dd> 
     
    15531509  email: <a href=\"mailto:a.haumer@haumer.at\">a.haumer@haumer.at</a> 
    15541510  </dd> 
    1555 </p> 
    1556 <p> 
    15571511  <dt><b>Copyright:</b></dt> 
    1558   <dd>Copyright &copy; 1998-2006, Modelica Association and Anton Haumer.<br> 
     1512  <dd>Copyright &copy; 1998-2007, Modelica Association and Anton Haumer.<br> 
    15591513  <i>The Modelica package is <b>free</b> software; it can be redistributed and/or modified 
    15601514  under the terms of the <b>Modelica license</b>, see the license conditions 
    15611515  and the accompanying <b>disclaimer</b> in the documentation of package 
    15621516  Modelica in file \"Modelica/package.mo\".</i></dd> 
    1563 </p> 
    15641517</dl> 
    1565  
    15661518  <ul> 
    15671519  <li> v1.00 2004/09/16 Anton Haumer</li> 
     
    16081560                  20.3, -54.1; 25.9, -41.3; 33, -21.7; 40, 0], style(color=8))), 
    16091561          Documentation(info="<HTML> 
    1610 <p> 
    16111562Simple Voltage-Frequency-Controller.<br> 
    16121563Amplitude of voltage is linear dependent (VNominal/fNominal) on Frequency (input signal \"u\"), but limited by VNominal (nominal RMS voltage per phase).<br> 
     
    16141565The sine-waves are intended to feed a m-phase SignalVoltage.<br> 
    16151566Phase shifts between sine-waves may be choosen by the user; default values are <i>(k-1)/m*pi for k in 1:m</i>. 
    1616 </p> 
    16171567</HTML>")); 
    16181568      equation  
     
    16461596                fillPattern=1))), 
    16471597          Documentation(info="<HTML> 
    1648 <p> 
    16491598Simple Star-Delta-switch.<br> 
    16501599If <i>control</i> is false, plug_PS and plug_NS are star connected and plug_PS connected to plug_P.<br> 
    16511600If <i>control</i> is true, plug_PS and plug_NS are delta connected and they are connected to plug_P. 
    1652 </p> 
    16531601</HTML>")); 
    16541602        Modelica.Electrical.MultiPhase.Basic.Star star(final m=m)  
     
    17171665                fillPattern=1))), 
    17181666          Documentation(info="<html> 
    1719 <p> 
    17201667TerminalBox: at the bottom connected to both machine plugs, connect at the top to the grid as usual,<br> 
    17211668choosing Y-connection (StarDelta=Y) or D-connection (StarDelta=D). 
    1722 </p> 
    17231669</html>")); 
    17241670        Modelica.Electrical.Analog.Interfaces.NegativePin starpoint if (StarDelta<>"D")  
     
    17501696    extends Modelica.Icons.Library2; 
    17511697    annotation (Documentation(info="<HTML> 
    1752 <p> 
    17531698This package contains components for modeling electrical machines, specially threephase induction machines, based on space phasor theory: 
    17541699<ul> 
     
    17601705</ul> 
    17611706The induction machine models use package SpacePhasors. 
    1762 </p> 
    1763  
    17641707</HTML>", revisions="<HTML> 
    17651708<dl> 
    1766 <p> 
    17671709  <dt><b>Main Authors:</b></dt> 
    17681710  <dd> 
     
    17721714  email: <a href=\"mailto:a.haumer@haumer.at\">a.haumer@haumer.at</a> 
    17731715  </dd> 
    1774 </p> 
    1775 <p> 
    17761716  <dt><b>Copyright:</b></dt> 
    1777   <dd>Copyright &copy; 1998-2006, Modelica Association and Anton Haumer.<br> 
     1717  <dd>Copyright &copy; 1998-2007, Modelica Association and Anton Haumer.<br> 
    17781718  <i>The Modelica package is <b>free</b> software; it can be redistributed and/or modified 
    17791719  under the terms of the <b>Modelica license</b>, see the license conditions 
    17801720  and the accompanying <b>disclaimer</b> in the documentation of package 
    17811721  Modelica in file \"Modelica/package.mo\".</i></dd> 
    1782 </p> 
    17831722</dl> 
    1784  
    17851723  <ul> 
    17861724  <li> v1.00  2004/09/16 Anton Haumer</li> 
     
    18441782      extends Modelica.Icons.Library; 
    18451783      annotation (Documentation(info="<HTML> 
    1846 <p> 
    18471784This package contains models of asynchronous induction machines, based on space phasor theory: 
    18481785<ul> 
     
    18511788</ul> 
    18521789These models use package SpacePhasors. 
    1853 </p> 
    18541790</HTML>", revisions="<HTML> 
    18551791<dl> 
    1856 <p> 
    18571792  <dt><b>Main Authors:</b></dt> 
    18581793  <dd> 
     
    18621797  email: <a href=\"mailto:a.haumer@haumer.at\">a.haumer@haumer.at</a> 
    18631798  </dd> 
    1864 </p> 
    1865 <p> 
    18661799  <dt><b>Copyright:</b></dt> 
    1867   <dd>Copyright &copy; 1998-2006, Modelica Association and Anton Haumer.<br> 
     1800  <dd>Copyright &copy; 1998-2007, Modelica Association and Anton Haumer.<br> 
    18681801  <i>The Modelica package is <b>free</b> software; it can be redistributed and/or modified 
    18691802  under the terms of the <b>Modelica license</b>, see the license conditions 
    18701803  and the accompanying <b>disclaimer</b> in the documentation of package 
    18711804  Modelica in file \"Modelica/package.mo\".</i></dd> 
    1872 </p> 
    18731805</dl> 
    1874  
    18751806  <ul> 
    18761807  <li> v1.02 2004/09/19 Anton Haumer</li> 
     
    19061837        annotation (defaultComponentName="AIMC", 
    19071838          Documentation(info="<HTML> 
    1908 <p> 
    19091839<b>Model of a three phase asynchronous induction machine with squirrel cage.</b><br> 
    19101840Resistance and stray inductance of stator is modeled directly in stator phases, then using space phasor transformation. Resistance and stray inductance of rotor's squirrel cage is modeled in two axis of the rotor-fixed ccordinate system. Both together connected via a stator-fixed <i>AirGap</i> model. Only losses in stator and rotor resistance are taken into account. 
    1911 </p> 
    1912 <p> 
    1913 <b>Default values for machine's parameters (a realistic example) are:</b><br> 
     1841<br><b>Default values for machine's parameters (a realistic example) are:</b><br> 
    19141842<table> 
    19151843<tr> 
     
    19941922</tr> 
    19951923</table> 
    1996 </p> 
    19971924</HTML>"),       Diagram); 
    19981925      equation  
     
    20521979        annotation (defaultComponentName="AIMS", 
    20531980          Documentation(info="<HTML> 
    2054 <p> 
    20551981<b>Model of a three phase asynchronous induction machine with slipring rotor.</b><br> 
    20561982Resistance and stray inductance of stator and rotor are modeled directly in stator respectively rotor phases, then using space phasor transformation and a stator-fixed <i>AirGap</i> model. Only losses in stator and rotor resistance are taken into account. 
    2057 </p> 
    2058 <p> 
    2059 <b>Default values for machine's parameters (a realistic example) are:</b><br> 
     1983<br><b>Default values for machine's parameters (a realistic example) are:</b><br> 
    20601984<table> 
    20611985<tr> 
     
    21442068</tr> 
    21452069</table> 
    2146 </p> 
    21472070<p> 
    21482071Parameter TurnsRatio could be obtained from the following relationship  
     
    21902113      extends Modelica.Icons.Library; 
    21912114      annotation (Documentation(info="<HTML> 
    2192 <p> 
    21932115This package contains models of synchronous induction machines, based on space phasor theory: 
    21942116<ul> 
     
    22002122</ul> 
    22012123These models use package SpacePhasors. 
    2202 </p> 
    2203 <p> 
    2204 <b>Please keep in mind:</b><br> 
     2124<br><b>Please keep in mind:</b><br> 
    22052125<ul> 
    22062126<li>We keep the same reference system as for motors, i.e.:<br> 
     
    22122132<li>Voltage induced by the magnet wheel (d-axis) is located in the q-axis.</li> 
    22132133</ul> 
    2214 </p> 
    2215  
    22162134</HTML>", revisions="<HTML> 
    22172135<dl> 
    2218 <p> 
    22192136  <dt><b>Main Authors:</b></dt> 
    22202137  <dd> 
     
    22242141  email: <a href=\"mailto:a.haumer@haumer.at\">a.haumer@haumer.at</a> 
    22252142  </dd> 
    2226 </p> 
    2227 <p> 
    22282143  <dt><b>Copyright:</b></dt> 
    2229   <dd>Copyright &copy; 1998-2006, Modelica Association and Anton Haumer.<br> 
     2144  <dd>Copyright &copy; 1998-2007, Modelica Association and Anton Haumer.<br> 
    22302145  <i>The Modelica package is <b>free</b> software; it can be redistributed and/or modified 
    22312146  under the terms of the <b>Modelica license</b>, see the license conditions 
    22322147  and the accompanying <b>disclaimer</b> in the documentation of package 
    22332148  Modelica in file \"Modelica/package.mo\".</i></dd> 
    2234 </p> 
    22352149</dl> 
    2236  
    22372150  <ul> 
    22382151  <li> v1.02  2004/09/19 Anton Haumer</li> 
     
    23192232             Ellipse(extent=[-134,34; -66,-34], style(color=3, rgbcolor={0,0,255}))), 
    23202233          Documentation(info="<HTML> 
    2321 <p> 
    23222234<b>Model of a three phase permanent magnet synchronous induction machine.</b><br> 
    23232235Resistance and stray inductance of stator is modeled directly in stator phases, then using space phasor transformation and a rotor-fixed <i>AirGap</i> model. Resistance and stray inductance of rotor's squirrel cage is modeled in two axis of the rotor-fixed ccordinate system. Permanent magnet excitation is modelled by a constant equivalent excitation current feeding the d-axis. Only losses in stator and damper resistance are taken into account. 
    2324 </p> 
    2325 <p> 
    2326 Whether a damper cage is present or not, can be selected with Boolean parameter DamperCage (default = true). 
    2327 </p> 
    2328 <p> 
    2329 <b>Default values for machine's parameters (a realistic example) are:</b><br> 
     2236<br>Whether a damper cage is present or not, can be selected with Boolean parameter DamperCage (default = true). 
     2237<br><b>Default values for machine's parameters (a realistic example) are:</b><br> 
    23302238<table> 
    23312239<tr> 
     
    24382346</tr> 
    24392347</table> 
    2440 </p> 
    24412348</HTML>")); 
    24422349      equation  
     
    25262433                  rgbcolor={0,0,255}))), 
    25272434          Documentation(info="<HTML> 
    2528 <p> 
    25292435<b>Model of a three phase electrical excited synchronous induction machine with damper cage.</b><br> 
    25302436Resistance and stray inductance of stator is modeled directly in stator phases, then using space phasor transformation and a rotor-fixed <i>AirGap</i> model. Resistance and stray inductance of rotor's squirrel cage is modeled in two axis of the rotor-fixed ccordinate system. Electrical excitation is modelled by converting excitation current and voltage to d-axis space phasors. Only losses in stator, damper and excitation resistance are taken into account. 
    2531 </p> 
    2532 <p> 
    2533 Whether a damper cage is present or not, can be selected with Boolean parameter DamperCage (default = true). 
    2534 </p> 
    2535 <p> 
    2536 <b>Default values for machine's parameters (a realistic example) are:</b><br> 
     2437<br>Whether a damper cage is present or not, can be selected with Boolean parameter DamperCage (default = true). 
     2438<br><b>Default values for machine's parameters (a realistic example) are:</b><br> 
    25372439<table> 
    25382440<tr> 
     
    26622564</tr> 
    26632565</table> 
    2664 </p> 
    26652566</HTML>")); 
    26662567      equation  
     
    27262627             Ellipse(extent=[-134,34; -66,-34], style(color=3, rgbcolor={0,0,255}))), 
    27272628          Documentation(info="<HTML> 
    2728 <p> 
    27292629<b>Model of a three phase synchronous induction machine with reluctance rotor and damper cage.</b><br> 
    27302630Resistance and stray inductance of stator is modeled directly in stator phases, then using space phasor transformation. Resistance and stray inductance of rotor's squirrel cage is modeled in two axis of the rotor-fixed ccordinate system. Both together connected via a rotor-fixed <i>AirGap</i> model. Only losses in stator and rotor resistance are taken into account. 
    2731 </p> 
    2732 <p> 
    2733 Whether a damper cage is present or not, can be selected with Boolean parameter DamperCage (default = true). 
    2734 </p> 
    2735 <p> 
    2736 <b>Default values for machine's parameters (a realistic example) are:</b><br> 
     2631<br>Whether a damper cage is present or not, can be selected with Boolean parameter DamperCage (default = true). 
     2632<br><b>Default values for machine's parameters (a realistic example) are:</b><br> 
    27372633<table> 
    27382634<tr> 
     
    28372733</tr> 
    28382734</table> 
    2839 </p> 
    28402735</HTML>")); 
    28412736      equation  
     
    28482743      extends Modelica.Icons.Library; 
    28492744      annotation (Documentation(info="<HTML> 
    2850 <p> 
    28512745This package contains models of DC machines: 
    28522746<ul> 
     
    28552749<li>DC_SeriesExcited: DC machine with series excitation</li> 
    28562750</ul> 
    2857 </p> 
    2858  
    28592751</HTML> 
    28602752", revisions="<HTML> 
    28612753<dl> 
    2862 <p> 
    28632754  <dt><b>Main Authors:</b></dt> 
    28642755  <dd> 
     
    28682759  email: <a href=\"mailto:a.haumer@haumer.at\">a.haumer@haumer.at</a> 
    28692760  </dd> 
    2870 </p> 
    2871 <p> 
    28722761  <dt><b>Copyright:</b></dt> 
    2873   <dd>Copyright &copy; 1998-2006, Modelica Association and Anton Haumer.<br> 
     2762  <dd>Copyright &copy; 1998-2007, Modelica Association and Anton Haumer.<br> 
    28742763  <i>The Modelica package is <b>free</b> software; it can be redistributed and/or modified 
    28752764  under the terms of the <b>Modelica license</b>, see the license conditions 
    28762765  and the accompanying <b>disclaimer</b> in the documentation of package 
    28772766  Modelica in file \"Modelica/package.mo\".</i></dd> 
    2878 </p> 
    28792767</dl> 
    2880  
    28812768  <ul>