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Obscure state space variables of a synchronous machine (generator) 'State-Spa​ce(1)...St​ate-Space(​12)': What are they exactly? What do they mean?

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SinanB
SinanB 2017-7-7
关闭： MATLAB Answer Bot 2021-8-20
When I blockwise linearize a synchronous machine (at a steady state operating point) I get 12 obscure state space variables (see below) State-Space(1)...State-Space(2): I am wondering what these things are. Any help would be appreciated.
>> linsys1.StateName
ans =
25×1 cell array
'Rotor angle dthetae'
'fluxes(1)'
'fluxes(2)'
'fluxes(3)'
'fluxes(4)'
'fluxes(5)'
'State-Space(1)'
'State-Space(2)'
'State-Space(3)'
'State-Space(4)'
'State-Space(5)'
'State-Space(6)'
'State-Space(7)'
'State-Space(8)'
'State-Space(9)'
'State-Space(10)'
'State-Space(11)'
'State-Space(12)'
'dw_delay'
'dw_predict'
'theta'
'voltages(1)'
'voltages(2)'
'voltages(3)'
'Rotor speed deviation (dw)'

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Sebastian Castro
Sebastian Castro 2017-7-10
If you do this from the Linear Analysis app, you can view the linearization results and highlight the blocks. See, for example, https://www.mathworks.com/help/slcontrol/ug/troubleshooting-linearization.html#bspsmxf-1
If you're doing this all command-line, there is an option to use the full block path for the state names, as shown below.
opts = linearizationOptions('UseFullBlockNameLabels','on');
linsys1 = linearize('modelName',io,opts);
linsys1.StateName
- Sebastian

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