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ekstra   ara
 Post subject: SKM Inverter Output
PostPosted: Thu Oct 28, 2010 2:16 pm 

Joined: Wed Nov 12, 2008 10:26 am
Posts: 46
Location: CA
Has anyone modeled a 480vac inverter output from a PV or fuel cell using SKM?
I called SKM tech support and was told the present version 6.5 does not have a component for this. However PTW version 7.0 will have an inverter output component, in a few months. (PTW 6.5 does have an "Inverter" component but is only used for DC Load Flow.) They suggested using a synchronous generator to model the inverter output. 225kW @ 480vac. RMS fault current is 495A for 10 cycles (0.166 sec).


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PostPosted: Fri Oct 29, 2010 6:15 am 
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Joined: Wed Jun 04, 2008 9:17 am
Posts: 428
Location: Spartanburg, South Carolina
I would think that you could get closer characteristics using a VFD output instead of a synchronous generator.


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