How to add a extra digit on the bus numbers in PSS/E

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How can I created the file .trn ? What format have te file .trn?

hi, you can update the BusNumber of huge number of buses in single go by using renumber buses in power flow by usinf text file. In text file make 1st column of existing busno. In second column new bus number. with this you can update the multiple bus numbers.

Use standard PSS/E functions. From top menu:

Power Flow -> Renumber Buses -> By Bus Number

Just prepare .trn file which format as far as I remember is very easy:

'old bus number'  'new bus number'

You can use BUS_NUMBER. Check section 2.8 in the API-document. I'm pretty sure the following should do the trick:

ierr, iarray = abusint(-1, 2, 'NUMBER')  # Get bus numbers
                                         # -1 is to use a subsystem with all buses
                                         # 2 is to include all buses, not only in-service buses

for x in range(0,len(iarray)):
    ierr = psspy.bus_number(iarray[x],100000+iarray[x])  # Change bus numbers
                                         # iarray[x] is the current bus number
                                         # 100000+iarray[x] is the new bus number

PSS/E should automagically change the bus numbers for all other equipment.

Hope this helped!

This is simple to do with activity BSNM. In python:

offset = 100000
psspy.bsnm(0,1,0,1,[offset,0],"","",1,"")
psspy.bsnm(0,1,4,1,[offset,0],"","",0,"")
psspy.bsnm(0,1,7,0,[0,0],"","",0,"")