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Hi
I wish to read Machine info from a psse case Bus No, Bus Name, Machine Id
CONTINGENCY "Bus Name" REMOVE MACHINE "Machine Id" FROM BUS "BUS NUMBER" ... This is repeated for all generators
Really appreciate if you wish to suggest a python code for doing this
Thanking you
Don
Hi, I took what Jervis did and modified a little the script. Here is my version
sid = -1
flag = 4
string1 = 'NUMBER'
string2 = ['NAME','ID']
TEMPLATE = """
CONTINGENCY %(name)s
REMOVE UNIT %(id)s FROM BUS %(number)s
END
"""
ierr1, numbers = psspy.amachint(sid, flag, string1) # machines at all buses
#print numbers, ierr1
ierr2, name_id = psspy.amachchar(sid, flag, string2) # names and ids
#print name_id, ierr2
# convert from columns to rows [(num, name, id), (num, name, id)]
num_name_id = zip(*(numbers + name_id))
confile = open("contingency.con", "wb")
for number, name, id in num_name_id:
confile.write(TEMPLATE % dict(name=name, id=id, number=number))
confile.close()I couldn't work whit the original script, so I did the modifications
This looks great. I've updated my script based on the corrections in yours.
Here is something to get you started:
busno: use psspy.amachint
name: use psspy.amachchar
id: use psspy.amachchar
TEMPLATE = "CONTINGENCY %(name)s REMOVE MACHINE %(id)s FROM BUS %(num)s\n"
ierr, numbers = psspy.amachint(sid=-1, string=["NUMBER"]) # machines at all buses
ierr, name_id = psspy.amachchar(sid=-1, string=["NAME", "ID"]) # names and ids
# convert from columns to rows [(num, name, id), (num, name, id)]
num_name_id = zip(*(numbers + name_id))
confile = open("contingency.con", "wb")
for number, name, id in num_name_id:
confile.write(TEMPLATE % dict(name=name, id=id, number=number))
confile.close()Hi here a newer version of ths script
sid = -1
flag = 4
string1 = 'NUMBER'
string2 = ['NAME', 'ID']
TEMPLATE = "CONTINGENCY %(name)s \nREMOVE UNIT %(id)s FROM BUS %(number)s\nEND\n"
ierr1, numbers = psspy.amachint(sid, flag, string1) # machines at all buses
ierr2, name_id = psspy.amachchar(sid, flag, string2) # names and ids
#The name of the contingency will have bus' name and the machine's id
nameCont =[[1] * len(name_id[0])]
n = 0
while n < len(name_id[0]):
nameCont[0][n] = "'" + name_id[0][n] + name_id[1][n] + "'"
n +=1
# convert from columns to rows [(num, name, id), (num, name, id)]
num_name_id = zip(*(nameCont + numbers + [name_id[1]]))
confile = open("contingencyC.con", "wb")
for nameCont, number, id in num_name_id:
confile.write(TEMPLATE % dict(name=nameCont, id=id, number=number))
confile.write ('END')
confile.close()What does the variable `nameCont` contain after the while loop? is it this: `["MAC1", "MAC2", ...]`
Yes, the variable nameCont = BusName+MachineID , in some buses we could have more that one machine
Good point. There is often more than one machine at a bus.
I found that this script gives contingency names of the form 'busname id'. In a PSS/E .con file PSS/E will only read the name up to the space, therefore 'busname id1' , 'busname id2' will both be read as 'busname', and PSS/E will only perform the first of the two contingencies. What is required is names in the format 'busname_id' or something similar. I've had a brief look at how to do this but don't have an answer, it's a bit trcky with strings being immutable.
I'll edit the answer here, good pick up Peter.
Asked: Jul 18 '12
Seen: 2,758 times
Last updated: Jul 25 '12
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