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import os, sys

PSSE_PATH = r'C:\Program Files\PTI\PSSE35\35.3\PSSPY37'

sys.path.append(PSSE_PATH)

os.environ['PATH'] += ';' + PSSE_PATH

import psse35

import psspy

psse35.set_minor(3)

import redirect

redirect.psse2py()

import dyntools

import numpy

import matplotlib.pyplot as plt

outfile = r"C:\Program Files\PTI\PSSE35\35.3\EXAMPLE\Fault1.out"

chnfobj = dyntools.CHNF(outfile)

shorttitle, chanid, chandata = chnfobj.getdata()

t = chandata['time']

v = chandata[6] #based on the channel identifier set in the dynamic simulation

fig = plt.figure()

fig.patch.set_facecolor('0.8')

ax1 = plt.subplot2grid((1,1),(0,0))

ax1.plot(t,v,linestyle='-', linewidth=1, color='green',label="Voltage")

plt.grid(linestyle='--', color='grey',linewidth=0.5)

plt.xlabel("Time")

plt.ylabel("Voltage")

plt.legend()

axes = plt.gca()

axes.set_facecolor('w')

axes.set_ylim([0.6,1.2])

axes.set_xlim([0,10])

plt.savefig(r"""figure.pdf""",dpi=fig.dpi,facecolor='0.8')

plt.show()