def load_matpower(cls, fd):
""" Returns a case from the given MATPOWER file object.
"""
from pylon.io import MATPOWERReader
return MATPOWERReader().read(fd)
def setUp(self):
""" The test runner will execute this method prior to each test.
"""
self.reader = MATPOWERReader()
__author__ = 'Richard Lincoln, [email protected]' """ This example demonstrates how to use the state estimator by using data from Problem 6.7 in 'Computational Methods for Electric Power Systems' by Mariesa Crow.""" import sys from pylon import Case, StateEstimator, Measurement, PF, PT, PG, VM from pylon.io import MATPOWERReader from numpy import array DATA_FILE = "../pylon/test/data/case3bus_P6_6.m" # Load the case file. case = MATPOWERReader(case_format=1).read(DATA_FILE) # Specify the measurements. measurements = [ Measurement(case.branches[0], PF, 0.12), Measurement(case.branches[1], PF, 0.10), Measurement(case.branches[2], PT, -0.04), Measurement(case.buses[0], PG, 0.58), Measurement(case.buses[1], PG, 0.30), Measurement(case.buses[2], PG, 0.14), Measurement(case.buses[1], VM, 1.04), Measurement(case.buses[2], VM, 0.98) ] # Specify measurement variances (ordered: PF, PT, QF, QT, PG, QG, VM, VA). sigma = array([0.02, 0.02, 0.0, 0.0, 0.015, 0.0, 0.01, 0.0])
