def test_opendss_transformer():
opendss_test_data = """
Clear
new circuit.IEEE13
~ basekv=4.16 pu=1.0000 phases=3 bus1=SourceBus
~ Angle=0
~ MVAsc3=200000 MVASC1=200000 ! stiffen the source to approximate inf source
New Transformer.reg Phases=3 Windings=2 XHL=0.01
~ wdg=1 bus=Sourcebus.1.2.3.0 conn=Wye kv=4.16 kva=5000 %r=0.000498 XHT=.00498
~ wdg=2 bus=651.1.2.3 conn=Wye kv=4.16 kva=5000 %r=0.000498 XLT=.00498
New Transformer.XFM1 Phases=3 Windings=2 XHL=2
~ wdg=1 bus=633.1.2.3.0 conn=Wye kv=4.16 kva=500 %r=.55 XHT=1
~ wdg=2 bus=634.1.2.3 conn=Wye kv=0.480 kva=500 %r=.55 XLT=1
"""
master_file = os.path.join(tempfile.gettempdir(), os.urandom(24).hex())
# TODO: figure out why named temporary file doesn't work as expected on windows
# master_file = tempfile.NamedTemporaryFile(mode="w")
with open(master_file, "w") as f:
f.write(opendss_test_data)
m = Store()
r = Reader(master_file=master_file, )
r.parse(m)
m.set_names()
for t in m.iter_models(type=PowerTransformer):
assert len(t.windings) == 2
assert t.windings[0].is_grounded is True
assert t.windings[1].is_grounded is False
output_path = tempfile.TemporaryDirectory()
w = Writer(output_path=output_path.name)
w.write(m)
with open(os.path.join(output_path.name, "Transformers.dss")) as f:
string = f.read()
assert "sourcebus.1.2.3.0" in string
assert "651.1.2.3.0" not in string
assert "651.1.2.3" in string
assert "633.1.2.3.0" in string
assert "634.1.2.3.0" not in string
assert "634.1.2.3" in string
def test_opendss_center_transformer():
opendss_test_data = """
Clear
new circuit.IEEE13
~ basekv=4.16 pu=1.0000 phases=3 bus1=SourceBus
~ Angle=0
~ MVAsc3=200000 MVASC1=200000 ! stiffen the source to approximate inf source
New Transformer.Example1-ph phases=1 Windings=3
~ Xhl=2.04 Xht=2.04 Xlt=1.36 %noloadloss=.2
~ Buses=[bus1.1.2 bus2.1.0 bus2.0.2] ! mid-point of secondary is grounded
~ kVs=[12.47 .12 .12] ! ratings of windings
~ kVAs=[25 25 25]
~ %Rs = [0.6 1.2 1.2]
~ conns=[delta wye wye]
"""
master_file = os.path.join(tempfile.gettempdir(), os.urandom(24).hex())
# TODO: figure out why named temporary file doesn't work as expected on windows
# master_file = tempfile.NamedTemporaryFile(mode="w")
with open(master_file, "w") as f:
f.write(opendss_test_data)
m = Store()
r = Reader(master_file=master_file)
r.parse(m)
m.set_names()
for t in m.iter_models(type=PowerTransformer):
assert len(t.windings) == 3
assert t.windings[0].is_grounded is False
assert t.windings[1].is_grounded is False
assert t.windings[2].is_grounded is False
output_path = tempfile.TemporaryDirectory()
w = Writer(output_path=output_path.name)
w.write(m)
with open(os.path.join(output_path.name, "Transformers.dss")) as f:
string = f.read()
assert "bus1.1.2 " in string
assert "bus2.1.0 " in string
assert "bus2.0.2 " in string
