def test_subgraph(plan):
a = Generator(name="A", type="135kVA")
a1 = Distro(name="A1", type="SPEC-7")
plan.add_connection(a, a1, 400, 3, length=10)
b = Generator(name="B", type="135kVA")
b1 = Distro(name="B1", type="SPEC-7")
plan.add_connection(b, b1, 400, 3, length=10)
plan.generate()
grids = list(plan.grids())
assert len(grids) == 2
for grid in grids:
assert grid.parent == plan
def test_port_assignment(plan):
gen = Generator(name="A", type="135kVA")
a1 = Distro(name="A1", type="SPEC-7")
plan.add_connection(gen, a1, 400, 3)
a2 = Distro(name="A2", type="EPS/63-4")
plan.add_connection(a1, a2, 63, 3)
a3 = Distro(name="A3", type="EPS/63-3")
plan.add_connection(a1, a3, 63, 3)
a4 = Distro(name="A4", type="TOB-32")
plan.add_connection(a3, a4, 32, 1)
assert len(plan.validate()) == 0
plan.assign_ports()
assert plan.graph[a1][a2]["out_port"] == 0
assert plan.graph[a1][a2]["in_port"] == 0
assert plan.graph[a1][a3]["out_port"] == 1
assert plan.graph[a1][a3]["in_port"] == 0
plan.assign_cables()
assert plan.graph[a1][a2]["csa"] == 16
assert a4.source() == gen
def test_duplicate_node_name(plan):
gen = Generator(name="A", type="135kVA")
a1 = Distro(name="A1", type="SPEC-7")
plan.add_connection(gen, a1, 400, 3)
a2 = Distro(name="A1", type="EPS/63-4")
plan.add_connection(a1, a2, 63, 3)
assert len(plan.validate()) == 2
def test_zs(plan):
gen = Generator(name="A", type="135kVA")
plan.add_node(gen)
# Arrive at the result by an independent route...
spec = gen.get_spec()
Ibase = spec["power"] / (sqrt(3) * spec["voltage"])
Ifault = (100 / spec["transient_reactance"]) * Ibase
Z = spec["voltage"] / (sqrt(3) * Ifault)
assert Z == gen.z_e()
def test_create_graph():
plan = Plan()
gen = Generator(name="A")
dist = Distro(name="A1")
plan.add_node(gen)
plan.add_connection(gen, dist, 400, 3)
assert plan.graph.number_of_nodes() == 2
assert plan.graph.number_of_edges() == 1
assert len(plan.validate()) == 0
assert plan.num_generators() == 1
assert plan.num_distros() == 1
def test_graph_incomplete_spec(plan):
gen = Generator(name="A", type="135kVA")
a1 = Distro(name="A1", type="SPEC-7")
plan.add_connection(gen, a1, 400, 3, length=10)
a2 = Distro(name="A2", type="EPS/63-4")
plan.add_connection(a1, a2, 63, 3, length=52)
a3 = Distro(name="A3", type="EPS/63-3")
plan.add_connection(a1, a3, 63, 3, length=54)
a4 = Distro(name="A4", type="TOB-32")
plan.add_connection(a3, a4, 32, 1, length=25)
plan.generate()
assert len(generate_bom_html(plan)) > 0
def test_fault_current(plan):
gen = Generator(name="A", type="135kVA")
a1 = Distro(name="A1", type="SPEC-7")
plan.add_connection(gen, a1, 400, 3, length=10)
a2 = Distro(name="A2", type="EPS/63-4")
plan.add_connection(a1, a2, 63, 3, length=52)
a3 = Distro(name="A3", type="EPS/63-3")
plan.add_connection(a1, a3, 63, 3, length=54)
a4 = Distro(name="A4", type="TOB-32")
plan.add_connection(a3, a4, 32, 1, length=25)
assert len(plan.validate()) == 0
plan.generate()
a4.i_pf()
def test_spec(spec, plan):
assert len(spec.generator) == 1
assert len(spec.distro) == 23
gen = Generator(name="A", type="135kVA")
dist = Distro(name="A1", type="SPEC-7")
plan.add_connection(gen, dist, 400, 3)
assert len(plan.validate()) == 0
# Add another distro connected to a generator with only one output
dist2 = Distro(name="A2", type="SPEC-7")
plan.add_connection(gen, dist2, 400, 3)
assert len(plan.validate()) == 1
# Add a distro connected with an incorrect cable rating
dist3 = Distro(name="A3", type="EPS/32")
plan.add_connection(dist, dist3, 32, 3)
assert len(plan.validate()) == 2