def busses_add_comps(c, *args):
r"""
Adds components to busses according to data from .csv file.
Parameters
----------
c : pandas.core.series.Series
Component information from .csv-file.
args[0] : pandas.core.frame.DataFrame
DataFrame containing all created busses.
args[1] : pandas.core.frame.DataFrame
DataFrame containing all created characteristic lines.
"""
i = 0
for b in c.busses:
p, P_ref, char = c.bus_param[i], c.bus_P_ref[i], c.bus_char[i]
values = char == args[1]['id']
char = cmp_char.characteristics(x=args[1][values].x.values[0], y=args[1][values].y.values[0])
# add component with corresponding details to bus
args[0].instance[b == args[0]['label']].values[0].add_comps({'c': c.instance, 'p': p, 'P_ref': P_ref, 'char': char})
i += 1
def test_set_attr_errors(self):
#
labels = [5, 'Label,', 'Labe;l', 'Label.']
for l in labels:
self.cmp_instanciation_ValueError(l)
# ValueErrors
self.set_attr_ValueError(self.comp, mode=5)
self.set_attr_ValueError(self.comp, offdesign=['Q'])
self.set_attr_ValueError(self.conn, offdesign=['f'])
self.set_attr_ValueError(self.nw, m_unit='kg')
self.set_attr_ValueError(self.nw, h_unit='kg')
self.set_attr_ValueError(self.nw, p_unit='kg')
self.set_attr_ValueError(self.nw, T_unit='kg')
self.set_attr_ValueError(self.nw, v_unit='kg')
self.create_connection_ValueError('source')
self.create_connection_ValueError('target')
# TypeErrors
self.set_attr_TypeError(self.comp, P=[5])
self.set_attr_TypeError(self.comp, tiP_char=None)
self.set_attr_TypeError(self.comp, design='f')
self.set_attr_TypeError(self.conn, design='h')
self.set_attr_TypeError(self.conn, fluid_balance=1)
self.set_attr_TypeError(self.conn, h0=[4])
self.set_attr_TypeError(self.conn, fluid=5)
self.set_attr_TypeError(self.nw, p_range=5)
self.set_attr_TypeError(self.nw, h_range=5)
self.set_attr_TypeError(self.nw, T_range=5)
self.bus_add_comps_TypeError({'c': self.conn})
self.bus_add_comps_TypeError({'f': self.comp})
self.bus_add_comps_TypeError({'c': self.comp, 'char': 'Hi'})
self.bus_add_comps_TypeError({'c': self.comp, 'p': 5})
self.bus_add_comps_TypeError({'c': self.comp, 'P_ref': 'what'})
self.create_ref_TypeError([self.conn, 7, 'hi'])
self.create_ref_TypeError([self.conn, 'hi', 0])
self.create_ref_TypeError([self.comp, 1, 0])
# KeyErrors
self.set_attr_KeyError(self.comp, wow=5)
self.set_attr_KeyError(self.conn, jey=5)
self.set_attr_KeyError(self.sub, a=7)
self.get_attr_KeyError(self.comp, 'wow')
self.get_attr_KeyError(self.conn, 'key')
self.get_attr_KeyError(self.bus, 'components')
self.get_attr_KeyError(con.ref(self.conn, 1, 0), 'comp')
self.get_attr_KeyError(self.nw, 'test')
self.get_attr_KeyError(self.sub, 'test')
self.get_attr_KeyError(cmp_char.characteristics(), 'test')
self.get_attr_KeyError(hlp.data_container(), 'somekey')
def construct_chars(c):
"""
creates TESPy characteristic functions
:param c: connection information
:type c: pandas.core.series.Series
:returns: instance (*tespy.components.characteristics*) - TESPy
characteristics object
"""
char = cmp_char.characteristics(x=c.x, y=c.y)
return char
def test_char_number_of_points():
cmp_char.characteristics(x=[0, 1, 2], y=[1, 2, 3, 4])
def test_char_missing_key():
cmp_char.characteristics(a=6)
def construct_comps(c, *args):
r"""
Creates TESPy component from class name provided in the .csv-file and specifies its parameters.
Parameters
----------
c : pandas.core.series.Series
Component information from .csv-file.
args[0] : pandas.core.frame.DataFrame
DataFrame containing the x and y data of characteristic functions.
args[1] : pandas.core.frame.DataFrame
DataFrame containing the x, y, z1 and z2 data of characteristic maps.
Returns
-------
instance : tespy.components.components.component
TESPy component object.
"""
if c.interface:
instance = cmp.subsys_interface(c.label, num_inter=1)
else:
target_class = getattr(cmp, c.cp)
instance = target_class(c.label)
kwargs = {}
# basic properties
for key in ['mode', 'design', 'offdesign']:
kwargs[key] = c[key]
for key, value in instance.attr().items():
if key in c:
# component parameters
if isinstance(value, hlp.dc_cp):
dc = hlp.dc_cp(val=c[key],
is_set=c[key + '_set'], is_var=c[key + '_var'])
kwargs[key] = dc
# component parameters
if isinstance(value, hlp.dc_simple):
dc = hlp.dc_simple(val=c[key], val_set=c[key + '_set'])
kwargs[key] = dc
# component characteristics
elif isinstance(value, hlp.dc_cc):
# finding x and y values of the characteristic function
values = args[0]['id'] == c[key]
try:
x = args[0][values].x.values[0]
y = args[0][values].y.values[0]
except IndexError:
# if characteristics are missing (for compressor map atm)
x = cmp_char.characteristics().x
y = cmp_char.characteristics().y
msg = 'Could not find x and y values for characteristic line, using defaults instead for function ' + key + ' at component ' + c.label + '.'
logging.warning(msg)
char = cmp_char.characteristics(x=x, y=y, method=c[key + '_method'], comp=instance.component())
dc = hlp.dc_cc(is_set=c[key + '_set'],
method=c[key + '_method'],
param=c[key + '_param'],
func=char,
x=x, y=y)
kwargs[key] = dc
# component characteristics
elif isinstance(value, hlp.dc_cm):
# finding x and y values of the characteristic function
values = args[1]['id'] == c[key]
try:
x = list(args[1][values].x.values[0])
y = list(args[1][values].y.values[0])
z1 = list(args[1][values].z1.values[0])
z2 = list(args[1][values].z2.values[0])
except IndexError:
# if characteristics are missing (for compressor map atm)
x = cmp_char.char_map().x
y = cmp_char.char_map().y
z1 = cmp_char.char_map().z1
z2 = cmp_char.char_map().z2
msg = 'Could not find x, y, z1 and z2 values for characteristic map, using defaults instead.'
logging.warning(msg)
char_map = cmp_char.char_map(x=x, y=y, z1=z1, z2=z2, method=c[key + '_method'], comp=instance.component())
dc = hlp.dc_cm(is_set=c[key + '_set'],
method=c[key + '_method'],
param=c[key + '_param'],
func=char_map,
x=x, y=y, z1=z1, z2=z2)
kwargs[key] = dc
# grouped component parameters
elif isinstance(value, hlp.dc_gcp):
dc = hlp.dc_gcp(method=c[key])
kwargs[key] = dc
instance.set_attr(**kwargs)
return instance
fw = con.connection(pump, 'out1', steam_generator, 'in1')
fs_out = con.connection(steam_generator, 'out1', sink, 'in1')
nw.add_conns(fs_in, ws, cond, fw, fs_out)
# cooling water
cw_in = con.connection(source_cw, 'out1', condenser, 'in2')
cw_out = con.connection(condenser, 'out2', sink_cw, 'in1')
nw.add_conns(cw_in, cw_out)
# %% busses
# characteristic function for generator efficiency
x = np.array([0, 0.2, 0.4, 0.6, 0.8, 1, 1.2])
y = np.array([0, 0.86, 0.9, 0.93, 0.95, 0.96, 0.95])
gen = cmp_char.characteristics(x=x, y=y)
# motor of pump has a constant efficiency
power = con.bus('total output power')
power.add_comps({
'c': turbine,
'p': 'P',
'char': gen
}, {
'c': pump,
'char': 1 / 0.95
})
nw.add_busses(power)
# %% parametrization of components
def setup(self):
# %% network
self.nw = nwk.network(fluids=['water', 'NH3'],
T_unit='C',
p_unit='bar',
h_unit='kJ / kg',
m_unit='kg / s')
# %% components
# sources & sinks
c_in = cmp.source('coolant in')
cb = cmp.source('consumer back flow')
cf = cmp.sink('consumer feed flow')
amb_in = cmp.source('source ambient')
amb_out = cmp.sink('sink ambient')
ic_in = cmp.source('source intercool')
ic_out = cmp.sink('sink intercool')
c_out = cmp.sink('coolant out')
# consumer system
cd = cmp.heat_exchanger('condenser')
rp = cmp.pump('recirculation pump')
cons = cmp.heat_exchanger_simple('consumer')
# evaporator system
va = cmp.valve('valve')
dr = cmp.drum('drum')
ev = cmp.heat_exchanger('evaporator')
su = cmp.heat_exchanger('superheater')
pu = cmp.pump('pump evaporator')
# compressor-system
cp1 = cmp.compressor('compressor 1')
cp2 = cmp.compressor('compressor 2')
he = cmp.heat_exchanger('intercooler')
# busses
x = np.array([0, 0.7, 1, 1.3])
y = 1 / np.array([0.8, 0.95, 1, 0.98]) / 0.9583794
motor = cmp_char.characteristics(x=x, y=y)
self.power = con.bus('total compressor power')
self.power.add_comps({
'c': cp1,
'char': motor
}, {
'c': cp2,
'char': motor
})
self.heat = con.bus('total delivered heat')
self.heat.add_comps({'c': cd, 'char': -1})
self.nw.add_busses(self.power, self.heat)
# %% connections
# consumer system
c_in_cd = con.connection(c_in, 'out1', cd, 'in1')
cb_rp = con.connection(cb, 'out1', rp, 'in1')
rp_cd = con.connection(rp, 'out1', cd, 'in2')
self.cd_cons = con.connection(cd, 'out2', cons, 'in1')
cons_cf = con.connection(cons, 'out1', cf, 'in1')
self.nw.add_conns(c_in_cd, cb_rp, rp_cd, self.cd_cons, cons_cf)
# connection condenser - evaporator system
cd_va = con.connection(cd, 'out1', va, 'in1')
self.nw.add_conns(cd_va)
# evaporator system
va_dr = con.connection(va, 'out1', dr, 'in1')
dr_pu = con.connection(dr, 'out1', pu, 'in1')
pu_ev = con.connection(pu, 'out1', ev, 'in2')
ev_dr = con.connection(ev, 'out2', dr, 'in2')
dr_su = con.connection(dr, 'out2', su, 'in2')
self.nw.add_conns(va_dr, dr_pu, pu_ev, ev_dr, dr_su)
self.amb_in_su = con.connection(amb_in, 'out1', su, 'in1')
su_ev = con.connection(su, 'out1', ev, 'in1')
ev_amb_out = con.connection(ev, 'out1', amb_out, 'in1')
self.nw.add_conns(self.amb_in_su, su_ev, ev_amb_out)
# connection evaporator system - compressor system
su_cp1 = con.connection(su, 'out2', cp1, 'in1')
self.nw.add_conns(su_cp1)
# compressor-system
cp1_he = con.connection(cp1, 'out1', he, 'in1')
he_cp2 = con.connection(he, 'out1', cp2, 'in1')
cp2_c_out = con.connection(cp2, 'out1', c_out, 'in1')
ic_in_he = con.connection(ic_in, 'out1', he, 'in2')
he_ic_out = con.connection(he, 'out2', ic_out, 'in1')
self.nw.add_conns(cp1_he, he_cp2, ic_in_he, he_ic_out, cp2_c_out)
# %% component parametrization
# condenser system
rp.set_attr(eta_s=0.8, design=['eta_s'], offdesign=['eta_s_char'])
cons.set_attr(pr=1, design=['pr'], offdesign=['zeta'])
# evaporator system
ev.set_attr(pr1=1,
pr2=.999,
ttd_l=5,
design=['ttd_l'],
offdesign=['kA'],
kA_char1='EVA_HOT',
kA_char2='EVA_COLD')
# characteristic line for superheater kA
x = np.array(
[0, 0.045, 0.136, 0.244, 0.43, 0.6, 0.7, 0.8, 0.9, 1, 1.1, 1.2])
y = np.array(
[0, 0.037, 0.112, 0.207, 0.5, 0.8, 0.85, 0.9, 0.95, 1, 1.04, 1.07])
su_char = hlp.dc_cc(x=x, y=y, param='m')
su.set_attr(kA_char1='default',
kA_char2=su_char,
offdesign=['zeta1', 'zeta2', 'kA'])
pu.set_attr(eta_s=0.8, design=['eta_s'], offdesign=['eta_s_char'])
# compressor system
cp1.set_attr(eta_s=0.8, design=['eta_s'], offdesign=['eta_s_char'])
cp2.set_attr(eta_s=0.8, design=['eta_s'], offdesign=['eta_s_char'])
# characteristic line for intercooler kA
x = np.linspace(0, 2.5, 26)
y = np.array([
0.000, 0.164, 0.283, 0.389, 0.488, 0.581, 0.670, 0.756, 0.840,
0.921, 1.000, 1.078, 1.154, 1.228, 1.302, 1.374, 1.446, 1.516,
1.585, 1.654, 1.722, 1.789, 1.855, 1.921, 1.986, 2.051
])
he_char_cold = hlp.dc_cc(x=x, y=y, param='m')
he.set_attr(kA_char1='default',
kA_char2=he_char_cold,
offdesign=['zeta1', 'zeta2', 'kA'])
cd.set_attr(pr2=0.998, design=['pr2'], offdesign=['zeta2', 'kA'])
# %% connection parametrization
# condenser system
c_in_cd.set_attr(fluid={'water': 0, 'NH3': 1}, p=60)
cb_rp.set_attr(T=60, p=10, fluid={'water': 1, 'NH3': 0})
self.cd_cons.set_attr(T=105)
cons_cf.set_attr(h=con.ref(cb_rp, 1, 0), p=con.ref(cb_rp, 1, 0))
cd_va.set_attr(p=con.ref(c_in_cd, 1, -1000),
Td_bp=-5,
h0=500,
design=['Td_bp'])
# evaporator system cold side
pu_ev.set_attr(m=con.ref(va_dr, 10, 0), p0=5)
dr_su.set_attr(p0=5, T=5)
su_cp1.set_attr(p=con.ref(dr_su, 1, -5000),
Td_bp=5,
h0=1700,
design=['Td_bp', 'p'])
# evaporator system hot side
self.amb_in_su.set_attr(m=20, T=12, p=1, fluid={'water': 1, 'NH3': 0})
su_ev.set_attr(p=con.ref(self.amb_in_su, 1, -100), design=['p'])
ev_amb_out.set_attr()
# compressor-system
cp1_he.set_attr(p=15)
he_cp2.set_attr(T=40, p=con.ref(cp1_he, 1, -1000), design=['T', 'p'])
ic_in_he.set_attr(p=1, T=20, m=5, fluid={'water': 1, 'NH3': 0})
he_ic_out.set_attr(p=con.ref(ic_in_he, 1, -200), design=['p'])
cp2_c_out.set_attr(p=con.ref(c_in_cd, 1, 0), h=con.ref(c_in_cd, 1, 0))
cw_o = con.connection(cond, 'out2', cw_out, 'in1')
nw.add_conns(cw_i, cw_o, dh_i, dh_o)
# %% busses
# motor efficiency
x = np.array([0, 0.05, 0.1, 0.15, 0.2, 0.25, 0.3, 0.35, 0.4, 0.45, 0.5, 0.55,
0.6, 0.65, 0.7, 0.75, 0.8, 0.85, 0.9, 0.95, 1, 1.05, 1.1, 1.15,
1.2, 10])
y = np.array([0.01, 0.3148, 0.5346, 0.6843, 0.7835, 0.8477, 0.8885, 0.9145,
0.9318, 0.9443, 0.9546, 0.9638, 0.9724, 0.9806, 0.9878, 0.9938,
0.9982, 1.0009, 1.002, 1.0015, 1, 0.9977, 0.9947, 0.9909, 0.9853,
0.9644]) / 0.97
mot1 = cmp_char.characteristics(x=x, y=y)
mot2 = cmp_char.characteristics(x=x, y=y)
mot3 = cmp_char.characteristics(x=x, y=y)
mot4 = cmp_char.characteristics(x=x, y=y)
# generator efficiency
x = np.array([0.100, 0.345, 0.359, 0.383, 0.410, 0.432, 0.451, 0.504, 0.541,
0.600, 0.684, 0.805, 1.000, 1.700, 10])
y = np.array([0.976, 0.989, 0.990, 0.991, 0.992, 0.993, 0.994, 0.995, 0.996,
0.997, 0.998, 0.999, 1.000, 0.999, 0.99]) * 0.984
gen1 = cmp_char.characteristics(x=x, y=y)
gen2 = cmp_char.characteristics(x=x, y=y)
power = con.bus('power output')
power.add_comps({'c': g_turb, 'char': gen1}, {'c': comp, 'char': 1},
