def to_grg_dcline(self, lookup, base_mva, omit_subtype=False):
'''Returns: a grg data dc line name and data as a dictionary'''
if self.pmin >= 0 and self.pmax >= 0:
active_1_min = self.pmin
active_1_max = self.pmax
active_2_min = self.loss0 - active_1_max * (1 - self.loss1)
active_2_max = self.loss0 - active_1_min * (1 - self.loss1)
if self.pmin >= 0 and self.pmax < 0:
active_1_min = self.pmin
active_2_min = self.pmax
active_1_max = (-active_2_min + self.loss0) / (1 - self.loss1)
active_2_max = self.loss0 - active_1_min * (1 - self.loss1)
if self.pmin < 0 and self.pmax >= 0:
active_2_max = -self.pmin
active_1_max = self.pmax
active_1_min = (-active_2_max + self.loss0) / (1 - self.loss1)
active_2_min = self.loss0 - active_1_max * (1 - self.loss1)
if self.pmin < 0 and self.pmax < 0:
active_2_max = -self.pmin
active_2_min = self.pmax
active_1_max = (-active_2_min + self.loss0) / (1 - self.loss1)
active_1_min = (-active_2_max + self.loss0) / (1 - self.loss1)
data = {
'type': 'dc_line',
'id': lookup['dcline'][self.index],
'source_id': str(self.index),
'link_1': lookup['voltage'][self.f_bus],
'link_2': lookup['voltage'][self.t_bus],
'resistance': 0.0,
'losses_1': {
'min': active_1_min / base_mva,
'max': active_1_max / base_mva,
'c_0': 0.0,
'c_1': 0.0,
},
'losses_2': {
'min': active_2_min / base_mva,
'max': active_2_max / base_mva,
'c_0': self.loss0,
'c_1': self.loss1,
},
'output_1': {
'reactive':
grg_common.build_range_variable(self.qminf / base_mva,
self.qmaxf / base_mva)
},
'output_2': {
'reactive':
grg_common.build_range_variable(self.qmint / base_mva,
self.qmaxt / base_mva)
},
}
return data
def to_grg_generator(self, lookup, base_mva, omit_subtype=False):
'''Returns: a grg data gen name and data as a dictionary'''
data = {
'id': lookup['gen'][self.index],
'link': lookup['voltage'][self.gen_bus],
'source_id': str(self.index),
'mbase': self.mbase,
'vg': self.vg,
}
if self.apf != 0.0:
data['apf'] = self.apf
if self.is_synchronous_condenser():
# TODO throw warning that this gen is becoming a synchronous_condenser
data.update({
'type': 'synchronous_condenser',
'output': {
'reactive':
grg_common.build_range_variable(self.qmin / base_mva,
self.qmax / base_mva),
}
})
else:
data.update({
'type': 'generator',
'output': {
'active':
grg_common.build_range_variable(self.pmin / base_mva,
self.pmax / base_mva),
'reactive':
grg_common.build_range_variable(self.qmin / base_mva,
self.qmax / base_mva),
}
})
return data
def to_grg_bus(self, lookup, omit_subtype=False):
'''Returns: a grg data bus name and data as a dictionary'''
if omit_subtype:
warnings.warn(
'attempted to omit subtype on bus \'%s\', but this is not allowed.'
% str(self.bus_i), MP2GRGWarning)
data = {
'source_id': str(self.bus_i),
'id': lookup['bus'][self.bus_i],
'type': 'bus',
'link': lookup['voltage'][self.bus_i],
'voltage': {
'magnitude':
grg_common.build_range_variable(self.vmin, self.vmax),
'angle': grg_common.build_range_variable('-Inf', 'Inf'),
}
}
if self.bus_type == 3:
data['reference'] = True
return data
def _grg_tap_changer(self):
tap_value = self.tap
if tap_value == 0.0:
assert (self.shift != 0.0)
tap_value = 1.0
return {
'position':
grg_common.build_range_variable(0, 0),
'impedance': {
'resistance':
grg_common.build_range_variable(self.br_r, self.br_r),
'reactance':
grg_common.build_range_variable(self.br_x, self.br_x)
},
'shunt': {
'conductance':
grg_common.build_range_variable(0, 0),
'susceptance':
grg_common.build_range_variable(self.br_b, self.br_b),
},
'transform': {
'tap_ratio':
grg_common.build_range_variable(tap_value, tap_value),
'angle_shift':
grg_common.build_range_variable(math.radians(self.shift),
math.radians(self.shift)),
},
'steps': [{
'position': 0,
'impedance': {
'resistance': self.br_r,
'reactance': self.br_x
},
'shunt': {
'conductance': 0.0,
'susceptance': self.br_b
},
'transform': {
'tap_ratio': tap_value,
'angle_shift': math.radians(self.shift)
}
}]
}
def get_grg_operations(self, lookup):
key = lookup['branch'][self.index] + '/angle_difference'
value = grg_common.build_range_variable(math.radians(self.angmin),
math.radians(self.angmax))
return key, value