class SimulatedCogenerationUnitMethodUpdateParametersTest(unittest.TestCase):
def setUp(self):
self.env = BaseEnvironment()
self.heat_storage = Mock(spec=SimulatedHeatStorage)
self.power_meter = SimulatedPowerMeter(0, self.env)
self.cu = SimulatedCogenerationUnit(1, self.env)
self.cu.heat_storage = self.heat_storage
self.cu.power_meter = self.power_meter
self.cu.config['minimal_workload'] = 0.20
self.cu.off_time = self.env.now - 1
self.gas_input = 20.0
self.cu.config['max_gas_input'] = self.gas_input
self.electrical_efficiency = 0.25
self.cu.config['electrical_efficiency'] = self.electrical_efficiency
self.thermal_efficiency = 0.7
self.cu.config['thermal_efficiency'] = self.thermal_efficiency
self.total_hours_of_operation = 1
self.cu.total_hours_of_operation = self.total_hours_of_operation
def test_normal_workload(self):
'''The given workload shouldn't be altered if the workload is valid.
current gas consumption,
current electrical production,
current thermal production and
total_hours_of_operation
should be set.
'''
precalculated_workload = 0.5
self.cu.set_workload(precalculated_workload)
self.cu.consume_and_produce_energy()
expected_current_gas_consumption = self.gas_input * \
precalculated_workload
complete_current_power = expected_current_gas_consumption * \
self.cu.get_efficiency_loss_factor()
expected_current_electrical_production = self.electrical_efficiency * \
complete_current_power
expected_current_thermal_production = self.thermal_efficiency * \
complete_current_power
# assumption: self.env.step_size are seconds per step
self.total_hours_of_operation += self.env.step_size/(60.0*60.0)
self.assertEqual(self.cu._workload, precalculated_workload,
"new workload is wrong. " +
values_comparison(self.cu._workload, precalculated_workload))
self.assertEqual(self.cu.current_gas_consumption,
expected_current_gas_consumption,
"current_gas_consumption is wrong. " +
values_comparison(self.cu.current_gas_consumption,
expected_current_gas_consumption))
self.assertAlmostEqual(self.cu.current_electrical_production,
expected_current_electrical_production)
self.assertAlmostEqual(self.cu.current_thermal_production,
expected_current_thermal_production)
self.assertEqual(self.cu.total_hours_of_operation,
self.total_hours_of_operation,
"total_hours_of_operation is wrong. " +
values_comparison(self.cu.total_hours_of_operation,
self.total_hours_of_operation))
def test_power_on_count(self):
''' the cu should increment the power on count
if the cu was turned off
and is turned on again'''
precalculated_workload = 0.5
self.cu._workload = 0 # means the cu was turned off
power_on_count = 0
self.cu.power_on_count = power_on_count
self.cu.set_workload(precalculated_workload)
self.assertEqual(self.cu.power_on_count, power_on_count + 1)
def test_power_on_count_unaffected(self):
''' the cu musn't increment the power on count
if the cu was turned on'''
precalculated_workload = 0.35
self.cu._workload = 25 # means the cu was turned on
power_on_count = 0
self.cu.power_on_count = power_on_count
self.cu.set_workload(precalculated_workload)
self.assertEqual(self.cu.power_on_count, power_on_count)
def test_too_low_workload(self):
''' The workload should be zero if the given workload is
less than the minimal workload.'''
precalculated_workload = 0.10
old_hours = self.total_hours_of_operation
self.cu.set_workload(precalculated_workload)
self.assertEqual(self.cu._workload, 0,
"workload is wrong. " +
values_comparison(self.cu._workload, 0))
self.assertEqual(self.cu.current_gas_consumption, 0,
"current_gas_consumption is wrong. " +
values_comparison(self.cu.current_gas_consumption, 0))
self.assertEqual(self.cu.current_electrical_production, 0,
"current_electrical_production is wrong. " +
values_comparison(self.cu.current_electrical_production, 0))
self.assertEqual(self.cu.current_thermal_production, 0,
"current_thermal_production is wrong. " +
values_comparison(self.cu.current_thermal_production, 0))
self.assertEqual(self.cu.total_hours_of_operation, old_hours,
"total_hours_of_operation is wrong. " +
values_comparison(self.cu.total_hours_of_operation, old_hours))
def test_too_high_workload(self):
'''If the workload is greater than 1 it should be truncated to 1.'''
precalculated_workload = 2.0
self.cu.set_workload(precalculated_workload)
self.cu.consume_and_produce_energy()
expected_current_gas_consumption = self.gas_input
complete_current_power = expected_current_gas_consumption * \
self.cu.get_efficiency_loss_factor()
expected_current_electrical_production = self.electrical_efficiency * \
complete_current_power
expected_current_thermal_production = self.thermal_efficiency * \
complete_current_power
# assumption: self.env.step_size are seconds per step
self.total_hours_of_operation += self.env.step_size/(60.0*60.0)
self.assertEqual(self.cu._workload, 1,
"wrong workload. " +
values_comparison(self.cu._workload, 1))
self.assertEqual(self.cu.current_gas_consumption,
expected_current_gas_consumption,
"wrong current_gas_consumption. " +
values_comparison(self.cu.current_gas_consumption,
expected_current_gas_consumption))
self.assertEqual(self.cu.current_electrical_production,
expected_current_electrical_production,
"wrong expected_current_electrical_production. " +
values_comparison(self.cu.current_electrical_production,
expected_current_electrical_production))
self.assertEqual(self.cu.current_thermal_production,
expected_current_thermal_production,
"wrong current_thermal_production. " +
values_comparison(self.cu.current_thermal_production,
expected_current_thermal_production))
self.assertEqual(self.cu.total_hours_of_operation,
self.total_hours_of_operation,
"wrong total_hours_of_operation. " +
values_comparison(self.cu.total_hours_of_operation,
self.total_hours_of_operation))
def test_workload_off_time_effective(self):
'''If the offtime is in the future the bhkw must stay turned off.'''
self.cu.off_time = self.env.now + 1
old_hours = self.total_hours_of_operation
self.cu.set_workload(self.cu.calculate_new_workload())
self.assertEqual(self.cu._workload, 0,
"workload is wrong. " +
values_comparison(self.cu._workload, 0))
self.assertEqual(self.cu.current_gas_consumption, 0,
"current_gas_consumption is wrong. " +
values_comparison(self.cu.current_gas_consumption, 0))
self.assertEqual(self.cu.current_electrical_production, 0,
"current_electrical_production is wrong." +
values_comparison(self.cu.current_electrical_production, 0))
self.assertEqual(self.cu.current_thermal_production, 0,
"current_thermal_production is wrong . " +
values_comparison(self.cu.current_thermal_production, 0))
self.assertEqual(self.cu.total_hours_of_operation, old_hours,
"total_hours_of_operation is wrong. " +
values_comparison(self.cu.total_hours_of_operation, old_hours))
def test_turn_bhkw_off(self):
'''If the cu is turned off, there must be an offtime
which determines the time the cu stays turned off
'''
self.cu._workload = 0.30
new_workload = 0
self.cu.thermal_driven = True
required_energy = 0.0
self.heat_storage.get_required_energy.return_value = required_energy
off_time = self.env.now
self.cu.off_time = off_time
self.cu.set_workload(new_workload)
self.assertGreater(self.cu.off_time, off_time)
def test_consume_and_produce_energy(self):
'''increases total_gas_consumtion,
total_thermal_production and
total_electrical_production
all are measured in energy'''
self.cu.total_gas_consumption = 0
self.cu.total_thermal_production = 0
self.cu.total_electrical_production = 0
self.cu._workload = 1
self.cu.consume_and_produce_energy()
self.assertGreater(self.cu.total_gas_consumption,0,
"wrong total_gas_consumption. " +
values_comparison(self.cu.total_gas_consumption,0))
self.assertGreater(self.cu.total_thermal_production,0,
"wrong total_thermal_production " +
values_comparison(self.cu.total_thermal_production,0))
self.assertGreater(self.cu.total_electrical_production,0,
"wrong total_electrical_production" +
values_comparison(self.cu.total_electrical_production,0))
class SimulatedCogenerationUnitMethodUpdateParametersTest(unittest.TestCase):
def setUp(self):
self.env = BaseEnvironment()
self.heat_storage = Mock(spec=SimulatedHeatStorage)
self.power_meter = SimulatedPowerMeter(0, self.env)
self.cu = SimulatedCogenerationUnit(1, self.env)
self.cu.heat_storage = self.heat_storage
self.cu.power_meter = self.power_meter
self.cu.config['minimal_workload'] = 0.20
self.cu.off_time = self.env.now - 1
self.gas_input = 20.0
self.cu.config['max_gas_input'] = self.gas_input
self.electrical_efficiency = 0.25
self.cu.config['electrical_efficiency'] = self.electrical_efficiency
self.thermal_efficiency = 0.7
self.cu.config['thermal_efficiency'] = self.thermal_efficiency
self.total_hours_of_operation = 1
self.cu.total_hours_of_operation = self.total_hours_of_operation
def test_normal_workload(self):
'''The given workload shouldn't be altered if the workload is valid.
current gas consumption,
current electrical production,
current thermal production and
total_hours_of_operation
should be set.
'''
precalculated_workload = 0.5
self.cu.set_workload(precalculated_workload)
self.cu.consume_and_produce_energy()
expected_current_gas_consumption = self.gas_input * \
precalculated_workload
complete_current_power = expected_current_gas_consumption * \
self.cu.get_efficiency_loss_factor()
expected_current_electrical_production = self.electrical_efficiency * \
complete_current_power
expected_current_thermal_production = self.thermal_efficiency * \
complete_current_power
# assumption: self.env.step_size are seconds per step
self.total_hours_of_operation += self.env.step_size / (60.0 * 60.0)
self.assertEqual(
self.cu._workload, precalculated_workload,
"new workload is wrong. " +
values_comparison(self.cu._workload, precalculated_workload))
self.assertEqual(
self.cu.current_gas_consumption, expected_current_gas_consumption,
"current_gas_consumption is wrong. " +
values_comparison(self.cu.current_gas_consumption,
expected_current_gas_consumption))
self.assertAlmostEqual(self.cu.current_electrical_production,
expected_current_electrical_production)
self.assertAlmostEqual(self.cu.current_thermal_production,
expected_current_thermal_production)
self.assertEqual(
self.cu.total_hours_of_operation, self.total_hours_of_operation,
"total_hours_of_operation is wrong. " +
values_comparison(self.cu.total_hours_of_operation,
self.total_hours_of_operation))
def test_power_on_count(self):
''' the cu should increment the power on count
if the cu was turned off
and is turned on again'''
precalculated_workload = 0.5
self.cu._workload = 0 # means the cu was turned off
power_on_count = 0
self.cu.power_on_count = power_on_count
self.cu.set_workload(precalculated_workload)
self.assertEqual(self.cu.power_on_count, power_on_count + 1)
def test_power_on_count_unaffected(self):
''' the cu musn't increment the power on count
if the cu was turned on'''
precalculated_workload = 0.35
self.cu._workload = 25 # means the cu was turned on
power_on_count = 0
self.cu.power_on_count = power_on_count
self.cu.set_workload(precalculated_workload)
self.assertEqual(self.cu.power_on_count, power_on_count)
def test_too_low_workload(self):
''' The workload should be zero if the given workload is
less than the minimal workload.'''
precalculated_workload = 0.10
old_hours = self.total_hours_of_operation
self.cu.set_workload(precalculated_workload)
self.assertEqual(
self.cu._workload, 0,
"workload is wrong. " + values_comparison(self.cu._workload, 0))
self.assertEqual(
self.cu.current_gas_consumption, 0,
"current_gas_consumption is wrong. " +
values_comparison(self.cu.current_gas_consumption, 0))
self.assertEqual(
self.cu.current_electrical_production, 0,
"current_electrical_production is wrong. " +
values_comparison(self.cu.current_electrical_production, 0))
self.assertEqual(
self.cu.current_thermal_production, 0,
"current_thermal_production is wrong. " +
values_comparison(self.cu.current_thermal_production, 0))
self.assertEqual(
self.cu.total_hours_of_operation, old_hours,
"total_hours_of_operation is wrong. " +
values_comparison(self.cu.total_hours_of_operation, old_hours))
def test_too_high_workload(self):
'''If the workload is greater than 1 it should be truncated to 1.'''
precalculated_workload = 2.0
self.cu.set_workload(precalculated_workload)
self.cu.consume_and_produce_energy()
expected_current_gas_consumption = self.gas_input
complete_current_power = expected_current_gas_consumption * \
self.cu.get_efficiency_loss_factor()
expected_current_electrical_production = self.electrical_efficiency * \
complete_current_power
expected_current_thermal_production = self.thermal_efficiency * \
complete_current_power
# assumption: self.env.step_size are seconds per step
self.total_hours_of_operation += self.env.step_size / (60.0 * 60.0)
self.assertEqual(
self.cu._workload, 1,
"wrong workload. " + values_comparison(self.cu._workload, 1))
self.assertEqual(
self.cu.current_gas_consumption, expected_current_gas_consumption,
"wrong current_gas_consumption. " +
values_comparison(self.cu.current_gas_consumption,
expected_current_gas_consumption))
self.assertEqual(
self.cu.current_electrical_production,
expected_current_electrical_production,
"wrong expected_current_electrical_production. " +
values_comparison(self.cu.current_electrical_production,
expected_current_electrical_production))
self.assertEqual(
self.cu.current_thermal_production,
expected_current_thermal_production,
"wrong current_thermal_production. " +
values_comparison(self.cu.current_thermal_production,
expected_current_thermal_production))
self.assertEqual(
self.cu.total_hours_of_operation, self.total_hours_of_operation,
"wrong total_hours_of_operation. " +
values_comparison(self.cu.total_hours_of_operation,
self.total_hours_of_operation))
def test_workload_off_time_effective(self):
'''If the offtime is in the future the bhkw must stay turned off.'''
self.cu.off_time = self.env.now + 1
old_hours = self.total_hours_of_operation
self.cu.set_workload(self.cu.calculate_new_workload())
self.assertEqual(
self.cu._workload, 0,
"workload is wrong. " + values_comparison(self.cu._workload, 0))
self.assertEqual(
self.cu.current_gas_consumption, 0,
"current_gas_consumption is wrong. " +
values_comparison(self.cu.current_gas_consumption, 0))
self.assertEqual(
self.cu.current_electrical_production, 0,
"current_electrical_production is wrong." +
values_comparison(self.cu.current_electrical_production, 0))
self.assertEqual(
self.cu.current_thermal_production, 0,
"current_thermal_production is wrong . " +
values_comparison(self.cu.current_thermal_production, 0))
self.assertEqual(
self.cu.total_hours_of_operation, old_hours,
"total_hours_of_operation is wrong. " +
values_comparison(self.cu.total_hours_of_operation, old_hours))
def test_turn_bhkw_off(self):
'''If the cu is turned off, there must be an offtime
which determines the time the cu stays turned off
'''
self.cu._workload = 0.30
new_workload = 0
self.cu.thermal_driven = True
required_energy = 0.0
self.heat_storage.get_required_energy.return_value = required_energy
off_time = self.env.now
self.cu.off_time = off_time
self.cu.set_workload(new_workload)
self.assertGreater(self.cu.off_time, off_time)
def test_consume_and_produce_energy(self):
'''increases total_gas_consumtion,
total_thermal_production and
total_electrical_production
all are measured in energy'''
self.cu.total_gas_consumption = 0
self.cu.total_thermal_production = 0
self.cu.total_electrical_production = 0
self.cu._workload = 1
self.cu.consume_and_produce_energy()
self.assertGreater(
self.cu.total_gas_consumption, 0, "wrong total_gas_consumption. " +
values_comparison(self.cu.total_gas_consumption, 0))
self.assertGreater(
self.cu.total_thermal_production, 0,
"wrong total_thermal_production " +
values_comparison(self.cu.total_thermal_production, 0))
self.assertGreater(
self.cu.total_electrical_production, 0,
"wrong total_electrical_production" +
values_comparison(self.cu.total_electrical_production, 0))
