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"""
"""
from ..unitquantity import UnitQuantity
from .energy import Btu, J
from .time import s, h, min
from .electromagnetism import A, V
from .length import ft
from .force import lbf
W = watt = volt_ampere = UnitQuantity(
'watt',
J/s,
symbol='W',
aliases=['watts', 'volt_ampere', 'volt_amperes', 'VA']
)
mW = milliwatt = UnitQuantity(
'milliwatt',
W/1000,
symbol='mW',
aliases=['milliwatts']
)
kW = kilowatt = UnitQuantity(
'kilowatt',
1000*W,
symbol='kW',
aliases=['kilowatts']
)
MW = megawatt = UnitQuantity(
'megawatt',
1000*kW,
symbol='MW',
aliases=['megawatts']
)
hp = horsepower = UK_horsepower = British_horsepower = UnitQuantity(
'horsepower',
33000*ft*lbf/min,
symbol='hp',
aliases=['UK_horsepower', 'British_horsepower']
)
boiler_horsepower = UnitQuantity(
'boiler_horsepower',
33475*Btu/h
)
metric_horsepower = UnitQuantity(
'metric_horsepower',
0.73549875*kW,
doc='exact'
)
electric_horsepower = UnitQuantity(
'electric_horsepower',
746*W
)
water_horsepower = UnitQuantity(
'water_horsepower',
746.043*W,
doc='exact'
)
refrigeration_ton = ton_of_refrigeration = UnitQuantity(
'refrigeration_ton',
12000*Btu/h,
aliases=['ton_of_refrigeration']
)
del UnitQuantity, Btu, J, s, h, A, V
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