from .SynchronousMachineDetailed import SynchronousMachineDetailed
from .CGMESProfile import Profile
[docs]
class SynchronousMachineEquivalentCircuit(SynchronousMachineDetailed):
"""
The electrical equations for all variations of the synchronous models are based on the SynchronousEquivalentCircuit diagram for the direct and quadrature axes. = + = + * / ( + ) = + * * / ( * + * + * ) = + = + * / (+ ) = + ** / ( * + * + * ) = ( + ) / ( * ) = ( * + * + * ) / ( * * ( + ) = ( + ) / ( * ) = ( * + * + * )/ ( * * ( + ) Same equations using CIM attributes from SynchronousMachineTimeConstantReactance class on left of = sign and SynchronousMachineEquivalentCircuit class on right (except as noted): xDirectSync = xad + RotatingMachineDynamics.statorLeakageReactance xDirectTrans = RotatingMachineDynamics.statorLeakageReactance + xad * xfd / (xad + xfd) xDirectSubtrans = RotatingMachineDynamics.statorLeakageReactance + xad * xfd * x1d / (xad * xfd + xad * x1d + xfd * x1d) xQuadSync = xaq + RotatingMachineDynamics.statorLeakageReactance xQuadTrans = RotatingMachineDynamics.statorLeakageReactance + xaq * x1q / (xaq+ x1q) xQuadSubtrans = RotatingMachineDynamics.statorLeakageReactance + xaq * x1q* x2q / (xaq * x1q + xaq * x2q + x1q * x2q) tpdo = (xad + xfd) / (2*pi*nominal frequency * rfd) tppdo = (xad * xfd + xad * x1d + xfd * x1d) / (2*pi*nominal frequency * r1d * (xad + xfd) tpqo = (xaq + x1q) / (2*pi*nominal frequency * r1q) tppqo = (xaq * x1q + xaq * x2q + x1q * x2q)/ (2*pi*nominal frequency * r2q * (xaq + x1q). Are only valid for a simplified model where "Canay" reactance is zero.
:r1d: D-axis damper 1 winding resistance. Default: 0.0
:r1q: Q-axis damper 1 winding resistance. Default: 0.0
:r2q: Q-axis damper 2 winding resistance. Default: 0.0
:rfd: Field winding resistance. Default: 0.0
:x1d: D-axis damper 1 winding leakage reactance. Default: 0.0
:x1q: Q-axis damper 1 winding leakage reactance. Default: 0.0
:x2q: Q-axis damper 2 winding leakage reactance. Default: 0.0
:xad: D-axis mutual reactance. Default: 0.0
:xaq: Q-axis mutual reactance. Default: 0.0
:xf1d: Differential mutual (`Canay`) reactance. Default: 0.0
:xfd: Field winding leakage reactance. Default: 0.0
"""
possibleProfileList = {
"class": [Profile.DY.value, ],
"r1d": [Profile.DY.value, ],
"r1q": [Profile.DY.value, ],
"r2q": [Profile.DY.value, ],
"rfd": [Profile.DY.value, ],
"x1d": [Profile.DY.value, ],
"x1q": [Profile.DY.value, ],
"x2q": [Profile.DY.value, ],
"xad": [Profile.DY.value, ],
"xaq": [Profile.DY.value, ],
"xf1d": [Profile.DY.value, ],
"xfd": [Profile.DY.value, ],
}
serializationProfile = {}
recommendedClassProfile = Profile.DY.value
__doc__ += "\nDocumentation of parent class SynchronousMachineDetailed:\n" + SynchronousMachineDetailed.__doc__
def __init__(self, r1d = 0.0, r1q = 0.0, r2q = 0.0, rfd = 0.0, x1d = 0.0, x1q = 0.0, x2q = 0.0, xad = 0.0, xaq = 0.0, xf1d = 0.0, xfd = 0.0, *args, **kw_args):
super().__init__(*args, **kw_args)
self.r1d = r1d
self.r1q = r1q
self.r2q = r2q
self.rfd = rfd
self.x1d = x1d
self.x1q = x1q
self.x2q = x2q
self.xad = xad
self.xaq = xaq
self.xf1d = xf1d
self.xfd = xfd
def __str__(self):
str = "class=SynchronousMachineEquivalentCircuit\n"
attributes = self.__dict__
for key in attributes.keys():
str = str + key + "={}\n".format(repr(attributes[key]))
return str