Class ACLineSegment

                         object --+        
                                  |        
                   Element'.Element --+    
                                      |    
Core.IdentifiedObject'.IdentifiedObject --+
                                          |
                                         ACLineSegment

A wire or combination of wires, with consistent electrical characteristics, building a single electrical system, used to carry alternating current between points in the power system. For symmetrical, transposed 3ph lines, it is sufficient to use ACLineSegment attributes, which describe sequence impedances and admittances for the entire length of the segment. If per lenght impedance data is available from a library of standard types, impedances and admittances can be calculated in one of the following ways: - calculate electrical parameters from asset data, using associated ConductorInfo, with values then multiplied by Conductor.length to produce a matrix model. - calculate unbalanced electrical parameters from associated PerLengthPhaseImpedance, then multiplied by Conductor.length to produce a matrix model. - calculate transposed electrical parameters from associated PerLengthSequenceImpedance, then multiplied by Conductor.length to produce a sequence model.

Instance Methods

[hide private]

__init__(self, x0=0.0, bch=0.0, b0ch=0.0, r=0.0, r0=0.0, x=0.0, *args, **kw_args)
Initialises a new 'ACLineSegment' instance.

Inherited from Core.IdentifiedObject'.IdentifiedObject: addNames, getNames, removeNames, setNames

Inherited from object: __delattr__, __format__, __getattribute__, __hash__, __new__, __reduce__, __reduce_ex__, __repr__, __setattr__, __sizeof__, __str__, __subclasshook__

Class Variables

[hide private]

_attr_types = {'b0ch': <type 'float'>, 'bch': <type 'float'>, ...

_attrs = ['x0', 'bch', 'b0ch', 'r', 'r0', 'x']

_defaults = {'b0ch': 0.0, 'bch': 0.0, 'r': 0.0, 'r0': 0.0, 'x'...

_many_refs = []

_refs = []

Inherited from Element'.Element (private): _enums

Properties

[hide private]

Inherited from Core.IdentifiedObject'.IdentifiedObject: Names

Inherited from object: __class__

Method Details

[hide private]

init(self, x0=0.0, bch=0.0, b0ch=0.0, r=0.0, r0=0.0, x=0.0, *args, **kw_args)
(Constructor)

Initialises a new 'ACLineSegment' instance.

Parameters:

x0 - Zero sequence series reactance of the entire line section.
bch - Positive sequence shunt (charging) susceptance, uniformly distributed, of the entire line section. This value represents the full charging over the full length of the line.
b0ch - Zero sequence shunt (charging) susceptance, uniformly distributed, of the entire line section.
r - Positive sequence series resistance of the entire line section.
r0 - Zero sequence series resistance of the entire line section.
x - Positive sequence series reactance of the entire line section.

Overrides: object.__init__

Class Variable Details

[hide private]

_attr_types

Value:

{'b0ch': <type 'float'>,
 'bch': <type 'float'>,
 'r': <type 'float'>,
 'r0': <type 'float'>,
 'x': <type 'float'>,
 'x0': <type 'float'>}

_defaults

Value:

{'b0ch': 0.0, 'bch': 0.0, 'r': 0.0, 'r0': 0.0, 'x': 0.0, 'x0': 0.0}

Class ACLineSegment

__init__(self, x0=0.0, bch=0.0, b0ch=0.0, r=0.0, r0=0.0, x=0.0, *args, **kw_args) (Constructor)

_attr_types

_defaults

init(self, x0=0.0, bch=0.0, b0ch=0.0, r=0.0, r0=0.0, x=0.0, *args, **kw_args)
(Constructor)