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 three phase lines, it is sufficient to use attributes of the line segment, which describe impedances and admittances for the entire length of the segment. Additionally impedances can be computed by using length and associated per length impedances. The BaseVoltage at the two ends of ACLineSegments in a Line shall have the same BaseVoltage.nominalVoltage. However, boundary lines may have slightly different BaseVoltage.nominalVoltages and variation is allowed. Larger voltage difference in general requires use of an equivalent branch.
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CIM standard (perspective) |
IEC61970 (Grid) |
Slots
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0..1 |
Positive sequence shunt (charging) susceptance, uniformly distributed, of the entire line section. This value represents... |
n/a |
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0..1 |
Positive sequence shunt (charging) conductance, uniformly distributed, of the entire line section. |
n/a |
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0..1 |
Positive sequence series resistance of the entire line section. |
n/a |
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0..1 |
Positive sequence series reactance of the entire line section. |
n/a |
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0..1 |
The aggregate flag provides an alternative way of representing an aggregated (equivalent) element. It is applicable in cases... |
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0..1 |
Location of this power system resource. |
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0..1 |
The description is a free human readable text describing or naming the object. It may be non unique and may not correlate to... |
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1 |
Master resource identifier issued by a model authority. The mRID is unique within an exchange context. Global uniqueness is... |
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0..* |
All names of this identified object. |
aggregate
The aggregate flag provides an alternative way of representing an aggregated (equivalent) element. It is applicable in cases when the dedicated classes for equivalent equipment do not have all of the attributes necessary to represent the required level of detail. In case the flag is set to “true” the single instance of equipment represents multiple pieces of equipment that have been modelled together as an aggregate equivalent obtained by a network reduction procedure. Examples would be power transformers or synchronous machines operating in parallel modelled as a single aggregate power transformer or aggregate synchronous machine. The attribute is not used for EquivalentBranch, EquivalentShunt and EquivalentInjection.
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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.
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0..1 |
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description
The description is a free human readable text describing or naming the object. It may be non unique and may not correlate to a naming hierarchy.
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0..1 |
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gch
Positive sequence shunt (charging) conductance, uniformly distributed, of the entire line section.
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0..1 |
Type |
location
Location of this power system resource.
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0..1 |
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m_rid
Master resource identifier issued by a model authority. The mRID is unique within an exchange context. Global uniqueness is easily achieved by using a UUID, as specified in RFC 4122, for the mRID. The use of UUID is strongly recommended. For CIMXML data files in RDF syntax conforming to IEC 61970-552, the mRID is mapped to rdf:ID or rdf:about attributes that identify CIM object elements.
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1 |
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names
All names of this identified object.
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0..* |
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r
Positive sequence series resistance of the entire line section.
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Cardinality |
0..1 |
Type |