exported
necessary
power transformer primary winding
IRI:
http://www.inf.ufrgs.br/ontologies/copi#Powertransformerprimarywinding
Generated on 2026-05-04
Natural Language Definition
EN
A TransformerWinding that is part of a power transformer and that serves as the primary winding receiving input electrical power for electromagnetic transformation.
PT-BR
Um enrolamento de transformador que é parte de um transformador de potência e que serve como enrolamento primário recebendo energia elétrica de entrada para transformação eletromagnética.
Formal Axioms
Semi-formal (Aristotelian)
PowerTransformerPrimaryWinding is-a TransformerWinding that is-part-of PowerTransformer and has-function PrimaryWindingFunction
First-Order Logic Theory
Loading…
▸ Stored override
∀x(PowerTransformerPrimaryWinding(x) → TransformerWinding(x) ∧ ∃y(PowerTransformer(y) ∧ partOf(x,y)) ∧ ∃f(PrimaryWindingFunction(f) ∧ bearerOf(x,f)))
OWL 2 / Turtle
@prefix copi: <https://www.inf.ufrgs.br/ontologies/copi/> .
@prefix : <https://www.inf.ufrgs.br/ontologies/copi/> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix bfo: <http://purl.obolibrary.org/obo/> .
@prefix iof-core: <https://spec.industrialontologies.org/ontology/construct/> .
@prefix iof-av: <https://spec.industrialontologies.org/ontology/annotation/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix qudt: <http://qudt.org/schema/qudt/> .
@prefix dcterms: <http://purl.org/dc/terms/> .
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
@prefix apv: <http://inf.ufrgs.br/ontologies/apv#> .
### COPI — Core Ontology for Petroleum Installations
### Class module: PowerTransformerPrimaryWinding
<https://www.inf.ufrgs.br/ontologies/copi>
rdf:type owl:Ontology ;
dcterms:title "Core Ontology for Petroleum Installations (COPI)"@en ;
dcterms:title "Ontologia Core para Instalações de Petróleo (COPI)"@pt-br ;
dcterms:description "BFO/IOF-Core conformant ontology of equipment classes for petroleum production plants, developed using the five-step RDL enrichment method."@en ;
skos:scopeNote "Material artifacts (bfo:material_entity) that (i) are part of a petroleum production plant, and (ii) bear at least one function whose realization involves the transport (e.g. production and injection), processing (separation and other processes), control, monitoring, measurement, containment or offloading of material or energy."@en ;
skos:scopeNote "Artefatos materiais (bfo:material_entity) que (i) fazem parte de uma planta de produção de petróleo, e (ii) possuem ao menos uma função cuja realização envolve o transporte (p. ex. produção e injeção), processamento (separação e outros processos), controle, monitoramento, medição, contenção ou escoamento de material ou energia."@pt-br ;
skos:scopeNote "COPI provides high-level equipment categories defined by function to demonstrate the defined-class mechanism. Equipment subtypes are annotated with references to CFIHOS and PCA RDL terms. COPI is not a reference data library; organizations should use CFIHOS, PCA RDL, or ISO 14224 for comprehensive equipment classification."@en ;
skos:scopeNote "COPI fornece categorias de alto nível de equipamentos definidas por função para demonstrar o mecanismo de classe definida. Os subtipos de equipamentos são anotados com referências aos termos do CFIHOS e do PCA RDL. COPI não é uma biblioteca de dados de referência; organizações devem utilizar o CFIHOS, o PCA RDL ou a ISO 14224 para classificação abrangente de equipamentos."@pt-br ;
owl:versionInfo "1.1.0" ;
owl:imports <https://spec.industrialontologies.org/ontology/core/Core/> ;
owl:imports <http://purl.obolibrary.org/obo/bfo/2020/bfo.owl> ;
dcterms:creator "Nicolau Oyhenard dos Santos"@en ;
dcterms:contributor "Cauã Antunes" ;
dcterms:contributor "Haroldo Rojas" ;
dcterms:contributor "Rafael Petry" ;
dcterms:contributor "Régis Romeu" ;
dcterms:contributor "Mara Abel" ;
dcterms:isPartOf <https://inf.ufrgs.br/projetos/OntoKG> ;
dcterms:publisher "Universidade Federal do Rio Grande do Sul (UFRGS)"@en ;
dcterms:license <https://creativecommons.org/licenses/by/4.0/> ;
dcterms:created "2026-04-08"^^xsd:date ;
dcterms:modified "2026-10-07"^^xsd:date ;
apv:GlobalMinLanguageCoverage "en pt-br" ;
apv:ClassURIFormationRule "https://www[.]inf[.]ufrgs[.]br/ontologies/copi/(COPI_[0-9]{7}|[A-Z][A-Za-z0-9]*)" ;
apv:ClassMinAnnotationCoverage "rdfs:label https://spec.industrialontologies.org/ontology/annotation/naturalLanguageDefinition" .
iof-av:naturalLanguageDefinition rdf:type owl:AnnotationProperty ;
apv:MinAnnotationLength 20 .
### Identity-giving function
:COPI_0000199 rdf:type owl:Class ; # ElectricalPowerTransformationFunction
rdfs:subClassOf iof-core:DesignedFunction ;
rdfs:subClassOf [
rdf:type owl:Restriction ;
owl:onProperty bfo:BFO_0000054 ; # realizedIn
owl:allValuesFrom :COPI_0000497 # ElectricalPowerTransformationProcess
] ;
rdfs:subClassOf [
rdf:type owl:Restriction ;
owl:onProperty bfo:BFO_0000054 ; # realizedIn
owl:someValuesFrom :COPI_0000497 # ElectricalPowerTransformationProcess
] ;
rdfs:label "electrical power transformation function"@en ;
rdfs:label "função de transformação de energia elétrica"@pt-br ;
iof-av:naturalLanguageDefinition "A DesignedFunction that is realized in an ElectricalPowerTransformationProcess and that consists in changing the voltage and current levels of electrical power through electromagnetic induction while maintaining power transfer efficiency."@en ;
skos:definition "A DesignedFunction that is realized in an ElectricalPowerTransformationProcess and that consists in changing the voltage and current levels of electrical power through electromagnetic induction while maintaining power transfer efficiency."@en .
### Process type
:COPI_0000497 rdf:type owl:Class ; # ElectricalPowerTransformationProcess
rdfs:subClassOf iof-core:PlannedProcess ;
rdfs:label "electrical power transformation process"@en ;
rdfs:label "processo de transformação de energia elétrica"@pt-br ;
iof-av:naturalLanguageDefinition "A PlannedProcess in which electrical power at one voltage and current level is converted to electrical power at a different voltage and current level through electromagnetic induction in a transformer winding system."@en ;
skos:definition "A PlannedProcess in which electrical power at one voltage and current level is converted to electrical power at a different voltage and current level through electromagnetic induction in a transformer winding system."@en .
### Equipment universal: PowerTransformerPrimaryWinding
:COPI_0000332 rdf:type owl:Class ; # PowerTransformerPrimaryWinding
rdfs:subClassOf iof-core:MaterialArtifact ;
rdfs:subClassOf [
rdf:type owl:Restriction ;
owl:onProperty iof-core:hasFunction ; # Object branch (MaterialArtifact/Assembly/Object/FiatObjectPart)
owl:someValuesFrom :COPI_0000199 # ElectricalPowerTransformationFunction
] ;
rdfs:label "power transformer primary winding"@en ;
rdfs:label "enrolamento de transformador"@pt-br ;
iof-av:naturalLanguageDefinition "A TransformerWinding that is part of a power transformer and that serves as the primary winding receiving input electrical power for electromagnetic transformation."@en ;
skos:definition "A TransformerWinding that is part of a power transformer and that serves as the primary winding receiving input electrical power for electromagnetic transformation."@en ;
iof-av:naturalLanguageDefinition "Um enrolamento de transformador que é parte de um transformador de potência e que serve como enrolamento primário recebendo energia elétrica de entrada para transformação eletromagnética."@pt-br ;
iof-av:isPrimitive "true"^^xsd:boolean ;
iof-av:primitiveRationale "Constructive type based on structural position within power transformer. Under OWA, sufficient conditions for primary winding configuration would risk false positives for specialized or hybrid transformer components that contain primary-like windings but should not be classified as standard power transformer primary windings."@en ;
rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty bfo:BFO_0000196 ; owl:someValuesFrom :COPI_0000058 ] ;
skos:definition "[ISO 15926-4] A <POWER TRANSFORMER PRIMARY WINDING> is a <TRANSFORMER PRIMARY WINDING> intended to be the winding of a power transformer"@en .
Axiomatization Decision Log
1
Identity-Giving Function
Function class
ElectricalPowerTransformationFunction
⊑ DesignedFunction
Realized in
ElectricalPowerTransformationProcess
⊑ PlannedProcess
Reusing ElectricalPowerTransformationFunction from the already-enriched power transformer class, as the primary winding participates in the same fundamental function as the transformer assembly - it is a structural component that enables power transformation through electromagnetic induction.
2
Genus Determination
MaterialArtifact
bfo:Object (BFO_0000030)
Monolithic causally unified material artefact.
MaterialArtifact ≡ Object ⊓ ∃bearerOf.DesignedFunction.
The most specific appropriate genus is TransformerWinding, which is a fiat object part of a transformer assembly. Since the parent hierarchy shows TRANSFORMER PRIMARY WINDING as the immediate parent, this represents a structural component demarcated within the larger transformer object rather than an independent assembly.
3
Necessary Parts
No necessary parts recorded (concept may be primitive at this level).
No component terms are available in the source standards for this equipment type. The definition focuses on the winding as a structural component rather than detailing its internal parts.
4
Process Participation Signature ⟨I, O, T⟩
Inputs (I)
—
Outputs (O)
—
Transformation (T)
electrical power received at primary voltage/current levels and electromagnetically transferred to secondary winding through mutual induction
The primary winding receives electrical power at one voltage/current level and through electromagnetic induction enables power transfer to the secondary winding at different voltage/current levels. This grounds the electrical_power_conversion transformation kind.
5
Axiom Mode Decision
Necessary conditions only
— modelled as a primitive universal
(⊑, SubClassOf). Identity is grounded in designed
function and cannot be reduced to a property checklist.
Constructive type based on structural position within power transformer. Under OWA, sufficient conditions for primary winding configuration would risk false positives for specialized or hybrid transformer components that contain primary-like windings but should not be classified as standard power transformer primary windings.
Cross-Standard Observations
Only one source definition available, limiting cross-standard analysis. The definition is structurally focused, identifying the component by its role within the power transformer hierarchy.
