alternating current power system
E91299
The alternating current power system is an electrical generation, transmission, and distribution framework that uses alternating current to efficiently deliver electricity over long distances and underpins modern power grids worldwide.
All labels observed (1)
| Label | Occurrences |
|---|---|
| alternating current power system canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T769155 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: alternating current power system Context triple: [Nikola Tesla, notableWork, alternating current power system]
-
A.
Theory and Calculation of Alternating Current Phenomena
Theory and Calculation of Alternating Current Phenomena is a foundational electrical engineering text that systematically develops the mathematical analysis and practical design principles of alternating current (AC) circuits and machinery.
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B.
IEEE Industrial and Commercial Power Systems Conference
The IEEE Industrial and Commercial Power Systems Conference is a technical conference focused on the design, analysis, and application of electrical power systems in industrial and commercial facilities.
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C.
Steinmetz equivalent circuit
The Steinmetz equivalent circuit is a simplified electrical model used to represent and analyze the behavior of alternating current (AC) machines, particularly induction motors and transformers, in terms of their key electrical parameters.
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D.
IEEE Transactions on Power Systems
IEEE Transactions on Power Systems is a leading peer-reviewed journal that publishes advanced research on the analysis, operation, planning, and economics of electric power systems and related technologies.
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E.
Alexanderson alternator
The Alexanderson alternator is an early high-frequency radio transmitter that generated continuous-wave signals using a rotating machine, playing a key role in long-distance wireless communication before vacuum-tube oscillators.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: alternating current power system Target entity description: The alternating current power system is an electrical generation, transmission, and distribution framework that uses alternating current to efficiently deliver electricity over long distances and underpins modern power grids worldwide.
-
A.
Theory and Calculation of Alternating Current Phenomena
Theory and Calculation of Alternating Current Phenomena is a foundational electrical engineering text that systematically develops the mathematical analysis and practical design principles of alternating current (AC) circuits and machinery.
-
B.
IEEE Industrial and Commercial Power Systems Conference
The IEEE Industrial and Commercial Power Systems Conference is a technical conference focused on the design, analysis, and application of electrical power systems in industrial and commercial facilities.
-
C.
Steinmetz equivalent circuit
The Steinmetz equivalent circuit is a simplified electrical model used to represent and analyze the behavior of alternating current (AC) machines, particularly induction motors and transformers, in terms of their key electrical parameters.
-
D.
IEEE Transactions on Power Systems
IEEE Transactions on Power Systems is a leading peer-reviewed journal that publishes advanced research on the analysis, operation, planning, and economics of electric power systems and related technologies.
-
E.
Alexanderson alternator
The Alexanderson alternator is an early high-frequency radio transmitter that generated continuous-wave signals using a rotating machine, playing a key role in long-distance wireless communication before vacuum-tube oscillators.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
electrical power system
ⓘ
power grid architecture ⓘ |
| advantage |
compatibility with rotating machinery
ⓘ
ease of stepping voltage up and down ⓘ efficient voltage transformation ⓘ reduced transmission losses at high voltage ⓘ |
| basedOn | electromagnetic induction ⓘ |
| component |
distribution subsystem
ⓘ
generation subsystem ⓘ transmission subsystem ⓘ |
| contrastedWith | direct current power system ⓘ |
| enables | long-distance power transmission ⓘ |
| goal |
economic operation
ⓘ
power quality maintenance ⓘ reliable electricity supply ⓘ |
| includes |
low-voltage distribution network
ⓘ
medium-voltage distribution network ⓘ sub-transmission network ⓘ transmission-level high-voltage network ⓘ |
| integrates |
conventional power plants
ⓘ
renewable energy sources ⓘ |
| monitoredBy |
control centers
ⓘ
system operators ⓘ |
| oftenConfiguredAs | three-phase system ⓘ |
| requires |
frequency control
ⓘ
load balancing ⓘ reactive power management ⓘ system protection schemes ⓘ voltage regulation ⓘ |
| stabilizedBy |
FACTS devices
ⓘ
automatic generation control ⓘ synchronous condensers ⓘ voltage control equipment ⓘ |
| supports | electric power distribution ⓘ |
| typicalFrequency |
50 Hz
ⓘ
60 Hz ⓘ |
| underpins | modern power grids ⓘ |
| usedIn |
industrial power networks
ⓘ
national power grids ⓘ regional power grids ⓘ residential power networks ⓘ |
| uses |
alternating current
ⓘ
circuit breakers ⓘ distribution lines ⓘ power substations ⓘ power transformers ⓘ protective relays ⓘ switchgear ⓘ synchronous generators ⓘ transmission lines ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: alternating current power system Description of subject: The alternating current power system is an electrical generation, transmission, and distribution framework that uses alternating current to efficiently deliver electricity over long distances and underpins modern power grids worldwide.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Nikola Tesla