Cockcroft–Walton generator
E139401
The Cockcroft–Walton generator is a high-voltage power supply circuit that uses a cascade of capacitors and diodes to multiply an input AC voltage, historically important for early particle acceleration experiments.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Cockcroft–Walton generator canonical | 5 |
| Cockcroft–Walton accelerator | 1 |
| Cockcroft–Walton multiplier | 1 |
| Cockcroft–Walton voltage multiplier | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1224905 — 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.
Target entity: Cockcroft–Walton generator Context triple: [John Cockcroft, knownFor, Cockcroft–Walton generator]
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A.
Brookhaven Linac Isotope Producer
The Brookhaven Linac Isotope Producer is a particle-accelerator-based facility at Brookhaven National Laboratory that generates medical and research isotopes for nuclear medicine and scientific applications.
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B.
X-10 graphite reactor
The X-10 graphite reactor was an early nuclear reactor at Oak Ridge, Tennessee, built during the Manhattan Project as a pilot plant for plutonium production and a key step toward the development of nuclear weapons and nuclear energy.
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C.
Proton Synchrotron Booster
The Proton Synchrotron Booster is a circular particle accelerator at CERN that increases the energy of protons from the linear accelerator before injecting them into larger synchrotrons in the accelerator complex.
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D.
Proton Synchrotron
The Proton Synchrotron is a historic circular particle accelerator at CERN that has played a key role in high-energy physics research and in feeding beams to larger colliders.
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E.
Oppenheimer–Phillips process
The Oppenheimer–Phillips process is a nuclear reaction mechanism in which a deuteron interacting with a target nucleus effectively transfers its neutron while the proton is repelled, enabling certain reactions to occur at lower energies than would otherwise be required.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Target entity: Cockcroft–Walton generator Target entity description: The Cockcroft–Walton generator is a high-voltage power supply circuit that uses a cascade of capacitors and diodes to multiply an input AC voltage, historically important for early particle acceleration experiments.
-
A.
Brookhaven Linac Isotope Producer
The Brookhaven Linac Isotope Producer is a particle-accelerator-based facility at Brookhaven National Laboratory that generates medical and research isotopes for nuclear medicine and scientific applications.
-
B.
X-10 graphite reactor
The X-10 graphite reactor was an early nuclear reactor at Oak Ridge, Tennessee, built during the Manhattan Project as a pilot plant for plutonium production and a key step toward the development of nuclear weapons and nuclear energy.
-
C.
Proton Synchrotron Booster
The Proton Synchrotron Booster is a circular particle accelerator at CERN that increases the energy of protons from the linear accelerator before injecting them into larger synchrotrons in the accelerator complex.
-
D.
Proton Synchrotron
The Proton Synchrotron is a historic circular particle accelerator at CERN that has played a key role in high-energy physics research and in feeding beams to larger colliders.
-
E.
Oppenheimer–Phillips process
The Oppenheimer–Phillips process is a nuclear reaction mechanism in which a deuteron interacting with a target nucleus effectively transfers its neutron while the proton is repelled, enabling certain reactions to occur at lower energies than would otherwise be required.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
electrical circuit
ⓘ
high-voltage power supply ⓘ voltage multiplier circuit ⓘ |
| associatedWith |
early high-energy physics
ⓘ
splitting of the atomic nucleus ⓘ |
| canBeConfiguredAs | full-wave voltage multiplier ⓘ |
| developedBy |
Ernest Walton
ⓘ
surface form:
Ernest Thomas Sinton Walton
John Cockcroft ⓘ
surface form:
John Douglas Cockcroft
|
| developmentPeriod | early 1930s ⓘ |
| hasAdvantage |
ability to reach very high voltages
ⓘ
low cost ⓘ simple construction ⓘ |
| hasAlternativeName |
Cockcroft–Walton generator
ⓘ
surface form:
Cockcroft–Walton multiplier
Greinacher circuit ⓘ cascade generator ⓘ |
| hasDisadvantage |
high ripple at high load currents
ⓘ
poor voltage regulation under load ⓘ sensitivity to stray capacitances ⓘ |
| hasFunction |
generation of high DC voltage
ⓘ
voltage multiplication ⓘ |
| hasInput | AC voltage ⓘ |
| hasPart |
multiple capacitor stages
ⓘ
multiple diode stages ⓘ |
| hasTopology | cascaded diode-capacitor ladder ⓘ |
| historicallyUsedIn | first artificial nuclear disintegration experiments ⓘ |
| namedAfter |
Ernest Walton
ⓘ
surface form:
Ernest Thomas Sinton Walton
John Cockcroft ⓘ
surface form:
John Douglas Cockcroft
|
| operatesOnPrinciple |
capacitor charging in series
ⓘ
capacitor discharging in parallel ⓘ |
| performanceDependsOn |
input frequency
ⓘ
load current ⓘ number of stages ⓘ |
| produces | rectified high DC voltage ⓘ |
| relatedTo |
Marx generator
ⓘ
Van de Graaff generators ⓘ
surface form:
Van de Graaff generator
|
| requires | AC input frequency ⓘ |
| typicalConfiguration | half-wave voltage multiplier ⓘ |
| usedFor |
demonstration of nuclear reactions
ⓘ
laboratory high-voltage experiments ⓘ |
| usedIn |
HV test equipment
ⓘ
X-ray generators ⓘ cathode-ray tube power supplies ⓘ electrostatic accelerators ⓘ neon sign power supplies ⓘ nuclear physics experiments ⓘ particle accelerators ⓘ photomultiplier tube power supplies ⓘ |
| usesComponent |
capacitor
ⓘ
diode ⓘ |
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.
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.
Subject: Cockcroft–Walton generator Description of subject: The Cockcroft–Walton generator is a high-voltage power supply circuit that uses a cascade of capacitors and diodes to multiply an input AC voltage, historically important for early particle acceleration experiments.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.