Cockcroft–Walton Generator

Cockcroft–Walton Generator

The Cockcroft–Walton (CW) generator, or multiplier, is an electric circuit which generates a high DC voltage from a low voltage AC or pulsing DC input. It was named after the British and Irish physicists John Douglas Cockcroft and Ernest Thomas Sinton Walton, who in 1932 used this circuit design to power their particle accelerator, performing the first artificial nuclear disintegration in history. They used this voltage multiplier cascade for most of their research, which in 1951 won them the Nobel Prize in Physics for "Transmutation of atomic nuclei by artificially accelerated atomic particles". Less well known is the fact that the circuit was discovered much earlier, in 1919, by Heinrich Greinacher, a Swiss physicist. For this reason, this doubler cascade is sometimes also referred to as the Greinacher multiplier. Today Cockcroft-Walton circuits are still used in particle accelerators, but also in many everyday electronic devices that require high voltages, such as x-ray machines, television sets, and photocopiers.

Read more about Cockcroft–Walton Generator:  Design, Operational Characteristics

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Cockcroft–Walton Generator - Operational Characteristics
... CW multipliers are typically used to develop higher voltages for relatively low current applications such as bias voltages ranging from tens or hundreds of volts to millions of volts for high-energy physics experiments or lightning safety testing ... CW multipliers are also found, with a higher number of stages, in laser systems, high-voltage power supplies, X-ray systems, LCD backlighting, traveling wave tube amplifiers, ion pumps, electrostatic systems, air ionisers, particle accelerators, copy machines, scientific instrumentation, oscilloscopes, TV sets and CRTs, bug zappers and many other applications that use high-voltage DC ...

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