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Five-Stage CW Generator.
~240VAC →>2kVDC.
According to Wikipedia:
Cockcroft-Walton voltage multiplier circuit, also called the Greinacher multiplier. When an alternating voltage is applied, it produces a DC output voltage equal to Vo = 2NVp = NVpp where Vpp is the peak-to-peak input voltage and N is the number of stages. This diagram shows a 2 stage circuit, with output Vo = 4Vip It was invented in 1932 by physicists John Douglas Cockcroft and Ernest Thomas Sinton Walton. The Cockcroft-Walton circuit is widely used to produce high voltages in CRT television set anode supplies, photomultiplier tube power supplies, copiers, laser printers, electrostatic precipitators, and Cockcroft-Walton particle accelerators.
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