250 kV 6 mA compact Cockcroft-Walton high-voltage power supply

A compact power supply system for a compact neutron generator has been developed. A 4-stage symmetrical Cockcroft-Walton circuit is adopted to produce 250 kV direct current high-voltage. A 2-stage 280 kV isolation transformer system is used to drive the ion source power supply. For a compact structu...

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Bibliographic Details
Published in:Review of scientific instruments 2016-08, Vol.87 (8), p.085117-085117
Main Authors: Ma, Zhan-Wen, Su, Xiao-Dong, Lu, Xiao-Long, Wei, Zhen, Wang, Jun-Run, Huang, Zhi-Wu, Miao, Tian-You, Su, Tong-Ling, Yao, Ze-En
Format: Article
Language:English
Subjects:
AVAILABILITY
Circuit reliability
Circuits
COMPACTS
CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
DIRECT CURRENT
ELECTRIC POTENTIAL
Electric power supplies
EPOXIDES
High voltages
INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
INSULATING OILS
ION SOURCES
NEUTRON GENERATORS
NEUTRONS
Power supply
RELIABILITY
Reliability engineering
SAFETY
Scientific apparatus & instruments
STABILITY
Structural reliability
TRANSFORMERS
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Description
Summary:A compact power supply system for a compact neutron generator has been developed. A 4-stage symmetrical Cockcroft-Walton circuit is adopted to produce 250 kV direct current high-voltage. A 2-stage 280 kV isolation transformer system is used to drive the ion source power supply. For a compact structure, safety, and reliability during the operation, the Cockcroft-Walton circuit and the isolation transformer system are enclosed in an epoxy vessel containing the transformer oil whose size is about ∅350 mm × 766 mm. Test results indicate that the maximum output voltage of the power supply is 282 kV, and the stability of the output voltage is better than 0.63% when the high voltage power supply is operated at 250 kV, 6.9 mA with the input voltage varying ±10%.
ISSN:0034-6748
1089-7623
DOI:10.1063/1.4961475