100 kV high frequency transformer/rectifier package with bipolar voltage output

Michael G. Giesselmann, Travis T. Vollmer, William Carey

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

A 100kV high frequency transformer/rectifier package was designed and tested which is capable of dual polarity operation. The primary of the transformer is driven by an H-Bridge at a frequency of 20 kHz. The transformer has two HV-coax output cables with a grounded shield on each cable. One of the HV output cables is designated as the positive output terminal whereas the other output cable is designated as the negative output terminal. The shields of both output cables are always grounded. In addition, the core of the transformer is grounded. To obtain either positive or negative output voltage, either of the HV center conductors of the output coax cables is grounded. If the center conductor of the coax cable designated as negative output is grounded, positive voltage is obtained from the coax cable designated as positive output and vice versa. Two compensated resistive/capacitive voltage dividers are integrated into the oil-filled HV package with one measuring the voltage of each secondary terminal with respect to ground. The voltage reading corresponding to the grounded terminal is clearly always zero, but the one of the voltage dividers is always active to provide feedback for the control system. This paper provides design details and experimental results from tests of the entire system.

Original languageEnglish
Title of host publication2013 19th IEEE Pulsed Power Conference, PPC 2013
DOIs
StatePublished - 2013
Event2013 19th IEEE Pulsed Power Conference, PPC 2013 - San Francisco, CA, United States
Duration: Jun 16 2013Jun 21 2013

Publication series

NameDigest of Technical Papers-IEEE International Pulsed Power Conference

Conference

Conference2013 19th IEEE Pulsed Power Conference, PPC 2013
CountryUnited States
CitySan Francisco, CA
Period06/16/1306/21/13

Keywords

  • H-Bridge inverter
  • High Voltage power supply
  • digital current mode control
  • dual polarity
  • high frequency transformer

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