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1. (WO2018102518) BI-DIRECTIONAL, TRANSFORMERLESS VOLTAGE SYSTEM

Pub. No.:    WO/2018/102518    International Application No.:    PCT/US2017/063890
Publication Date: Fri Jun 08 01:59:59 CEST 2018 International Filing Date: Fri Dec 01 00:59:59 CET 2017
IPC: H02M 3/07
Applicants: LAWRENCE LIVERMORE NATIONAL SECURITY, LLC
Inventors: SAMPAYAN, Stephen, E.
Title: BI-DIRECTIONAL, TRANSFORMERLESS VOLTAGE SYSTEM
Abstract:
A multi-stage electric voltage converter is disclosed. The converter comprises a voltage source and multiple stages. Each stage of the multiple stages comprises a first and a second and a third switch, and a capacitor, wherein the capacitor is coupled to the voltage source by the first and the second switches and each stage is coupled to a different stage or to an output of the multi-stage electric voltage converter by the third switch so as to allow the capacitor to be charged by the voltage source when the first and the second switches are closed and the third switch is open, and to allow the capacitor to be connected to the output of the multi-stage electric voltage converter when the first and the second switches are open and the third switch is closed.