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Title: Switching power supply

Abstract

The invention is a repratable capacitor charging, switching power supply. A ferrite transformer steps up a dc input. The transformer primary is in a full bridge configuration utilizing power MOSFETs as the bridge switches. The transformer secondary is fed into a high voltage, full wave rectifier whose output is connected directly to the energy storage capacitor. The transformer is designed to provide adequate leakage inductance to limit capacitor current. The MOSFETs are switched to the variable frequency from 20 to 50 kHz to charge a capacitor from 0.6 kV. The peak current in a transformer primary and secondary is controlled by increasing the pulse width as the capacitor charges. A digital ripple counter counts pulses and after a preselected desired number is reached an up-counter is clocked.

Inventors:
Publication Date:
OSTI Identifier:
5959200
Application Number:
ON: TI85005993
Assignee:
Dept. of Energy
DOE Contract Number:  
W-7405-ENG-48
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY; FLASH TUBES; POWER SUPPLIES; CAPACITORS; NEODYMIUM LASERS; SWITCHING CIRCUITS; TRANSFORMERS; ELECTRICAL EQUIPMENT; ELECTRON TUBES; ELECTRONIC CIRCUITS; ELECTRONIC EQUIPMENT; EQUIPMENT; GAS DISCHARGE TUBES; LASERS; SOLID STATE LASERS; 700203* - Fusion Power Plant Technology- Power Supplies, Energy Storage; 700208 - Fusion Power Plant Technology- Inertial Confinement Technology

Citation Formats

Mihalka, A M. Switching power supply. United States: N. p., 1984. Web.
Mihalka, A M. Switching power supply. United States.
Mihalka, A M. Tue . "Switching power supply". United States.
@article{osti_5959200,
title = {Switching power supply},
author = {Mihalka, A M},
abstractNote = {The invention is a repratable capacitor charging, switching power supply. A ferrite transformer steps up a dc input. The transformer primary is in a full bridge configuration utilizing power MOSFETs as the bridge switches. The transformer secondary is fed into a high voltage, full wave rectifier whose output is connected directly to the energy storage capacitor. The transformer is designed to provide adequate leakage inductance to limit capacitor current. The MOSFETs are switched to the variable frequency from 20 to 50 kHz to charge a capacitor from 0.6 kV. The peak current in a transformer primary and secondary is controlled by increasing the pulse width as the capacitor charges. A digital ripple counter counts pulses and after a preselected desired number is reached an up-counter is clocked.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1984},
month = {6}
}