High frequency isolation in standby power supplies which compensate load harmonic currents

Author

John, Vinod ; Mohan, Ned ; Persson, Eric ; Nilssen, Robert

Author_Institution

Dept. of Electr. Eng., Minnesota Univ., Minneapolis, MN, USA

fYear

1993

fDate

15-19 Nov 1993

Firstpage

1264

Abstract

High frequency isolation in standby power supplies helps to achieve a high power density. A system using a high frequency AC link, utilizing a cycloconverter, with bilateral power flow is studied. The effect of using a high frequency transformer is evaluated and considerations are discussed for implementing such a system. This standby power supply compensates for load harmonic currents under normal circumstances when the utility is within a nominal voltage range

Keywords

compensation; cycloconvertors; emergency power supply; high-frequency transformers; load flow; power convertors; power supplies to apparatus; power system harmonics; power transformers; pulse width modulation; switching circuits; HF isolation; PWM; bilateral power flow; compensation; cycloconverter; high frequency AC link; high frequency transformer; load harmonic currents; nominal voltage range; power density; standby power supplies; Active filters; Emergency power supplies; Frequency conversion; Frequency synthesizers; Load flow; Power harmonic filters; Power system harmonics; Pulse width modulation inverters; Switches; Voltage;

fLanguage

English

Publisher

ieee

Conference_Titel

Industrial Electronics, Control, and Instrumentation, 1993. Proceedings of the IECON '93., International Conference on

Conference_Location

Maui, HI

Print_ISBN

0-7803-0891-3

Type

conf

DOI

10.1109/IECON.1993.339248

Filename

339248