Method and apparatus for reducing the harmonic currents in alternating-current distribution networks
Abstract
An improved apparatus and method reduce the harmonic content of AC line and neutral line currents in polyphase AC source distribution networks. The apparatus and method employ a polyphase Zig-Zag transformer connected between the AC source distribution network and a load. The apparatus and method also employs a mechanism for increasing the source neutral impedance of the AC source distribution network. This mechanism can consist of a choke installed in the neutral line between the AC source and the Zig-Zag transformer.
- Inventors:
-
- Lockport, IL
- Elburn, IL
- Naperville, IL
- Geneva, IL
- Issue Date:
- Research Org.:
- Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)
- OSTI Identifier:
- 870693
- Patent Number(s):
- 5576942
- Assignee:
- Universities Research Association, Inc. (Washington, DC)
- Patent Classifications (CPCs):
-
H - ELECTRICITY H02 - GENERATION H02J - CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER
Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02E - REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- DOE Contract Number:
- AC02-76CH03000
- Resource Type:
- Patent
- Country of Publication:
- United States
- Language:
- English
- Subject:
- method; apparatus; reducing; harmonic; currents; alternating-current; distribution; networks; improved; reduce; content; line; neutral; polyphase; source; employ; zig-zag; transformer; connected; network; load; employs; mechanism; increasing; impedance; consist; choke; installed; improved apparatus; source distribution; line current; current distribution; method employ; method reduce; distribution network; distribution networks; /363/323/
Citation Formats
Beverly, Leon H, Hance, Richard D, Kristalinski, Alexandr L, and Visser, Age T. Method and apparatus for reducing the harmonic currents in alternating-current distribution networks. United States: N. p., 1996.
Web.
Beverly, Leon H, Hance, Richard D, Kristalinski, Alexandr L, & Visser, Age T. Method and apparatus for reducing the harmonic currents in alternating-current distribution networks. United States.
Beverly, Leon H, Hance, Richard D, Kristalinski, Alexandr L, and Visser, Age T. Mon .
"Method and apparatus for reducing the harmonic currents in alternating-current distribution networks". United States. https://www.osti.gov/servlets/purl/870693.
@article{osti_870693,
title = {Method and apparatus for reducing the harmonic currents in alternating-current distribution networks},
author = {Beverly, Leon H and Hance, Richard D and Kristalinski, Alexandr L and Visser, Age T},
abstractNote = {An improved apparatus and method reduce the harmonic content of AC line and neutral line currents in polyphase AC source distribution networks. The apparatus and method employ a polyphase Zig-Zag transformer connected between the AC source distribution network and a load. The apparatus and method also employs a mechanism for increasing the source neutral impedance of the AC source distribution network. This mechanism can consist of a choke installed in the neutral line between the AC source and the Zig-Zag transformer.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Mon Jan 01 00:00:00 EST 1996},
month = {Mon Jan 01 00:00:00 EST 1996}
}
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Works referenced in this record:
Improving power factor in the presence of harmonics using low-voltage tuned filters
journal, January 1993
- Lowenstein, M. Z.
- IEEE Transactions on Industry Applications, Vol. 29, Issue 3