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Title:
HARMONIC CALCULATION PARAMETER ANALYSIS APPARATUS FOR POWER SYSTEM AND HARMONIC CALCULATION PARAMETER ESTIMATION METHOD
Document Type and Number:
Japanese Patent JP2012108085
Kind Code:
A
Abstract:

To provide a harmonic calculation parameter analysis apparatus which accurately estimates a harmonic calculation parameter and is so accurate as to estimate a worst value of the harmonic calculation parameter, and a harmonic calculation parameter estimation method.

A harmonic calculation parameter analysis apparatus includes an analysis file 22 which has circuit connection information using an equivalent circuit 41 of an actual power system considering a transmission side and a load side. The apparatus further includes a comparator 6 which uses a harmonic calculation parameter of the equivalent circuit 41 and a harmonic calculation parameter file 23 which stores a value of the harmonic calculation parameter to perform circuit analysis in an analyzer 4, compares a value of a load-side harmonic voltage/current estimation calculation result to be solved in the harmonic calculation parameters with a value of an actual measurement result, and extracts from a database 5 analysis result data 25 having such a value that the value of the actual measurement result and the value of the load-side harmonic voltage/current estimation calculation result in the analysis result data satisfy a predetermined relationship.


Inventors:
TADA YASUYUKI
Application Number:
JP2011028686A
Publication Date:
June 07, 2012
Filing Date:
February 14, 2011
Export Citation:
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Assignee:
TOKYO ELECTRIC POWER CO
International Classes:
G01R23/20; G01R25/00; H02J3/00
Domestic Patent References:
JPH1114677A1999-01-22
JP2010048707A2010-03-04
JP2010233433A2010-10-14
JP2003069037A2003-03-07
JPH1114677A1999-01-22
JP2010048707A2010-03-04
JP2010233433A2010-10-14
JP2003069037A2003-03-07
Attorney, Agent or Firm:
Akira Koike
Seiji Iga
Toshiya Fujii
Nobuhiro Noguchi
Yusei Atsuya