KR20070045558A - 부분방전 원인 자동 추론용 신경망 회로의 입력벡터생성방법 - Google Patents
부분방전 원인 자동 추론용 신경망 회로의 입력벡터생성방법 Download PDFInfo
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- KR20070045558A KR20070045558A KR1020050101969A KR20050101969A KR20070045558A KR 20070045558 A KR20070045558 A KR 20070045558A KR 1020050101969 A KR1020050101969 A KR 1020050101969A KR 20050101969 A KR20050101969 A KR 20050101969A KR 20070045558 A KR20070045558 A KR 20070045558A
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- 238000007794 visualization technique Methods 0.000 description 11
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- 230000010354 integration Effects 0.000 description 6
- 230000002159 abnormal effect Effects 0.000 description 2
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- 239000002243 precursor Substances 0.000 description 2
- 210000000225 synapse Anatomy 0.000 description 2
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06N—COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
- G06N3/00—Computing arrangements based on biological models
- G06N3/02—Neural networks
- G06N3/06—Physical realisation, i.e. hardware implementation of neural networks, neurons or parts of neurons
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- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
- G01R31/1254—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of gas-insulated power appliances or vacuum gaps
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/14—Circuits therefor, e.g. for generating test voltages, sensing circuits
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06N—COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
- G06N3/00—Computing arrangements based on biological models
- G06N3/02—Neural networks
- G06N3/06—Physical realisation, i.e. hardware implementation of neural networks, neurons or parts of neurons
- G06N3/063—Physical realisation, i.e. hardware implementation of neural networks, neurons or parts of neurons using electronic means
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Abstract
Description
Claims (5)
- GIS, 변압기, 전력용 케이블, 회전기기 등 고전압 전력기기에서 발생하는 부분방전신호의 원인을 자동으로 추론해 주는 다층 퍼셉트론(perceptron) 구조나 셀프 오거나이제이션 맵(self organization map) 등 다양한 종류의 신경망회로에 사용되는 입력벡터에 있어서,부분방전 측정장치로부터 측정된 방전신호를 이용해 Φn : Φn-1 : N 그래프를 생성하는 단계;상기한 Φn : Φn-1 : N 그래프의 우하면을 좌상면의 위로 이동을 시킴으로써 Φn : Φn-1 : N 그래프로 변환하는 단계;신경망 회로의 입력벡터로 사용할 위상상관합을 추출하는 단계;신경망 회로의 입력벡터로 사용할 위상무관합을 추출하는 단계; 및상기한 위상무관합을 상기한 신경망 회로의 입력벡터로서 입력시키는 단계를 포함하여 이루어지는 것을 특징으로 하는 부분방전 원인 자동 추론용 신경망 회로의 입력벡터 생성방법.
- 제 1항에 있어서,상기한 위상상관합과 위상무관합을 신경망 회로의 입력벡터로서 입력시키는 단계를 포함하여 이루어지는 것을 특징으로 하는 부분방전 원인 자동 추론용 신경망 회로의 입력벡터 생성방법.
- 제 1항 또는 제 2항에 있어서,방전신호로부터 구한 위상상관합 및 이를 각각 120도, 240도씩 위상을 이동시킨 위상상관합을 참조(reference) 위상무관합의 모양과 비교하여 방전신호가 발생한 곳에 인가된 전원의 상을 알아내는 더 단계를 포함하여 이루어지는 것을 특징으로 하는 부분방전 원인 자동 추론용 신경망 회로의 입력벡터 생성방법.
- 제 1항 또는 제 2항에 있어서,방전신호로부터 구한 위상상관합 및 이를 각각 120도, 240도씩 위상을 이동시킨 위상상관합을 참조(reference) 위상무관합과의 곱을 적분한 면적이 가장 큰 위상상관합을 참조 위상무관합과 가장 유사한 위상무관합으로 선별하는 단계를 더 포함하여 이루어지는 것을 특징으로 하는 부분방전 원인 자동 추론용 신경망 회로의 입력벡터 생성방법.
- 제 1항 또는 제 2항에 있어서,방전신호로부터 구한 위상상관합 및 이를 각각 120도, 240도씩 위상을 이동시킨 위상상관합을 참조(reference) 위상무관합과의 상호상관(cross correlation)을 구하여 방전신호가 발생한 곳에 인가된 전원의 상을 알아내는 단계를 더 포함하여 이루어지는 것을 특징으로 하는 부분방전 원인 자동 추론용 신경망 회로의 입력벡터 생성방법.
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KR1020050101969A KR100729107B1 (ko) | 2005-10-27 | 2005-10-27 | 부분방전 원인 자동 추론용 신경망 회로의 입력벡터생성방법 |
GB0600677A GB2431726B (en) | 2005-10-27 | 2006-01-13 | Input vector formation method of neural networks for auto-identification of partial discharge source |
JP2006027771A JP4244353B2 (ja) | 2005-10-27 | 2006-02-03 | 部分放電原因自動推論用の神経網エンジンの入力ベクトル生成方法 |
DE102006008482A DE102006008482B4 (de) | 2005-10-27 | 2006-02-23 | Eingangsvektorbildungsverfahren bei neuronalen Netzwerken zur Auto-Identifikation einer partiellen Entladungsquelle |
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KR1020050101969A KR100729107B1 (ko) | 2005-10-27 | 2005-10-27 | 부분방전 원인 자동 추론용 신경망 회로의 입력벡터생성방법 |
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KR100919293B1 (ko) * | 2008-09-24 | 2009-10-01 | 주식회사 케이디파워 | 전기 시스템의 직렬아크 검출장치 및 방법 |
KR20190073780A (ko) | 2017-12-19 | 2019-06-27 | 한국전력공사 | 전력설비 기자재 불량 검출 장치, 시스템 및 방법이 기록된 컴퓨터 판독가능 기록 매체 |
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2005
- 2005-10-27 KR KR1020050101969A patent/KR100729107B1/ko active IP Right Grant
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- 2006-01-13 GB GB0600677A patent/GB2431726B/en not_active Expired - Fee Related
- 2006-02-03 JP JP2006027771A patent/JP4244353B2/ja not_active Expired - Fee Related
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Cited By (5)
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KR100853725B1 (ko) * | 2007-06-20 | 2008-08-22 | (주) 피에스디테크 | Prps 알고리즘을 이용한 가스절연부하개폐장치의부분방전 원인분석 방법 및 그 장치 |
KR100919293B1 (ko) * | 2008-09-24 | 2009-10-01 | 주식회사 케이디파워 | 전기 시스템의 직렬아크 검출장치 및 방법 |
KR20190073780A (ko) | 2017-12-19 | 2019-06-27 | 한국전력공사 | 전력설비 기자재 불량 검출 장치, 시스템 및 방법이 기록된 컴퓨터 판독가능 기록 매체 |
KR102089187B1 (ko) * | 2018-12-11 | 2020-03-13 | 한국전력공사 | 전력케이블 접속함 진단 시스템 및 방법 |
KR20220036126A (ko) * | 2020-09-15 | 2022-03-22 | 한국전력공사 | 센서 데이터 활용 부분 방전 감지 시스템 및 방법 |
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JP4244353B2 (ja) | 2009-03-25 |
GB0600677D0 (en) | 2006-02-22 |
GB2431726A (en) | 2007-05-02 |
JP2007124880A (ja) | 2007-05-17 |
DE102006008482A1 (de) | 2007-05-03 |
DE102006008482B4 (de) | 2010-10-07 |
KR100729107B1 (ko) | 2007-06-14 |
GB2431726B (en) | 2010-04-21 |
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