KR101093770B1 - 전차선로의 선로정수 측정 방법 - Google Patents
전차선로의 선로정수 측정 방법 Download PDFInfo
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- KR101093770B1 KR101093770B1 KR1020090092873A KR20090092873A KR101093770B1 KR 101093770 B1 KR101093770 B1 KR 101093770B1 KR 1020090092873 A KR1020090092873 A KR 1020090092873A KR 20090092873 A KR20090092873 A KR 20090092873A KR 101093770 B1 KR101093770 B1 KR 101093770B1
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- 239000004020 conductor Substances 0.000 claims abstract description 96
- 238000000034 method Methods 0.000 claims abstract description 25
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- 230000001681 protective effect Effects 0.000 claims description 3
- 238000000691 measurement method Methods 0.000 claims description 2
- 238000004146 energy storage Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 6
- 239000011159 matrix material Substances 0.000 description 6
- 238000004364 calculation method Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 2
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- 229930091051 Arenine Natural products 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/08—Measuring resistance by measuring both voltage and current
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/02—Measuring effective values, i.e. root-mean-square values
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
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- General Physics & Mathematics (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Abstract
Description
Claims (5)
- 다수 개의 도체로 구성된 전차선로의 선로정수 측정 방법에 있어서,서로 연결된 도체들을 등전위 도체로 분류한 후 소정의 도체군으로 구분하는 단계와;상기 단계에서 구분된 도체군을 등가 모델링 방식에 의해 등가화한 후 선로정수를 측정하는 단계로 이루어지되,상기 선로정수를 측정하는 단계에서는, 전차선로 도체들간에 전압, 전류를 인가하여 전압 및 전류를 측정하고, 각 측정한 전압-전류 관계에 의해 임피던스와 선간 어드미턴스를 도출하여 실제 계통 구간을 대상으로 각 도체군의 선로정수를 측정하며,상기 임피던스를 도출하기 위해서는 전철변전소와 급전구분소 구간의 전차선로 회로에 대해 급전 구분소에서 모든 도체군을 단락시켜 폐회로를 구성하고, 전철변전소 단에서 도체 단자들의 서로 다른 조합에 대해 전압-전류를 측정하는 것을 특징으로 하는 전차선로의 선로정수 측정 방법.
- 제1항에 있어서,상기 등전위 도체로 분류한 후 소정의 도체군으로 구분하는 단계는, 상행 급전선을 제1 도체군, 하행 급전선을 제2 도체군, 상행 전차선과 상행 조가선을 제3 도체군, 하행 전차선과 하행 조가선을 제4 도체군, 레일, 가공 보호선, 및 접지선을 제5 도체군으로 구분하는 것을 특징으로 하는 전차선로의 선로정수 측정 방법.
- 삭제
- 삭제
- 제 1항에 있어서,상기 어드미턴스를 도출하기 위해서는 전철변전소와 급전구분소 구간의 전차선로 회로에 대해 급전구분소에서 모든 도체군을 개방시켜 개방회로를 구성하고, 전철변전소 단에서 도체 단자들의 서로 다른 조합에 대해 전압-전류를 측정하는 것을 특징으로 하는 전차선로의 선로정수 측정 방법.
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KR1020090092873A KR101093770B1 (ko) | 2009-09-30 | 2009-09-30 | 전차선로의 선로정수 측정 방법 |
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KR1020090092873A KR101093770B1 (ko) | 2009-09-30 | 2009-09-30 | 전차선로의 선로정수 측정 방법 |
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KR20110035244A KR20110035244A (ko) | 2011-04-06 |
KR101093770B1 true KR101093770B1 (ko) | 2011-12-19 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20160096364A (ko) | 2015-02-05 | 2016-08-16 | 전남대학교산학협력단 | 시각 동기화 데이터를 이용한 전력계통의 선로정수 추정방법 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103344837B (zh) * | 2013-07-11 | 2015-04-15 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | 一种同杆并架双回直流输电线路的参数测量方法 |
KR102050711B1 (ko) * | 2013-09-30 | 2019-12-03 | 한국전력공사 | 지중송전선로의 선로정수 분석장치 및 분석방법 |
CN105807140B (zh) * | 2016-02-04 | 2018-07-27 | 天津大学 | 一种超高压架空-电缆混合输电线路序参数测量方法 |
CN106443154B (zh) * | 2016-09-23 | 2020-02-28 | 国网江西省电力公司电力科学研究院 | 一种电流、电压比例变换及采样装置 |
CN109798971A (zh) * | 2018-11-06 | 2019-05-24 | 国网河南省电力公司郑州供电公司 | 一种跨高铁高压输电线路振颤轨迹测量方法 |
KR102158677B1 (ko) * | 2019-05-29 | 2020-09-22 | 한국철도기술연구원 | 실시간 전차선로 임피던스 측정 시스템 및 그 방법 |
KR102237644B1 (ko) * | 2019-11-20 | 2021-04-08 | 조선대학교산학협력단 | 전기철도 급전시스템 해석 장치 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2003270285A (ja) | 2002-03-15 | 2003-09-25 | Fuji Electric Co Ltd | 故障点標定方法 |
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JP2003270285A (ja) | 2002-03-15 | 2003-09-25 | Fuji Electric Co Ltd | 故障点標定方法 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20160096364A (ko) | 2015-02-05 | 2016-08-16 | 전남대학교산학협력단 | 시각 동기화 데이터를 이용한 전력계통의 선로정수 추정방법 |
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