KR100883777B1 - 배전자동화시스템에서 단말장치의 고장표시 생성방법 - Google Patents
배전자동화시스템에서 단말장치의 고장표시 생성방법 Download PDFInfo
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- KR100883777B1 KR100883777B1 KR1020070008472A KR20070008472A KR100883777B1 KR 100883777 B1 KR100883777 B1 KR 100883777B1 KR 1020070008472 A KR1020070008472 A KR 1020070008472A KR 20070008472 A KR20070008472 A KR 20070008472A KR 100883777 B1 KR100883777 B1 KR 100883777B1
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- 238000000034 method Methods 0.000 claims abstract description 21
- 238000001514 detection method Methods 0.000 claims abstract description 14
- 238000005259 measurement Methods 0.000 claims description 11
- 238000010586 diagram Methods 0.000 description 18
- 238000009434 installation Methods 0.000 description 5
- 230000002159 abnormal effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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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
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/086—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution networks, i.e. with interconnected conductors
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/38—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to both voltage and current; responsive to phase angle between voltage and current
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
- H02H3/081—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current and depending on the direction
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/38—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to both voltage and current; responsive to phase angle between voltage and current
- H02H3/385—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to both voltage and current; responsive to phase angle between voltage and current using at least one homopolar quantity
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
Description
Claims (5)
- 삭제
- 삭제
- 선로에 각 구간에 설치되어 선로의 전압, 전류 및 위상차를 측정하는 다수의 단말장치, 선로의 고장여부를 검출하는 고장회선 검출장치, 상기 단말장치와 상기 고장회선 검출장치로부터 고장 여부를 확인하여 상기 단말장치의 동작을 제어하는 중앙제어장치 및 부하단에 전동기를 포함하는 배전시스템에서의 고장구간 검출방법에 있어서,상기 단말장치에서 정상전압의 위상과 정상전류의 위상을 측정하는 위상측정단계;상기 위상측정단계에서 측정된 상기 정상전압의 위상을 기준으로 상기 정상전류의 위상을 비교하는 위상비교단계 및상기 위상비교단계를 거친 후 고장전류의 방향을 계산하고, 상기 계산된 상기 고장전류의 방향을 통하여 고장표시 정보를 생성하는 단계를 포함하는 것을 특징으로 하는 배전자동화시스템에서 단말장치의 고장표시 생성방법.
- 제3항에 있어서,상기 위상비교단계에서 전류측정 방향을 전원단 방향에서 부하단 방향쪽으로 할 때, 상기 정상전류의 위상이 4사분면의 허수축 부근에 위치하면 고장표시 정보가 생성되는 것을 특징으로 하는 배전자동화시스템에서의 단말장치의 고장표시 생성방법.
- 제4항에 있어서,상기 단말장치에서 측정되는 전류의 방향은 정상시에 상기 단말장치에서 측정되는 정상전압을 기준으로 정상전류의 위상이 1사분면 또는 4사분면에 위치하면 전원단 방향에서 부하단 방향인 것을 특징으로 하는 배전자동화시스템에서의 단말장치의 고장표시 생성방법.
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KR1020070008472A KR100883777B1 (ko) | 2007-01-26 | 2007-01-26 | 배전자동화시스템에서 단말장치의 고장표시 생성방법 |
US12/019,762 US20080211511A1 (en) | 2007-01-26 | 2008-01-25 | Method of Generating Fault Indication in Feeder Remote Terminal Unit for Power Distribution Automation System |
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KR1020070008472A KR100883777B1 (ko) | 2007-01-26 | 2007-01-26 | 배전자동화시스템에서 단말장치의 고장표시 생성방법 |
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KR20080070397A KR20080070397A (ko) | 2008-07-30 |
KR100883777B1 true KR100883777B1 (ko) | 2009-02-18 |
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Cited By (2)
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KR101073099B1 (ko) | 2009-10-30 | 2011-10-12 | 한국전력공사 | 조류 방향 표시 장치 및 방법 |
KR20230027690A (ko) | 2021-08-19 | 2023-02-28 | 한전케이디엔주식회사 | 단말장치 외부 충격 방향 추적 장치 및 그 방법 |
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---|---|---|---|---|
US9917436B2 (en) * | 2007-10-30 | 2018-03-13 | General Electric Company | System and method for control of power distribution |
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KR102160071B1 (ko) * | 2018-03-05 | 2020-09-25 | 성균관대학교산학협력단 | 퍼지 기반 마이크로그리드 보호 방법 및 장치 |
US10823777B2 (en) | 2018-04-16 | 2020-11-03 | Schweitzer Engineering Laboratories, Inc. | Detection and location of broken conductors for transmission lines |
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US11143715B2 (en) | 2019-08-15 | 2021-10-12 | Schweitzer Engineering Laboratories, Inc. | Broken conductor detection in a multiple-phase electric power delivery system |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0870531A (ja) * | 1994-08-29 | 1996-03-12 | Nippon Kouatsu Electric Co | 高圧配電系統における地絡方向判別方法及び地絡方向判別装置 |
JPH08331752A (ja) * | 1995-06-01 | 1996-12-13 | Togami Electric Mfg Co Ltd | 地絡事故検出方法 |
KR20040014364A (ko) * | 2002-08-09 | 2004-02-14 | 가부시끼가이샤 도시바 | 지락 방향 계전 장치 |
KR20040028238A (ko) * | 2002-09-30 | 2004-04-03 | 주식회사 젤파워 | 변압기 보호용 충격 압력계전 시스템의 오동작 방지장치 |
KR20050023104A (ko) * | 2003-08-29 | 2005-03-09 | 명지대학교 | 비접지방식의 배전 계통에 대한 고장 회선 및 고장상 판별방법 |
-
2007
- 2007-01-26 KR KR1020070008472A patent/KR100883777B1/ko not_active IP Right Cessation
-
2008
- 2008-01-25 US US12/019,762 patent/US20080211511A1/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0870531A (ja) * | 1994-08-29 | 1996-03-12 | Nippon Kouatsu Electric Co | 高圧配電系統における地絡方向判別方法及び地絡方向判別装置 |
JPH08331752A (ja) * | 1995-06-01 | 1996-12-13 | Togami Electric Mfg Co Ltd | 地絡事故検出方法 |
KR20040014364A (ko) * | 2002-08-09 | 2004-02-14 | 가부시끼가이샤 도시바 | 지락 방향 계전 장치 |
KR20040028238A (ko) * | 2002-09-30 | 2004-04-03 | 주식회사 젤파워 | 변압기 보호용 충격 압력계전 시스템의 오동작 방지장치 |
KR20050023104A (ko) * | 2003-08-29 | 2005-03-09 | 명지대학교 | 비접지방식의 배전 계통에 대한 고장 회선 및 고장상 판별방법 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101073099B1 (ko) | 2009-10-30 | 2011-10-12 | 한국전력공사 | 조류 방향 표시 장치 및 방법 |
KR20230027690A (ko) | 2021-08-19 | 2023-02-28 | 한전케이디엔주식회사 | 단말장치 외부 충격 방향 추적 장치 및 그 방법 |
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KR20080070397A (ko) | 2008-07-30 |
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