KR100902683B1 - 누전차단기 - Google Patents
누전차단기 Download PDFInfo
- Publication number
- KR100902683B1 KR100902683B1 KR1020070056149A KR20070056149A KR100902683B1 KR 100902683 B1 KR100902683 B1 KR 100902683B1 KR 1020070056149 A KR1020070056149 A KR 1020070056149A KR 20070056149 A KR20070056149 A KR 20070056149A KR 100902683 B1 KR100902683 B1 KR 100902683B1
- Authority
- KR
- South Korea
- Prior art keywords
- test
- earth leakage
- breaker
- circuit
- current
- Prior art date
Links
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
- H01H83/06—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by current falling below a predetermined value
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/24—Arrangements for measuring quantities of charge
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
- H01H83/02—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents
- H01H83/04—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents with testing means for indicating the ability of the switch or relay to function properly
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/06—Arrangements for supplying operative power
-
- 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
- H02H3/26—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents
- H02H3/32—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
- H02H3/33—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers
- H02H3/334—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers with means to produce an artificial unbalance for other protection or monitoring reasons or remote control
- H02H3/335—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers with means to produce an artificial unbalance for other protection or monitoring reasons or remote control the main function being self testing of the device
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
Description
Claims (2)
- 누전시험회로를 포함하는 누전차단기에 있어서,상용전원으로부터 유입되는 전원의 써지전압을 방지하고 시스템 구동전원을 생성하기 위한 정류처리부와;누전 시험을 위한 시험스위치부와;상기 시험스위치부와 병렬로 연결되어 상기 누전차단기에 인가된 전압을 분압하여 다운시키는 전력용 반도체와;누설 전류를 검출하는 영상변류기와;상기 영상변류기와 연결되어 상기 누설 전류를 연산하여 전원을 차단하도록 하는 연산처리부;를 포함하여 구성되는 것을 특징으로 하는 누전차단기.
- 삭제
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070056149A KR100902683B1 (ko) | 2007-06-08 | 2007-06-08 | 누전차단기 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070056149A KR100902683B1 (ko) | 2007-06-08 | 2007-06-08 | 누전차단기 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20080107844A KR20080107844A (ko) | 2008-12-11 |
KR100902683B1 true KR100902683B1 (ko) | 2009-06-15 |
Family
ID=40367988
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020070056149A KR100902683B1 (ko) | 2007-06-08 | 2007-06-08 | 누전차단기 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100902683B1 (ko) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20000007816A (ko) * | 1998-07-07 | 2000-02-07 | 이종수 | 누전차단 점검장치 및 방법 |
KR20050055183A (ko) * | 2003-12-05 | 2005-06-13 | 정영세 | 전원 자동 절체 장치 |
JP2005158559A (ja) * | 2003-11-27 | 2005-06-16 | Fuji Electric Fa Components & Systems Co Ltd | 漏電遮断器 |
JP2006302601A (ja) | 2005-04-19 | 2006-11-02 | Fuji Electric Holdings Co Ltd | 漏電遮断器 |
-
2007
- 2007-06-08 KR KR1020070056149A patent/KR100902683B1/ko active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20000007816A (ko) * | 1998-07-07 | 2000-02-07 | 이종수 | 누전차단 점검장치 및 방법 |
JP2005158559A (ja) * | 2003-11-27 | 2005-06-16 | Fuji Electric Fa Components & Systems Co Ltd | 漏電遮断器 |
KR20050055183A (ko) * | 2003-12-05 | 2005-06-13 | 정영세 | 전원 자동 절체 장치 |
JP2006302601A (ja) | 2005-04-19 | 2006-11-02 | Fuji Electric Holdings Co Ltd | 漏電遮断器 |
Also Published As
Publication number | Publication date |
---|---|
KR20080107844A (ko) | 2008-12-11 |
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