JP4935455B2 - 漏電検出装置 - Google Patents
漏電検出装置 Download PDFInfo
- Publication number
- JP4935455B2 JP4935455B2 JP2007081786A JP2007081786A JP4935455B2 JP 4935455 B2 JP4935455 B2 JP 4935455B2 JP 2007081786 A JP2007081786 A JP 2007081786A JP 2007081786 A JP2007081786 A JP 2007081786A JP 4935455 B2 JP4935455 B2 JP 4935455B2
- Authority
- JP
- Japan
- Prior art keywords
- test
- circuit
- leakage
- winding
- zero
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001514 detection method Methods 0.000 claims description 84
- 238000004804 winding Methods 0.000 claims description 66
- 239000004020 conductor Substances 0.000 claims description 17
- 230000035945 sensitivity Effects 0.000 description 9
- 230000006698 induction Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 229910001219 R-phase Inorganic materials 0.000 description 5
- 230000005856 abnormality Effects 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 230000016507 interphase Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Images
Classifications
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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
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/52—Testing for short-circuits, leakage current or ground faults
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/28—Provision in measuring instruments for reference values, e.g. standard voltage, standard waveform
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R17/00—Measuring arrangements involving comparison with a reference value, e.g. bridge
- G01R17/02—Arrangements in which the value to be measured is automatically compared with a reference value
-
- 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
- G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
- G01R19/1659—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 to indicate that the value is within or outside a predetermined range of values (window)
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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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Emergency Protection Circuit Devices (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Breakers (AREA)
Description
この実施例1のその他の構成は、前記従来装置と同じであるので、同一要素は同一符号で示し、その説明を省略する。
2:遮断部
3:漏電検出装置
4:零相変流器
5:2次検出巻線
6:漏電検出回路
7:トリップコイル
8:テストスイッチ
9:出力リレー
10:整流回路
11:テスト巻線
D:ダイオード
Claims (1)
- 2次巻線とテスト巻線の設けられた環状鉄心に主電路の導体を貫通させ、この主電路に流れる零相電流を検出して前記2次巻線から取り出す零相変流器と、この零相変流器の2次巻線から取り出された零相検出電流の大きさを判定し、これが予め設定された基準値より大きくなったとき漏電の発生を示す漏電検出信号を出力する漏電検出回路と、交流電源の交流電圧を直流電圧に変換して前記漏電検出回路に供給する整流回路からなる直流電源と、前記零相変流器に設けたテスト巻線に動作テストを行うときだけ閉成してテスト電流を供給するテストスイッチを含むテスト回路とを備えた漏電検出装置において、前記テスト回路における零相変流器のテスト巻線の一方端を、前記テストスイッチを介して前記整流回路の一方の交流入力端に接続し、前記テスト巻線のテストスイッチの接続されない他方の端子を、カソードがテスト巻線端を向く極性にしたダイオードを介して前記整流回路の他方の交流入力端に接続したことを特徴とする漏電検出装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007081786A JP4935455B2 (ja) | 2007-03-27 | 2007-03-27 | 漏電検出装置 |
KR1020080013774A KR20080087654A (ko) | 2007-03-27 | 2008-02-15 | 누전 검출 장치 |
FR0800911A FR2914428B1 (fr) | 2007-03-27 | 2008-02-20 | Dispositif de detection de fuite |
CN2008100885353A CN101276713B (zh) | 2007-03-27 | 2008-03-27 | 漏电检测装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007081786A JP4935455B2 (ja) | 2007-03-27 | 2007-03-27 | 漏電検出装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008243564A JP2008243564A (ja) | 2008-10-09 |
JP4935455B2 true JP4935455B2 (ja) | 2012-05-23 |
Family
ID=39760636
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007081786A Active JP4935455B2 (ja) | 2007-03-27 | 2007-03-27 | 漏電検出装置 |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP4935455B2 (ja) |
KR (1) | KR20080087654A (ja) |
CN (1) | CN101276713B (ja) |
FR (1) | FR2914428B1 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4874371B2 (ja) * | 2009-07-22 | 2012-02-15 | 中国電力株式会社 | 事故電流検出回路 |
US9322865B2 (en) * | 2010-06-07 | 2016-04-26 | Ampcontrol Pty Ltd. | Method for detection of leakage or fault currents from equipment in an electrical power system |
CN103430036B (zh) * | 2011-03-23 | 2016-03-30 | 松下知识产权经营株式会社 | 漏电检测装置 |
JP5768741B2 (ja) * | 2012-02-29 | 2015-08-26 | 三菱電機株式会社 | 漏電遮断器 |
CN103647252B (zh) * | 2013-12-05 | 2016-03-16 | 江苏国星电器有限公司 | 具有fsk通讯功能的漏电开关 |
KR101402046B1 (ko) * | 2013-12-18 | 2014-06-02 | 제닉스윈 주식회사 | 디지털 누전차단기 |
JP6237533B2 (ja) * | 2014-08-22 | 2017-11-29 | 三菱電機株式会社 | 漏電遮断器 |
FR3059783B1 (fr) * | 2016-12-07 | 2019-01-25 | Hager-Electro Sas | Procede de fabrication d'un capteur de mesure pour un disjoncteur |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2531294B2 (ja) * | 1990-05-31 | 1996-09-04 | 松下電工株式会社 | 漏電検出装置 |
JP2004015961A (ja) * | 2002-06-10 | 2004-01-15 | Kawamura Electric Inc | 三相欠相保護付漏電遮断器 |
JP4264817B2 (ja) * | 2003-11-27 | 2009-05-20 | 富士電機機器制御株式会社 | 漏電遮断器 |
JP4395009B2 (ja) * | 2004-05-28 | 2010-01-06 | 三菱電機株式会社 | 漏電遮断器 |
JP4623560B2 (ja) * | 2004-09-30 | 2011-02-02 | 河村電器産業株式会社 | 漏電遮断器 |
-
2007
- 2007-03-27 JP JP2007081786A patent/JP4935455B2/ja active Active
-
2008
- 2008-02-15 KR KR1020080013774A patent/KR20080087654A/ko not_active Application Discontinuation
- 2008-02-20 FR FR0800911A patent/FR2914428B1/fr not_active Expired - Fee Related
- 2008-03-27 CN CN2008100885353A patent/CN101276713B/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FR2914428A1 (fr) | 2008-10-03 |
FR2914428B1 (fr) | 2012-12-14 |
KR20080087654A (ko) | 2008-10-01 |
JP2008243564A (ja) | 2008-10-09 |
CN101276713B (zh) | 2012-04-25 |
CN101276713A (zh) | 2008-10-01 |
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