JP5695158B2 - 事故電流高速検出回路 - Google Patents
事故電流高速検出回路 Download PDFInfo
- Publication number
- JP5695158B2 JP5695158B2 JP2013215577A JP2013215577A JP5695158B2 JP 5695158 B2 JP5695158 B2 JP 5695158B2 JP 2013215577 A JP2013215577 A JP 2013215577A JP 2013215577 A JP2013215577 A JP 2013215577A JP 5695158 B2 JP5695158 B2 JP 5695158B2
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- Prior art keywords
- current detection
- current
- signal
- output
- output signal
- 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.)
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- 238000001514 detection method Methods 0.000 title claims description 124
- 238000010586 diagram Methods 0.000 description 5
- 230000007257 malfunction Effects 0.000 description 3
- 230000005284 excitation Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
Images
Classifications
-
- 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
- H02H3/44—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 the rate of change of electrical quantities
-
- 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
-
- 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
-
- 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
- H02H3/093—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 with timing means
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/02—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess current
Description
200a 第1変流器
200b 第2変流器
300 第1比較回路部
400 微分器
500 第2比較回路部
600 トリップ決定部
700 第3比較回路部
Claims (3)
- 事故電流高速検出回路において、
電力系統の電力回路に流れる電流を検出して電流検出信号を出力する電流検出部と、
前記電流検出部から出力された電流検出信号を所定の基準電流値と比較し、前記電流検出信号が前記基準電流値以上であれば、これを示す第1出力信号を出力する第1比較回路部と、
前記電流検出部から出力された電流検出信号を微分して前記電流検出信号の変化率を出力する微分器と、
前記微分器からの電流検出信号の変化率を所定の基準変化率値と比較し、前記電流検出信号の変化率が前記基準変化率値以上であれば、これを示す第2出力信号を出力する第2比較回路部と、
前記電流検出部から出力された電流検出信号を所定の電流検出限界基準値と比較し、前記電流検出信号が前記電流検出限界基準値以上であれば、これを示す第3出力信号を出力する第3比較回路部と、
前記第1出力信号、前記第2出力信号及び前記第3出力信号を受信するように前記第1比較回路部、前記第2比較回路部及び前記第3比較回路部に接続され、所定の短時間の間前記第1出力信号及び前記第2出力信号の受信が維持されて前記第3出力信号は受信されないときにのみ、トリップ制御信号を出力するトリップ決定部と
を含むことを特徴とする事故電流高速検出回路。 - 前記所定の短時間は、100マイクロ秒(μs)であることを特徴とする請求項1に記載の事故電流高速検出回路。
- 前記所定の短時間は、50〜100マイクロ秒(μs)の範囲で決定されることを特徴とする請求項1に記載の事故電流高速検出回路。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020120121510A KR101846221B1 (ko) | 2012-10-30 | 2012-10-30 | 고속 사고전류 검출 회로 |
KR10-2012-0121510 | 2012-10-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2014089955A JP2014089955A (ja) | 2014-05-15 |
JP5695158B2 true JP5695158B2 (ja) | 2015-04-01 |
Family
ID=49328421
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013215577A Active JP5695158B2 (ja) | 2012-10-30 | 2013-10-16 | 事故電流高速検出回路 |
Country Status (6)
Country | Link |
---|---|
US (1) | US9093838B2 (ja) |
EP (1) | EP2728691B1 (ja) |
JP (1) | JP5695158B2 (ja) |
KR (1) | KR101846221B1 (ja) |
CN (1) | CN103795022B (ja) |
ES (1) | ES2588255T3 (ja) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101631633B1 (ko) * | 2014-07-15 | 2016-06-17 | 엘에스산전 주식회사 | 고속 사고전류 검출 회로 |
WO2016080909A1 (en) * | 2014-11-19 | 2016-05-26 | Nanyang Technological University | Electronic circuit for single-event latch-up detection and protection |
FR3041179B1 (fr) * | 2015-09-14 | 2019-05-10 | Schneider Electric Industries Sas | Dispositif et procede de limitation d'un premier pic de courant dans un reseau electrique |
KR101736000B1 (ko) * | 2016-02-26 | 2017-05-15 | 엘에스산전 주식회사 | 전력 계통의 고장 검출 장치 |
CN107449991A (zh) * | 2017-07-17 | 2017-12-08 | 珠海格力电器股份有限公司 | 电加热模块异常运行检测方法和装置及空调器 |
CN108646119A (zh) * | 2018-07-12 | 2018-10-12 | 中铁磁浮科技(成都)有限公司 | 一种基于磁悬浮列车智能化电气屏柜检测系统 |
CN109713637B (zh) * | 2018-12-27 | 2020-09-15 | 惠科股份有限公司 | 一种过流保护方法、过流保护电路和显示装置 |
CN114069565A (zh) * | 2021-11-22 | 2022-02-18 | 齐鲁工业大学 | 一种电池管理系统的温度保护装置及方法 |
CN114498549A (zh) * | 2022-01-27 | 2022-05-13 | 华为数字能源技术有限公司 | 一种用于断路器的控制电路、方法及电子设备 |
KR20230133473A (ko) * | 2022-03-11 | 2023-09-19 | 동아전기공업 주식회사 | 트립모듈식 회로차단기가 내장된 누전차단기 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5361184A (en) | 1992-10-20 | 1994-11-01 | Board Of Regents Of The University Of Washington | Adaptive sequential controller |
US6426856B1 (en) | 1997-08-12 | 2002-07-30 | Siemens Aktiengesellschaft | Method for monitoring a protective gear |
JP2002095149A (ja) | 2000-09-13 | 2002-03-29 | Toshiba Corp | 半導体スイッチ制御装置 |
WO2007027598A1 (en) * | 2005-08-30 | 2007-03-08 | Abb Technology Ag | Method and system for through fault detection in electrical devices |
US9212951B2 (en) * | 2010-07-01 | 2015-12-15 | Panasonic Intellectual Property Management Co., Ltd. | Object detection device |
KR101118375B1 (ko) | 2010-09-07 | 2012-03-09 | 엘에스산전 주식회사 | 전력계통에서의 고속 사고판단 장치 |
-
2012
- 2012-10-30 KR KR1020120121510A patent/KR101846221B1/ko active IP Right Grant
-
2013
- 2013-10-10 US US14/051,269 patent/US9093838B2/en active Active
- 2013-10-14 ES ES13188423.1T patent/ES2588255T3/es active Active
- 2013-10-14 EP EP13188423.1A patent/EP2728691B1/en active Active
- 2013-10-16 JP JP2013215577A patent/JP5695158B2/ja active Active
- 2013-10-16 CN CN201310485552.1A patent/CN103795022B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
US20140118001A1 (en) | 2014-05-01 |
KR20140055129A (ko) | 2014-05-09 |
EP2728691A1 (en) | 2014-05-07 |
EP2728691B1 (en) | 2016-06-08 |
KR101846221B1 (ko) | 2018-04-06 |
JP2014089955A (ja) | 2014-05-15 |
CN103795022B (zh) | 2017-04-26 |
CN103795022A (zh) | 2014-05-14 |
ES2588255T3 (es) | 2016-10-31 |
US9093838B2 (en) | 2015-07-28 |
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