IN2015DN00498A - - Google Patents
Info
- Publication number
- IN2015DN00498A IN2015DN00498A IN498DEN2015A IN2015DN00498A IN 2015DN00498 A IN2015DN00498 A IN 2015DN00498A IN 498DEN2015 A IN498DEN2015 A IN 498DEN2015A IN 2015DN00498 A IN2015DN00498 A IN 2015DN00498A
- Authority
- IN
- India
- Prior art keywords
- circuit
- auxiliary converter
- detection resistance
- analog detection
- resistance circuit
- Prior art date
Links
- 238000001514 detection method Methods 0.000 abstract 8
- 238000006243 chemical reaction Methods 0.000 abstract 2
- 230000001681 protective effect Effects 0.000 abstract 1
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
- H02H3/08—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
- H02H3/10—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 additionally responsive to some other abnormal electrical conditions
-
- 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
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
- G01R31/3277—Testing of circuit interrupters, switches or circuit-breakers of low voltage devices, e.g. domestic or industrial devices, such as motor protections, relays, rotation switches
- G01R31/3278—Testing of circuit interrupters, switches or circuit-breakers of low voltage devices, e.g. domestic or industrial devices, such as motor protections, relays, rotation switches of relays, solenoids or reed switches
-
- 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
- H02H3/02—Details
- H02H3/04—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
- H02H3/044—Checking correct functioning of protective arrangements, e.g. by simulating a fault
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
A digital protection relay according to an embodiment of the present invention has: an auxiliary converter (2) for reducing the voltage of an electrical signal from a main circuit converter (1); a detection resistance circuit (20) connected on an output side the input side being the auxiliary converter (2) the detection resistance circuit (20) formed in the shape of the letter p or T; an analog detection circuit (3) attached to the output side of the detection resistance circuit (20) and used for detecting the electrical level of the electrical signal from the auxiliary converter (2); an A/D conversion circuit (4) connected to the analog detection circuit (3); a central processing unit (5) connected to the A/D conversion circuit and used for performing protective actions; and a trip output contact point (9) operating based on the processing of the central processing unit (5) for operating an external breaker (21). The digital protection relay provides between the detection resistance circuit (20) and the analog detection circuit (3) an input contact point terminal (11) for inputting a test signal using a fixed voltage from an external test device (13) to the analog detection circuit (3) as a signal corresponding to the output of the auxiliary converter (2).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012180856A JP6058315B2 (en) | 2012-08-17 | 2012-08-17 | Digital protection relay |
PCT/JP2013/070789 WO2014027571A1 (en) | 2012-08-17 | 2013-07-31 | Digital protection relay, digital protection relay test device, and method for testing digital protection relay |
Publications (1)
Publication Number | Publication Date |
---|---|
IN2015DN00498A true IN2015DN00498A (en) | 2015-06-26 |
Family
ID=50287112
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IN498DEN2015 IN2015DN00498A (en) | 2012-08-17 | 2013-07-31 |
Country Status (10)
Country | Link |
---|---|
US (1) | US20150200534A1 (en) |
EP (1) | EP2887482A4 (en) |
JP (1) | JP6058315B2 (en) |
KR (1) | KR20150020678A (en) |
CN (1) | CN104521087A (en) |
BR (1) | BR112015002668A2 (en) |
IN (1) | IN2015DN00498A (en) |
RU (1) | RU2015109140A (en) |
TW (1) | TWI504088B (en) |
WO (1) | WO2014027571A1 (en) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3035750B1 (en) * | 2015-04-30 | 2018-06-15 | Schneider Electric Industries Sas | DEVICE FOR PROTECTING AN ELECTRICAL NETWORK |
KR101649704B1 (en) | 2015-07-28 | 2016-08-19 | 엘에스산전 주식회사 | Power failure monitoring apparatus for digital protecting relay |
FR3053132B1 (en) * | 2016-06-27 | 2018-06-15 | Schneider Electric Ind Sas | SYSTEM FOR MONITORING AN ELECTRICAL NETWORK |
CN106124977A (en) * | 2016-06-29 | 2016-11-16 | 南京国电南自电网自动化有限公司 | A kind of relay contact analog control system method based on virtual instrument |
JP6685465B2 (en) * | 2017-03-10 | 2020-04-22 | 三菱電機株式会社 | Electronic circuit breaker |
AU2018204677B2 (en) * | 2017-07-24 | 2021-12-09 | Cristaudo, Anthony | Mining electrical outlet protection devices test unit |
EP3480609B1 (en) * | 2017-11-02 | 2020-04-29 | Siemens Aktiengesellschaft | Modification of measuring signals for testing of protection systems for electrical power grids |
CN110441677B (en) * | 2018-09-04 | 2021-06-29 | 凯文·马克·柯蒂斯 | Automatic relay tester who disposes |
US11892509B2 (en) * | 2019-04-10 | 2024-02-06 | Ls Electric Co., Ltd. | Protective relay inspection device |
CN110687441A (en) * | 2019-10-14 | 2020-01-14 | 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 | A fast trip relay function detection device |
CN110967554A (en) * | 2019-12-13 | 2020-04-07 | 四川新能电力有限公司 | Overload protection system is prevented to high-power switch |
CN113687145B (en) * | 2020-05-18 | 2025-01-07 | 贵州振华群英电器有限公司(国营第八九一厂) | A voltage drop test device for AC contactor |
CN112072620B (en) * | 2020-08-31 | 2022-09-20 | 许继集团有限公司 | A relay protection outlet method using a relay protection device |
CN112684334B (en) * | 2020-12-22 | 2022-07-22 | 上海玖行能源科技有限公司 | A system and method for detecting adhesion of main relay of AC pile of electric vehicle |
CN113295942B (en) * | 2021-04-23 | 2022-03-08 | 四川华能宝兴河水电有限责任公司 | Relay protection device constant value checking system and method |
CN113945880A (en) * | 2021-09-10 | 2022-01-18 | 中广核核电运营有限公司 | Automatic calibration device and method for testing distribution board relay protection device |
CN114113847B (en) * | 2021-11-23 | 2024-04-12 | 天津凯发电气股份有限公司 | Test method and device for relay protection CPU plug-in |
CN113899939B (en) * | 2021-12-10 | 2022-03-29 | 广东省新一代通信与网络创新研究院 | A power failure alarm circuit for communication equipment, processing method and communication equipment |
SE546379C2 (en) * | 2023-05-23 | 2024-10-22 | Megger Sweden Ab | Method and device for testing protection relays |
CN117612846B (en) * | 2023-10-26 | 2024-10-22 | 中建三局第三建设工程有限责任公司 | Transformer differential protection debugging system and method |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4060844A (en) * | 1976-02-17 | 1977-11-29 | I-T-E Imperial Corporation | Solid state tripping circuit |
US4464698A (en) * | 1982-09-20 | 1984-08-07 | Hitachi, Ltd. | Protective relay |
JP2755697B2 (en) * | 1989-06-27 | 1998-05-20 | 株式会社東芝 | Protective relay |
FR2729473A1 (en) * | 1995-01-16 | 1996-07-19 | Schneider Electric Sa | DEVICE FOR TESTING A PROTECTION RELAY CONNECTED TO NON-MAGNETIC SENSORS |
US6411913B1 (en) * | 1998-04-28 | 2002-06-25 | Robert W. Beckwith | Synchronous extremely low frequency (ELF) receiver |
GB9822515D0 (en) * | 1998-10-16 | 1998-12-09 | Alstom Uk Ltd | Improvements relating to monitoring apparatus for electrical circuits |
EP1109280B1 (en) * | 1999-12-16 | 2014-07-16 | ABB Technology AG | A digital multifunction relay having improved characteristics |
US7123156B2 (en) * | 1999-12-17 | 2006-10-17 | L.S. Unico, Inc. | Lighted status indicator corresponding to the positions of circuit breaker, switch or fuse |
EP1113556A1 (en) * | 1999-12-30 | 2001-07-04 | ABB T&D Technologies Ltd. | A digital relay having an improved man-machine interface |
JP2008079367A (en) * | 2006-09-19 | 2008-04-03 | Toshiba Corp | Protection relay device |
US8023235B2 (en) * | 2006-10-31 | 2011-09-20 | Siemens Industry, Inc. | Multifunctional residential circuit breaker |
JP2009171723A (en) * | 2008-01-16 | 2009-07-30 | Chugoku Electric Power Co Inc:The | Test instrument for digital protective relay |
CN101900771B (en) * | 2009-05-31 | 2013-11-27 | 西门子公司 | RCD detection device and detection method |
JP5627274B2 (en) * | 2010-04-19 | 2014-11-19 | 株式会社東芝 | Digital protection relay and digital protection relay test equipment |
JP2012151978A (en) * | 2011-01-18 | 2012-08-09 | Toshiba Corp | Digital protection relay and testing method thereof |
-
2012
- 2012-08-17 JP JP2012180856A patent/JP6058315B2/en active Active
-
2013
- 2013-07-31 KR KR20157000594A patent/KR20150020678A/en not_active Withdrawn
- 2013-07-31 IN IN498DEN2015 patent/IN2015DN00498A/en unknown
- 2013-07-31 EP EP13879655.2A patent/EP2887482A4/en not_active Withdrawn
- 2013-07-31 US US14/416,734 patent/US20150200534A1/en not_active Abandoned
- 2013-07-31 BR BR112015002668A patent/BR112015002668A2/en not_active IP Right Cessation
- 2013-07-31 RU RU2015109140A patent/RU2015109140A/en not_active Application Discontinuation
- 2013-07-31 WO PCT/JP2013/070789 patent/WO2014027571A1/en active Application Filing
- 2013-07-31 CN CN201380041731.4A patent/CN104521087A/en active Pending
- 2013-08-13 TW TW102128984A patent/TWI504088B/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
WO2014027571A1 (en) | 2014-02-20 |
BR112015002668A2 (en) | 2017-07-04 |
EP2887482A4 (en) | 2016-04-27 |
EP2887482A1 (en) | 2015-06-24 |
TWI504088B (en) | 2015-10-11 |
CN104521087A (en) | 2015-04-15 |
JP2014039408A (en) | 2014-02-27 |
RU2015109140A (en) | 2016-10-10 |
TW201429096A (en) | 2014-07-16 |
KR20150020678A (en) | 2015-02-26 |
JP6058315B2 (en) | 2017-01-11 |
US20150200534A1 (en) | 2015-07-16 |
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