JP7196306B2 - 気中回路遮断器の変流器 - Google Patents
気中回路遮断器の変流器 Download PDFInfo
- Publication number
- JP7196306B2 JP7196306B2 JP2021531847A JP2021531847A JP7196306B2 JP 7196306 B2 JP7196306 B2 JP 7196306B2 JP 2021531847 A JP2021531847 A JP 2021531847A JP 2021531847 A JP2021531847 A JP 2021531847A JP 7196306 B2 JP7196306 B2 JP 7196306B2
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- current
- magnetic flux
- shunt
- current transformer
- secondary coil
- Prior art date
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- 230000004907 flux Effects 0.000 claims description 62
- 239000004020 conductor Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 6
- 230000002159 abnormal effect Effects 0.000 description 5
- 239000000696 magnetic material Substances 0.000 description 5
- 238000013021 overheating Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000020169 heat generation Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F3/00—Cores, Yokes, or armatures
- H01F3/10—Composite arrangements of magnetic circuits
- H01F3/12—Magnetic shunt paths
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
- G01R15/18—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
- G01R15/183—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers using transformers with a magnetic core
- G01R15/185—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers using transformers with a magnetic core with compensation or feedback windings or interacting coils, e.g. 0-flux sensors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/42—Circuits specially adapted for the purpose of modifying, or compensating for, electric characteristics of transformers, reactors, or choke coils
- H01F27/422—Circuits specially adapted for the purpose of modifying, or compensating for, electric characteristics of transformers, reactors, or choke coils for instrument transformers
- H01F27/427—Circuits specially adapted for the purpose of modifying, or compensating for, electric characteristics of transformers, reactors, or choke coils for instrument transformers for current transformers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/20—Instruments transformers
- H01F38/22—Instruments transformers for single phase ac
- H01F38/28—Current transformers
- H01F38/30—Constructions
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/123—Automatic release mechanisms with or without manual release using a solid-state trip unit
- H01H71/125—Automatic release mechanisms with or without manual release using a solid-state trip unit characterised by sensing elements, e.g. current transformers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/0007—Details of emergency protective circuit arrangements concerning the detecting means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/20—Instruments transformers
- H01F38/22—Instruments transformers for single phase ac
- H01F38/28—Current transformers
- H01F38/30—Constructions
- H01F2038/305—Constructions with toroidal magnetic core
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Transformers For Measuring Instruments (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Description
Claims (6)
- 気中回路遮断器の主回路が貫通する貫通孔を有する磁性コアであって、第1分路と第2分路を含み、前記貫通孔を通過する磁束が誘導される磁性コア;
前記磁性コアに隣接して配置され、前記主回路を流れる電流によって二次電流が誘導され、継電器へ二次電流を供給する二次コイルであって、前記第1分路に結合された二次コイル;及び、
前記第2分路に結合して、前記二次コイルに誘導される二次電流を補正する磁束補償部材を含み、
より大きい断面積を有する前記第2分路からの磁束が前記第1分路からの磁束よりも大きい変流器。 - 前記磁束補償部材は、前記第2分路に結合する導体であり、前記第1分路で発生した前記磁束を補償する、
請求項1に記載の変流器。 - 前記磁束補償部材は、予め定めた厚さを有する板状部材で形成される、
請求項1に記載の変流器。 - 前記磁束補償部材は、予め定めた厚さを有する板状部材が複数個重なって、前記磁性コアに結合する、
請求項3に記載の変流器。 - 前記二次コイルは、前記第2分路と予め定めた間隔だけ離隔した第1分路に結合し、
前記第2分路からの磁束が前記第1分路からの磁束よりも大きく、前記第1分路から誘導される磁束の強さは相対的に低減されており、
該第1分路からの該低減された磁束は、前記二次コイルにおいて誘導された電流の強さを低減する、
請求項1に記載の変流器。 - 前記磁束補償部材は、予め定めた厚さからなる板状部材として具現化される、
請求項5に記載の変流器。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2018-0169803 | 2018-12-26 | ||
KR1020180169803A KR102153970B1 (ko) | 2018-12-26 | 2018-12-26 | 기중회로차단기의 변류기 |
PCT/KR2019/012042 WO2020138654A1 (ko) | 2018-12-26 | 2019-09-18 | 기중회로차단기의 변류기 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2022515034A JP2022515034A (ja) | 2022-02-17 |
JP7196306B2 true JP7196306B2 (ja) | 2022-12-26 |
Family
ID=71126515
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2021531847A Active JP7196306B2 (ja) | 2018-12-26 | 2019-09-18 | 気中回路遮断器の変流器 |
Country Status (6)
Country | Link |
---|---|
US (1) | US11810709B2 (ja) |
EP (1) | EP3905287A4 (ja) |
JP (1) | JP7196306B2 (ja) |
KR (1) | KR102153970B1 (ja) |
CN (1) | CN112997264A (ja) |
WO (1) | WO2020138654A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP1675483S (ja) * | 2020-04-27 | 2020-12-21 | ||
EP4309197A2 (de) * | 2021-03-19 | 2024-01-24 | Redur Gmbh & Co. KG | Niederspannungsabschirmkörper, niederspannungsstromwandler, niederspannungsstromwandleranordnung bzw. niederspannungselektrikanordnung |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070086131A1 (en) | 2005-10-19 | 2007-04-19 | Eaton Corporation | Current transformer including a low permeability shunt and a trip device employing the same |
CN101685725A (zh) | 2008-09-25 | 2010-03-31 | 西门子公司 | 断路器和用于断路器的电流互感器 |
CN102800471A (zh) | 2011-05-26 | 2012-11-28 | 北京人民电器厂有限公司 | 速饱和电流互感器 |
US20130314083A1 (en) | 2012-05-21 | 2013-11-28 | Schneider Electric Industries Sas | Mixed current sensor and method for fitting said sensor |
US20170229236A1 (en) | 2014-08-06 | 2017-08-10 | Seari Electric Technology Co., Ltd. | Current transformer |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS622747Y2 (ja) | 1981-03-09 | 1987-01-22 | ||
US4876625A (en) * | 1988-11-04 | 1989-10-24 | Westinghouse Electric Corp. | Composite circuit breaker system |
FR2725320B1 (fr) * | 1994-09-29 | 1996-10-31 | Schneider Electric Sa | Dispositif de declenchement comportant au moins un transformateur de courant |
JP2001264364A (ja) * | 2000-03-14 | 2001-09-26 | Matsushita Electric Ind Co Ltd | 光変流器 |
JP2002064019A (ja) * | 2000-08-22 | 2002-02-28 | Sony Corp | 磁心及びこの磁心を備えるコイル装置 |
ITBG20030062A1 (it) | 2003-12-30 | 2005-06-30 | Abb Service Srl | Dispositivo di alimentazione per un dispositivo di protezione elettronico da impiegarsi in un interruttore di bassa tensione. |
KR100657645B1 (ko) * | 2006-01-04 | 2006-12-14 | 부전전자부품 주식회사 | 보조코어가 구비된 트랜스포머 |
US9224531B2 (en) * | 2011-03-31 | 2015-12-29 | Bose Corporation | Power converter using orthogonal secondary windings |
JP5948958B2 (ja) | 2012-02-29 | 2016-07-06 | 富士電機機器制御株式会社 | 電流検出装置 |
JP5850248B2 (ja) | 2012-04-20 | 2016-02-03 | 株式会社デンソー | 非接触給電装置 |
US9472329B2 (en) * | 2012-08-15 | 2016-10-18 | Bruce W. Carsten | High leakage transformers with tape wound cores |
EP2975617B1 (en) | 2013-03-13 | 2023-06-07 | Mitsubishi Electric Corporation | Solenoid-operated device |
US9607749B2 (en) * | 2014-01-23 | 2017-03-28 | Veris Industries, Llc | Split core current transformer |
TR201809367T4 (tr) * | 2014-02-06 | 2018-07-23 | Abb Spa | Önceden belirlenen bir akım eşiğine göre bir birincil iletkenin bir akımının izlenmesi için cihaz ve ilgili trip tertibatı ve anahtarlama cihazı. |
KR102539688B1 (ko) | 2016-04-28 | 2023-06-07 | 엘에스일렉트릭(주) | 누전 차단기 |
JP2018112535A (ja) | 2017-01-13 | 2018-07-19 | パナソニックIpマネジメント株式会社 | 電流計測システム、及び分電盤 |
FR3089340B1 (fr) | 2018-11-29 | 2020-10-30 | Schneider Electric Ind Sas | Transformateur de courant, dispositif de protection et disjoncteur électrique comportant un tel transformateur |
-
2018
- 2018-12-26 KR KR1020180169803A patent/KR102153970B1/ko active IP Right Grant
-
2019
- 2019-09-18 JP JP2021531847A patent/JP7196306B2/ja active Active
- 2019-09-18 CN CN201980074144.2A patent/CN112997264A/zh active Pending
- 2019-09-18 EP EP19902184.1A patent/EP3905287A4/en active Pending
- 2019-09-18 US US17/414,002 patent/US11810709B2/en active Active
- 2019-09-18 WO PCT/KR2019/012042 patent/WO2020138654A1/ko unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070086131A1 (en) | 2005-10-19 | 2007-04-19 | Eaton Corporation | Current transformer including a low permeability shunt and a trip device employing the same |
CN101685725A (zh) | 2008-09-25 | 2010-03-31 | 西门子公司 | 断路器和用于断路器的电流互感器 |
CN102800471A (zh) | 2011-05-26 | 2012-11-28 | 北京人民电器厂有限公司 | 速饱和电流互感器 |
US20130314083A1 (en) | 2012-05-21 | 2013-11-28 | Schneider Electric Industries Sas | Mixed current sensor and method for fitting said sensor |
US20170229236A1 (en) | 2014-08-06 | 2017-08-10 | Seari Electric Technology Co., Ltd. | Current transformer |
Also Published As
Publication number | Publication date |
---|---|
WO2020138654A1 (ko) | 2020-07-02 |
CN112997264A (zh) | 2021-06-18 |
KR102153970B1 (ko) | 2020-09-09 |
EP3905287A4 (en) | 2022-03-09 |
EP3905287A1 (en) | 2021-11-03 |
JP2022515034A (ja) | 2022-02-17 |
US11810709B2 (en) | 2023-11-07 |
US20220044869A1 (en) | 2022-02-10 |
KR20200080007A (ko) | 2020-07-06 |
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