JP7053386B2 - 差動電気的保護装置 - Google Patents
差動電気的保護装置 Download PDFInfo
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- JP7053386B2 JP7053386B2 JP2018119130A JP2018119130A JP7053386B2 JP 7053386 B2 JP7053386 B2 JP 7053386B2 JP 2018119130 A JP2018119130 A JP 2018119130A JP 2018119130 A JP2018119130 A JP 2018119130A JP 7053386 B2 JP7053386 B2 JP 7053386B2
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- 239000004020 conductor Substances 0.000 claims description 63
- 238000005259 measurement Methods 0.000 claims description 35
- 238000005452 bending Methods 0.000 claims description 5
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 238000004804 winding Methods 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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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
- H01H83/14—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection
-
- 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
-
- 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
- H01H83/14—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection
- H01H83/144—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection with differential transformer
-
- 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
- G01R15/181—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers using coils without a magnetic core, e.g. Rogowski coils
-
- 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
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
- H01F27/36—Electric or magnetic shields or screens
-
- 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
- H01H71/02—Housings; Casings; Bases; Mountings
- H01H71/0207—Mounting or assembling the different parts of the circuit breaker
-
- 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
- H01H83/20—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition
- H01H83/22—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition the other condition being imbalance of two or more currents or voltages
- H01H83/226—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition the other condition being imbalance of two or more currents or voltages with differential transformer
-
- 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
-
- 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
- H01H83/14—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection
- H01H83/144—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection with differential transformer
- H01H2083/148—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection with differential transformer with primary windings formed of rigid copper conductors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
- Emergency Protection Circuit Devices (AREA)
- Breakers (AREA)
Description
Claims (11)
- 少なくともN本の電線を保護するよう意図され、スイッチング装置と、前記スイッチング装置に接続されるよう意図されたトリップモジュールと、を備える差動電気的保護装置であって、前記トリップモジュールは第1に、少なくとも2本の電流線における差動電流を測定する装置を備え、前記差動電流を測定するこの装置は、前記電流線とそれぞれ関連付けられたいわゆる一次導体を取り囲むよう意図されたトーラスを含む磁気回路を備え、前記トリップモジュールは第2に、各電流線それぞれに対する電流測定および電力供給センサを備え、前記スイッチング装置は、電力供給手段と、前記差動電流を測定する装置と前記様々な電流測定および電力供給センサとの上流にかつ前記スイッチング装置の接点を開く機構を作動する装置の下流に電気的に接続された処理手段とを備え、
N-1個の相導体(7、9)を備え、各相導体は、いわゆる入力または上部接続ランド(11、13)といわゆる出力または下部接続ランド(14、16)との間に、前記トーラス(10)を通過可能な部分(7a、9a)と電流測定および電力供給センサ(4、6)を通過可能な部分(7b、9b)とを備え、前記いわゆる入力接続ランド(11、13)はいわゆる第1の平面P1に配置され、前記いわゆる出力接続ランド(14、16)はいわゆる第2の平面P2に延在し、前記N-1個の相導体の前記電流測定および電力供給センサ(4、6)は各々、前記2つの平面P1、P2の間の空間に配置され、前記装置はさらに、いわゆる入力接続ランド(12)といわゆる出力接続ランド(15)とを含むいわゆる追加の相導体(8)を備え、前記トーラスを通過可能な部分(8a)といわゆる追加の測定センサ(17)を通過する可能部分(8b)とは前記電流の測定のみを行い、このいわゆる追加の測定センサ(17)は、前記トーラス(10)および前記追加の測定センサ(17)によって形成されたアセンブリが前記2つの平面P1、P2の間の前記空間内に実質的に配置されるように前記トーラス(10)の真上に配置される、差動電気的保護装置。 - 前記追加の測定センサ(17)は、ロゴスキー(Rogowski)センサであることを特徴とする、請求項1に記載の装置。
- 前記トーラス(10)は、前記いわゆる追加の相導体(8)上に地絡が存在する状態で前記処理手段に電力を供給するように、前記相導体(7から9)を囲む電流トランス(21)に関連付けられていることを特徴とする、請求項1または2に記載の装置。
- 各相導体(7から9)は、前記トーラス(10)を通過するように意図されたいわゆる第1の主要部分(7a、8a、9a)を備え、かつその2つの端部に、前記主要部分(7a、8a、9a)に対して実質的に垂直に延在する接続部分(7b、7c、8b、8c、9b、9c)を備え、各相導体の前記2つの接続部の各々は、2つの反対方向に延びることを特徴とする、請求項1から3のいずれか一項に記載の装置。
- 前記追加の測定センサ(17)は、その軸が前記トーラス(10)の軸に実質的に平行に延びるように形作られていることを特徴とする、請求項1から4のいずれか一項に記載の装置。
- 前記追加の測定センサ(17)は、その軸が前記トーラス(10)の軸に実質的に垂直に延びるように形作られていることを特徴とする、請求項1から4のいずれか一項に記載の装置。
- 1つの同じ相導体(7から9)の前記2つの接続ランド(11、14)、(12、15)、および(13、16)は、互いに対して実質的に平行に延びていることを特徴とする、請求項1から6のいずれか一項に記載の装置。
- 前記または各N-1個の相導体(7から9)は、前記トーラス(10)の開口部内に挿入できるように最初に直角に2回曲げられ、その後に前記導体が再び直角に2回曲げられて前記導体に関連付けられた前記電流測定および電力供給センサ(4、6)に挿入され、一方、前記追加の相導体(8)は、前記トーラス(10)を連続して直接的に通過し、その後に前記追加の測定センサ(17)を屈曲することなく通過することを特徴とする、請求項1から7のいずれか一項に記載の装置。
- Nは3であり、前記装置は3極タイプであることを特徴とする、請求項1から8のいずれか一項に記載の装置。
- Nは4であり、前記装置は4極タイプであることを特徴とする、請求項1から8のいずれか一項に記載の装置。
- 回路遮断器であることを特徴とする、請求項1から10のいずれか一項に記載の装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1757064A FR3069718B1 (fr) | 2017-07-25 | 2017-07-25 | Appareil de protection electrique differentielle |
FR1757064 | 2017-07-25 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019033070A JP2019033070A (ja) | 2019-02-28 |
JP7053386B2 true JP7053386B2 (ja) | 2022-04-12 |
Family
ID=60080993
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018119130A Active JP7053386B2 (ja) | 2017-07-25 | 2018-06-22 | 差動電気的保護装置 |
Country Status (7)
Country | Link |
---|---|
US (1) | US11017971B2 (ja) |
EP (1) | EP3435398B1 (ja) |
JP (1) | JP7053386B2 (ja) |
KR (1) | KR102549653B1 (ja) |
CN (1) | CN109300749B (ja) |
ES (1) | ES2757828T3 (ja) |
FR (1) | FR3069718B1 (ja) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011034714A (ja) | 2009-07-30 | 2011-02-17 | Mitsubishi Electric Corp | 遮断器 |
Family Cites Families (13)
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FR2715517B1 (fr) * | 1994-01-26 | 1996-03-22 | Merlin Gerin | Bloc déclencheur différentiel. |
CN1054231C (zh) * | 1994-11-08 | 2000-07-05 | 施内德电气工业公司 | 具有电缆通道的差动保护装置 |
DE29724317U1 (de) * | 1997-02-07 | 2000-09-21 | Siemens AG, 80333 München | Niederspannungs-Leistungsschalter mit wahlweise einbaubarem Meßwandler |
EP0903765B1 (en) * | 1997-09-19 | 2002-11-13 | Circuit Breaker Industries Limited | A circuit breaker |
FR2772979B1 (fr) * | 1997-12-18 | 2002-09-20 | Schneider Electric Sa | Dispositif de raccordement electrique d'un bloc differentiel sur un disjoncteur ou analogue et bloc differentiel equipe d'un tel dispositif |
US7598828B1 (en) * | 2004-07-28 | 2009-10-06 | Pass & Seymour, Inc. | Protection device with a sandwiched cantilever breaker mechanism |
US6603381B2 (en) | 2001-08-13 | 2003-08-05 | General Electric Company | Primary conductor for a transformer |
US6710587B1 (en) * | 2002-10-11 | 2004-03-23 | Solidone Usa Corporation | Low magnitude current sensor using unbalanced flux line detection |
FR2887634B1 (fr) * | 2005-06-24 | 2007-08-10 | Schneider Electric Ind Sas | Dispositif de mesure de courant differentiel, module de declenchement comportant un tel dispositif de mesure et dispositif de coupure ayant un tel module |
CN101989518B (zh) * | 2009-08-06 | 2014-05-14 | 浙江正泰电器股份有限公司 | 一种相线加中线式剩余电流动作断路器 |
WO2012169975A1 (en) * | 2011-06-06 | 2012-12-13 | Eti Elektroelement D.D. | Electromagnetic relay with improved yoke, in particular a relay for interruption of electric circuit in the case of diffferential current, and switch comprising such relay |
US10514419B2 (en) * | 2017-08-07 | 2019-12-24 | Schneider Electric USA, Inc. | Method of identifying a mechanical trip in an electronic miniature circuit breaker |
US10622800B2 (en) * | 2017-08-09 | 2020-04-14 | Schneider Electric USA, Inc. | Integrated arc fault and ground fault current sensing package |
-
2017
- 2017-07-25 FR FR1757064A patent/FR3069718B1/fr active Active
-
2018
- 2018-05-18 ES ES18173347T patent/ES2757828T3/es active Active
- 2018-05-18 EP EP18173347.8A patent/EP3435398B1/fr active Active
- 2018-06-22 JP JP2018119130A patent/JP7053386B2/ja active Active
- 2018-06-29 KR KR1020180076094A patent/KR102549653B1/ko active IP Right Grant
- 2018-07-18 US US16/038,213 patent/US11017971B2/en active Active
- 2018-07-24 CN CN201810820140.1A patent/CN109300749B/zh active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011034714A (ja) | 2009-07-30 | 2011-02-17 | Mitsubishi Electric Corp | 遮断器 |
Also Published As
Publication number | Publication date |
---|---|
FR3069718B1 (fr) | 2019-08-09 |
EP3435398B1 (fr) | 2019-10-09 |
KR102549653B1 (ko) | 2023-06-29 |
EP3435398A1 (fr) | 2019-01-30 |
CN109300749A (zh) | 2019-02-01 |
FR3069718A1 (fr) | 2019-02-01 |
JP2019033070A (ja) | 2019-02-28 |
US20190035590A1 (en) | 2019-01-31 |
ES2757828T3 (es) | 2020-04-30 |
US11017971B2 (en) | 2021-05-25 |
CN109300749B (zh) | 2022-05-24 |
KR20190011672A (ko) | 2019-02-07 |
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