JP7030214B2 - 電力相損失及び中性損傷の検知及び保護 - Google Patents
電力相損失及び中性損傷の検知及び保護 Download PDFInfo
- Publication number
- JP7030214B2 JP7030214B2 JP2020566217A JP2020566217A JP7030214B2 JP 7030214 B2 JP7030214 B2 JP 7030214B2 JP 2020566217 A JP2020566217 A JP 2020566217A JP 2020566217 A JP2020566217 A JP 2020566217A JP 7030214 B2 JP7030214 B2 JP 7030214B2
- Authority
- JP
- Japan
- Prior art keywords
- phase
- phases
- contactor
- protection circuit
- control voltage
- 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
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
- H02H5/10—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to mechanical injury, e.g. rupture of line, breakage of earth connection
- H02H5/105—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to mechanical injury, e.g. rupture of line, breakage of earth connection responsive to deterioration or interruption of earth connection
-
- 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
- G01R31/54—Testing for continuity
-
- 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
- H02H3/14—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 occurrence of voltage on parts normally at earth potential
-
- 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
- H02H3/24—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 undervoltage or no-voltage
- H02H3/253—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 undervoltage or no-voltage for multiphase applications, e.g. phase interruption
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Emergency Protection Circuit Devices (AREA)
- Inverter Devices (AREA)
Description
Claims (6)
- 三相電源の3つの相と中性線とをそれぞれ接続されるように構成された4つの入力端末を有する三相接触器に制御電圧を供給する保護回路であって、前記保護回路は、
前記制御電圧を前記三相接触器の制御ラインに供給する出力端末を備え、
前記三相の任意の一つ以上が通電している場合及び前記中性線が接続された場合に前記制御電圧を前記制御ラインに供給し、前記中性線がフローティング状態の場合に前記制御電圧を供給しないように構成され、
2つの互いに接続されたリレー、を備え、
各リレーは、2つのスイッチを含み、各リレー内のスイッチの一つは開かれ、もう一方のスイッチは閉じられるように制御され、
前記2つの接続されたリレーの出力は、前記三相の任意の一つが遮断された場合に、前記制御電圧として単相電圧を供給し、少なくとも1つのリレーは、2つの相に接続する、保護回路。 - 前記保護回路は、さらに、前記接触器と少なくとも一つのリレー間を接続する少なくとも一つのヒューズを含む、請求項1の保護回路。
- 前記保護回路は、さらに、残留電流装置を備え、前記残留電流装置(RCD)は、前記3つの相の内の一つが前記三相接触器にブリッジされるフィードバックループにおいて、前記三相接触器に接続されている、請求項1の保護回路。
- さらに、中性損失の指示を電力設備に送信する通信ユニットを備える、請求項1の保護回路。
- 三相電源の3つの相と中性線とそれぞれ接続されるように構成された4つの入力端末を有する三相接触器に制御電圧を供給する保護回路であって、前記保護回路は、
前記制御電圧を前記三相接触器の制御ラインに供給する出力端末を備え、
前記三相の任意の一つ以上が通電している場合及び前記中性線が接続された場合に前記制御電圧を前記制御ラインに供給し、前記中性線がフローティング状態の場合に前記制御電圧を供給しないように構成され、
前記三相の電圧平均を供給する加算回路、フィルター回路、参照電圧を提供する電源、及び前記参照電圧を前記電圧平均と比較する比較回路、を含む要素を備える、保護回路。 - 三相電源の3つの相と中性線とそれぞれ接続されるように構成された4つの入力端末を有する三相接触器に制御電圧を供給する保護回路であって、前記保護回路は、
前記制御電圧を前記三相接触器の制御ラインに供給する出力端末を備え、
前記三相の任意の一つ以上が通電している場合及び前記中性線が接続された場合に前記制御電圧を前記制御ラインに供給し、前記中性線がフローティング状態の場合に前記制御電圧を供給しないように構成され、
DC電力ユニット、切換ユニット、及び一つの相を前記接触器に供給するマイクロコントローラーを含み、前記切替ユニットは前記マイクロコントローラーによって制御され、前記DC電力ユニットは前記三相の入力を受け取り、前記マイクロコントローラーに信号Vcdを与える、保護回路。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201862735362P | 2018-09-24 | 2018-09-24 | |
US62/735,362 | 2018-09-24 | ||
PCT/IL2019/051052 WO2020065646A1 (en) | 2018-09-24 | 2019-09-24 | Detection and protection of power phase loss and neutral failure |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2021516033A JP2021516033A (ja) | 2021-06-24 |
JP7030214B2 true JP7030214B2 (ja) | 2022-03-04 |
Family
ID=66677071
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020566217A Active JP7030214B2 (ja) | 2018-09-24 | 2019-09-24 | 電力相損失及び中性損傷の検知及び保護 |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP3627644A3 (ja) |
JP (1) | JP7030214B2 (ja) |
IL (1) | IL278253B (ja) |
WO (1) | WO2020065646A1 (ja) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005216829A (ja) | 2004-02-02 | 2005-08-11 | Kawamura Electric Inc | 三相4線式漏電遮断器 |
CN101202467A (zh) | 2007-07-23 | 2008-06-18 | 刘岩 | 低压控制回路供电电源切换装置 |
DE102007025673A1 (de) | 2007-06-01 | 2008-12-04 | Abb Ag | Leitungsschutzeinrichtung für ein Leitungsnetz |
WO2017029654A1 (en) | 2015-08-16 | 2017-02-23 | Tamir Oren | Phase compensation system |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4060843A (en) * | 1974-10-21 | 1977-11-29 | Bost Charles H | Protection circuit for multiple phase power systems |
FR2842663B1 (fr) * | 2002-07-18 | 2004-09-10 | Schneider Electric Ind Sa | Dispositif de surveillance de rupture de neutre et de terre, et appareil de coupure electrique comportant un tel dispositif |
US7317264B2 (en) * | 2003-11-25 | 2008-01-08 | Eaton Corporation | Method and apparatus to independently control contactors in a multiple contactor configuration |
EP2183025B1 (en) * | 2007-08-20 | 2017-07-05 | Cervel Neurotech, Inc. | Firing patterns for deep brain transcranial magnetic stimulation |
US20180041023A1 (en) * | 2016-08-05 | 2018-02-08 | Jesus Juvenal Farfan | Electrical safety control device |
-
2019
- 2019-05-30 EP EP19177530.3A patent/EP3627644A3/en active Pending
- 2019-09-24 WO PCT/IL2019/051052 patent/WO2020065646A1/en active Application Filing
- 2019-09-24 JP JP2020566217A patent/JP7030214B2/ja active Active
-
2020
- 2020-10-22 IL IL278253A patent/IL278253B/en unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005216829A (ja) | 2004-02-02 | 2005-08-11 | Kawamura Electric Inc | 三相4線式漏電遮断器 |
DE102007025673A1 (de) | 2007-06-01 | 2008-12-04 | Abb Ag | Leitungsschutzeinrichtung für ein Leitungsnetz |
CN101202467A (zh) | 2007-07-23 | 2008-06-18 | 刘岩 | 低压控制回路供电电源切换装置 |
WO2017029654A1 (en) | 2015-08-16 | 2017-02-23 | Tamir Oren | Phase compensation system |
Also Published As
Publication number | Publication date |
---|---|
IL278253B (en) | 2021-07-29 |
EP3627644A3 (en) | 2020-04-22 |
JP2021516033A (ja) | 2021-06-24 |
EP3627644A2 (en) | 2020-03-25 |
WO2020065646A1 (en) | 2020-04-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US9991079B2 (en) | Circuit breaker for an electrical circuit | |
KR20120091141A (ko) | 다상 접지-결함 회로-차단기들을 위한 시스템 및 방법 | |
MXPA04003328A (es) | Revelador de proteccion capaz de aplicaciones de proteccion sin posicionamiento de proteccion. | |
Ibrahim et al. | Adaptive protection coordination scheme for distribution network with distributed generation using ABC | |
WO2005086310A1 (en) | Automatic reset device particularly for residual current-operated circuit breakers and the like | |
KR20130044247A (ko) | 전력계통의 결상 시 결상복구장치 및 그 복구방법 | |
JP2010016990A (ja) | 電力供給システム及びその制御方法 | |
JP7030214B2 (ja) | 電力相損失及び中性損傷の検知及び保護 | |
CN105259497A (zh) | 一种断路器电弧故障断路系统及方法 | |
CN112202156A (zh) | 配电网消弧方法、装置和配电网控制设备 | |
WO2004008600A3 (en) | Electrical network protection system | |
JP2007325380A (ja) | 電力系統保護システム | |
JP2007305491A (ja) | 位相制御開閉装置 | |
JP2011188589A (ja) | 可搬型地絡保護装置 | |
JP2001258145A (ja) | 保護継電システム | |
CN210468886U (zh) | 一种供电电路 | |
US10511160B1 (en) | Detection and protection of power phase loss and neutral failure | |
CN108469570B (zh) | 一种基于逆变器的电网故障处理方法及系统 | |
Ristanovic et al. | Design and implementation of scenarios for evaluating and testing distance relays | |
CN109782162A (zh) | 一种调相机断口断路器闪络故障动态模拟系统及方法 | |
US20230144210A1 (en) | Basic input/output system (bios) boot check | |
CN109038479B (zh) | 过压保护装置 | |
JP4836663B2 (ja) | ループ系統保護装置と方法 | |
JP5354619B2 (ja) | 回路遮断器の動作基準電流値設定コントローラ | |
KR20170111212A (ko) | 계전기 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20201201 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20201201 |
|
A871 | Explanation of circumstances concerning accelerated examination |
Free format text: JAPANESE INTERMEDIATE CODE: A871 Effective date: 20201201 |
|
A975 | Report on accelerated examination |
Free format text: JAPANESE INTERMEDIATE CODE: A971005 Effective date: 20210420 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20210511 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20210811 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20211005 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20220104 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20220125 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20220221 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 7030214 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |