WO2014095918A1 - Sicherungsautomat mit hilfskurzschluss - Google Patents
Sicherungsautomat mit hilfskurzschluss Download PDFInfo
- Publication number
- WO2014095918A1 WO2014095918A1 PCT/EP2013/076971 EP2013076971W WO2014095918A1 WO 2014095918 A1 WO2014095918 A1 WO 2014095918A1 EP 2013076971 W EP2013076971 W EP 2013076971W WO 2014095918 A1 WO2014095918 A1 WO 2014095918A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- circuit breaker
- current
- automatic circuit
- monitoring
- designed
- Prior art date
Links
- 238000012806 monitoring device Methods 0.000 claims abstract description 29
- 238000012544 monitoring process Methods 0.000 claims abstract description 11
- 230000008878 coupling Effects 0.000 claims description 37
- 238000010168 coupling process Methods 0.000 claims description 37
- 238000005859 coupling reaction Methods 0.000 claims description 37
- 239000002184 metal Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 5
- 230000006378 damage Effects 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000008033 biological extinction Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000009993 protective function Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- 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
- H01H71/40—Combined electrothermal and electromagnetic mechanisms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H89/00—Combinations of two or more different basic types of electric switches, relays, selectors and emergency protective devices, not covered by any single one of the other main groups of this subclass
- H01H89/04—Combination of a thermally actuated switch with a manually operated switch
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
-
- 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
- H01H71/14—Electrothermal mechanisms
- H01H71/16—Electrothermal mechanisms with bimetal element
-
- 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
- H01H71/1009—Interconnected mechanisms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H89/00—Combinations of two or more different basic types of electric switches, relays, selectors and emergency protective devices, not covered by any single one of the other main groups of this subclass
Definitions
- the present invention relates to a
- Circuit breaker for protecting a phase with an input terminal, an output terminal, a current path electrically connecting the input terminal and the output terminal, a separation device incorporated in the
- Rung is arranged and designed to interrupt this in one operation, and a
- Monitoring device that is designed to monitor the current in the current path and upon detection of a
- the invention relates to a fuse arrangement with a plurality of above-mentioned circuit breaker for the
- Such safety devices can as circuit breakers or as
- Such a circuit breaker is connected to its input terminal to a power source. Its output terminal is connected to the load, with the input terminal and the output terminal connected via a current path. In the current path, a separator is arranged, the
- the separator is usually designed as a switch, more precisely as an opener.
- the monitoring device that monitors the current in the current path. When detecting an overcurrent by the monitoring device is the
- the separator can be additionally operated manually to cancel or bring the interruption.
- circuit breakers are usually carried out with extinguishing chambers, in which the arc
- the arc is divided by quenching plates and interrupted.
- Switch-off time to extinction of the arc is in known circuit breakers at least 4 ms. During this time, however, damage or even destruction of the load connected to the output terminal of the circuit breaker can occur. In multi-phase supply systems, each phase is protected with such a circuit breaker.
- Switching devices oversized which is associated with increased costs and can lead to additional losses. This leads to a design conflict in applications with high peak currents, such as may occur when starting up motors. Also, each individual dimensioning of the system is required.
- the invention is therefore the object of a
- Input terminal and the output terminal electrically conductively connects, a disconnecting device, which is arranged in the current path and designed to interrupt this on actuation, a discharge terminal, a discharge path, which at one end to the current path between the
- each phase is secured with a circuit breaker and the circuit breakers are coupled together.
- the basic idea of the present invention is thus to provide a circuit breaker which ensures reliable protection of downstream loads from overcurrents by the connection of continuous current and short-circuit current, and whose protective effect occurs particularly rapidly by currents during the switching of the separator by occurring arcs on the discharge terminal be derived.
- the circuit breaker thus has two
- the currents during the switching of the separating device can flow off after switching the connecting device via the discharge terminal, so that the protective function of the circuit breaker already occurs very quickly. Depending on the switching times of the connection device times can be in the
- the monitoring device for the monitoring device for the monitoring device.
- Connecting device executed. Particularly preferred is a simultaneous actuation of the separating device and the connecting device by the
- the circuit breaker is with its input terminal with a power supply and at its output terminal with a load, which is an electrical switching device
- the discharge terminal is
- the separating device is preferably designed as an opener for interrupting the current path.
- Connecting device is usually designed as a closer for connecting through the Ableitpfades.
- the Ableitklemmen are preferably with a ground or a PE conductor
- the discharge terminal can be connected to a different phase or a synthetic star point.
- Monitoring device a bi-metal switch for
- Monitoring device a magnetic switch for
- Short-circuit current monitoring has. Accordingly, a magnetic quick release as short-circuit protection for fast processes, ie fast peak currents, respectively.
- the sensitivity of the short-circuit protection can be achieved by the property of the magnetic material.
- the time course of the magnetic field corresponds to a hysteresis curve.
- a magnetic field is generated by the overcurrent, so that with the aid of a relay coil and armature actuation can take place.
- Automatic circuit breaker has a coupling device with which the separating device and the connecting device are coupled for common operation, and the
- the coupling device can in principle be designed as desired.
- the coupling device may be an electrical or electronic coupling device.
- the coupling device is a
- the actuation of the coupling device is effected by a relay.
- Automatic circuit breaker has an actuating element which is actuated by the monitoring device during an actuation, so that the actuation is recognizable from the outside.
- the actuating element with the
- the circuit breaker can be manually operated to disconnect a downstream load from the power supply.
- the circuit breaker can be manually operated to disconnect a downstream load from the power supply.
- Transferring automatic circuit breakers The mechanical coupling is particularly reliable and easy to manufacture.
- Automatic circuit breakers are mechanically coupled to each other via a coupling element.
- the mechanical coupling is particularly reliable and allows easy
- Coupling element formed as a separate component for attachment to the actuators. This can be the
- Coupling the circuit breakers are flexible.
- available circuit breakers can readily be coupled together, so that at any time a fuse arrangement can be formed.
- a fuse arrangement can be formed.
- Coupling element a manual actuator for manual
- the fuse arrangement can also be operated manually according to the operation of the circuit breaker to the load of the power supply for all phases
- the manual actuator for manual operation is carried out both for the common separation of the current paths of the individual circuit breakers as well as for interconnecting the current paths, according to the function of the actuating element of the circuit breaker.
- the hand actuator such as
- Safety arrangement designed as an integral device.
- FIG. 1 is a circuit diagram with a fuse arrangement, which is arranged between a multi-phase power supply and a multi-phase load,
- Fig. 2 is a detail view of the circuit diagram of Fig. 1, in which only a circuit breaker of
- FIG. 3 is a detail view of the circuit diagram of Fig. 2, in which the circuit breaker shown in Fig. 2 is shown in detail
- Fig. 4 is a diagram of a load current waveform at
- FIG. 5 is a diagram of a load current waveform at
- FIG. 6 is a diagram showing the current waveforms in the current path, the discharge path and the output terminal of the circuit breaker.
- FIGS 1 to 3 show an inventive
- Safety arrangement 1 with a plurality
- the fuse arrangement 1 is connected on the input side to a polyphase power supply 3 or supply line, each phase 4, 5, 6 being secured by a circuit breaker 2.
- Each automatic circuit breaker 2 is designed to protect a phase 4, 5, 6 and has an input terminal 7, an output terminal 8 and a discharge terminal 9.
- Automatic circuit breakers 2 are with their input terminal 7 each with a phase 4, 5, 6 and with their
- the load 10 is a multi-phase load, which is exemplified here by an electronic switching device.
- Discharge terminals 9 are each connected to a ground 11.
- the input terminal 7 and the output terminal 8 are electrically connected via a current path 12.
- the current path 12 are a
- the separator 13 is an opener
- the monitoring device 14 is
- the circuit breaker 2 also has a discharge path 15 which is connected at its one end to the current path 12 between the separator 13 and the output terminal 8 and at its other end to the discharge terminal 9.
- a connecting device 16 is arranged, which is designed to connect through the discharge path 15 in an actuation. Accordingly, the
- Connecting device 16 designed as normally open.
- the separating device 13 and the connecting device 16 are coupled to a common operation with a coupling device 17.
- Embodiment is a mechanical coupling device 17. With the coupling device 17, an actuating element is connected, which upon actuation of the
- Coupling device 17 is also actuated, so that the operation from the outside, i. from outside the
- Coupling device 17 and thus separating device 13 and the connecting device 16 are executed.
- the monitoring device 14 is executed at
- the monitoring device 14 has a bimetal switch 19 for continuous current monitoring in order to detect an excessive line current as an overcurrent.
- the monitoring device 14 has a
- Magnetic switch 20 with a magnetic quick release as short-circuit protection for fast operations to monitor a short-circuit current as overcurrent.
- Magnetic switch 20 is generated by the overcurrent of a magnetic field, so that with the aid of a relay coil and armature actuation of the coupling device 17 is carried out.
- Figures 4 and 5 show schematically the breakdown of the current I k through the output terminal 8 for a
- Embodiment The current is in the conventional circuit breaker only after about 4 ms to one
- FIG. 6 shows the operation of the circuit breaker 2 in detail.
- the automatic circuit breakers 2 are mechanically coupled to one another via a coupling element 21. Due to the mechanical coupling, the
- Automatic circuit breakers 2 mutually transmit an operation by their respective monitoring device 14 to the other circuit breakers 2.
- the coupling element 21 in this embodiment is designed as a separate component, which is connected in a manner not shown here in detail with the actuators of the three circuit breakers 2.
- the coupling element 21 is provided with a
- Manual actuator 22 for manual operation of the coupled circuit breakers 2 executed.
- the hand actuator 22 is designed for manual actuation both for the common disconnection and interconnection of the current paths 12, wherein the manual operation is recognizable from the outside via the hand actuator 22.
- Embodiment is the fuse arrangement 1 as
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13814880.4A EP2932521B1 (de) | 2012-12-17 | 2013-12-17 | Sicherungsautomat mit hilfskurzschluss |
US14/652,722 US20150348734A1 (en) | 2012-12-17 | 2013-12-17 | Automatic circuit breaker with auxiliary short circuit |
RU2015128479A RU2015128479A (ru) | 2012-12-17 | 2013-12-17 | Автоматический выключатель с дополнительным короткозамкнутым контуром |
CN201380066141.7A CN104871281B (zh) | 2012-12-17 | 2013-12-17 | 具有辅助短路的自动断路器 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102012112435.3 | 2012-12-17 | ||
DE102012112435.3A DE102012112435B4 (de) | 2012-12-17 | 2012-12-17 | Sicherungsautomat mit Hilfskurzschluss und Sicherungsanordnung mit einer Mehrzahl solcher Sicherungsautomaten |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2014095918A1 true WO2014095918A1 (de) | 2014-06-26 |
Family
ID=49886894
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2013/076971 WO2014095918A1 (de) | 2012-12-17 | 2013-12-17 | Sicherungsautomat mit hilfskurzschluss |
Country Status (7)
Country | Link |
---|---|
US (1) | US20150348734A1 (de) |
EP (1) | EP2932521B1 (de) |
KR (1) | KR20150084048A (de) |
CN (1) | CN104871281B (de) |
DE (1) | DE102012112435B4 (de) |
RU (1) | RU2015128479A (de) |
WO (1) | WO2014095918A1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016156131A2 (de) * | 2015-03-31 | 2016-10-06 | Eaton Industries (Austria) Gmbh | Schaltschrankanordnung mit verbesserter ausschaltung bei überlast |
CN105762036B (zh) * | 2016-03-29 | 2017-10-20 | 东南大学 | 一种基于涡流自触发的模块化多电平换流器直流侧断路器 |
CN105823984B (zh) * | 2016-05-16 | 2018-09-14 | 山东省产品质量检验研究院 | 一种隔离开关短路接通试验辅助装置及应用 |
EP3498471B1 (de) | 2017-12-18 | 2020-10-07 | ABB Power Grids Switzerland AG | Verfahren zur konsolidierung eines gewundenen körpers |
BE1026445B1 (de) * | 2018-07-05 | 2020-02-04 | Phoenix Contact Gmbh & Co | Geräteschutzschalter mit intelligenter Grenzwertermittlung |
US11398361B2 (en) * | 2019-09-30 | 2022-07-26 | Rockwell Automation Technologies, Inc. | Systems and methods for automatically configuring point-on-wave settings in a relay device |
CN112133610B (zh) * | 2020-09-16 | 2023-01-31 | 华翔翔能科技股份有限公司 | 一种具有可视化功能的智能断路器 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0550927A1 (de) * | 1991-12-10 | 1993-07-14 | Holec Systemen En Componenten B.V. | Selektiver automatischer Sicherheitsschalter |
WO2010099903A1 (de) * | 2009-03-04 | 2010-09-10 | Jozef Smrkolj | Mehrpoliger elektrischer selbstschalter |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2610951C3 (de) * | 1976-03-16 | 1980-09-18 | Brown, Boveri & Cie Ag, 6800 Mannheim | Schutzschalter |
US4110719A (en) * | 1977-04-11 | 1978-08-29 | Mechanical Products | Three phase circuit breaker |
US4184186A (en) * | 1977-09-06 | 1980-01-15 | General Electric Company | Current limiting device for an electric power system |
DE2944619C2 (de) * | 1979-11-05 | 1984-03-29 | Brown, Boveri & Cie Ag, 6800 Mannheim | Selbstschalter |
DE2945683A1 (de) * | 1979-11-13 | 1981-05-21 | Brown, Boveri & Cie Ag, 6800 Mannheim | Leitungsschalter |
ATE50096T1 (de) * | 1984-08-27 | 1990-02-15 | Siemens Ag | Elektrische installationsanlage mit ueberspannungsschutz. |
AT410867B (de) * | 2001-04-06 | 2003-08-25 | Siemens Ag Oesterreich | Spannungsversorgung mit abschaltsicherung |
DE102010048188B4 (de) * | 2010-10-13 | 2020-11-12 | Phoenix Contact Gmbh & Co. Kg | Akkumulator-Kontrollvorrichtung, sowie Verfahren und System zur elektrischen Hilfsversorgung |
-
2012
- 2012-12-17 DE DE102012112435.3A patent/DE102012112435B4/de active Active
-
2013
- 2013-12-17 KR KR1020157015454A patent/KR20150084048A/ko not_active Ceased
- 2013-12-17 EP EP13814880.4A patent/EP2932521B1/de active Active
- 2013-12-17 US US14/652,722 patent/US20150348734A1/en not_active Abandoned
- 2013-12-17 CN CN201380066141.7A patent/CN104871281B/zh active Active
- 2013-12-17 WO PCT/EP2013/076971 patent/WO2014095918A1/de active Application Filing
- 2013-12-17 RU RU2015128479A patent/RU2015128479A/ru not_active Application Discontinuation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0550927A1 (de) * | 1991-12-10 | 1993-07-14 | Holec Systemen En Componenten B.V. | Selektiver automatischer Sicherheitsschalter |
WO2010099903A1 (de) * | 2009-03-04 | 2010-09-10 | Jozef Smrkolj | Mehrpoliger elektrischer selbstschalter |
Also Published As
Publication number | Publication date |
---|---|
DE102012112435A1 (de) | 2014-06-18 |
US20150348734A1 (en) | 2015-12-03 |
DE102012112435B4 (de) | 2015-12-10 |
EP2932521A1 (de) | 2015-10-21 |
KR20150084048A (ko) | 2015-07-21 |
EP2932521B1 (de) | 2017-09-27 |
CN104871281A (zh) | 2015-08-26 |
CN104871281B (zh) | 2018-06-01 |
RU2015128479A (ru) | 2017-01-18 |
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