CN110506376A - Electrical switching apparatus - Google Patents
Electrical switching apparatus Download PDFInfo
- Publication number
- CN110506376A CN110506376A CN201880021523.0A CN201880021523A CN110506376A CN 110506376 A CN110506376 A CN 110506376A CN 201880021523 A CN201880021523 A CN 201880021523A CN 110506376 A CN110506376 A CN 110506376A
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- CN
- China
- Prior art keywords
- control device
- data
- interface
- semiconductor switch
- switching apparatus
- 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.)
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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
-
- 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
- H02H3/006—Calibration or setting of parameters
-
- 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
- H02H3/021—Details concerning the disconnection itself, e.g. at a particular instant, particularly at zero value of current, disconnection in a predetermined order
- H02H3/023—Details concerning the disconnection itself, e.g. at a particular instant, particularly at zero value of current, disconnection in a predetermined order by short-circuiting
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/20—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for electronic equipment
- H02H7/205—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for electronic equipment for controlled semi-conductors which are not included in a specific circuit arrangement
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/001—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection limiting speed of change of electric quantities, e.g. soft switching on or off
- H02H9/002—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection limiting speed of change of electric quantities, e.g. soft switching on or off limiting inrush current on switching on of inductive loads subjected to remanence, e.g. transformers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/0061—Details of emergency protective circuit arrangements concerning transmission of signals
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
- Electronic Switches (AREA)
Abstract
A kind of electrical switching apparatus (1) comprising: at least one is arranged in the semiconductor switch (2,3) in circuit (4,5)；Electrical measurement (7,8,9,24)；To the control device (6) analyzed by the measured value of the measuring device (7,8,9,24) to determine, the control device is configured to manipulate the semiconductor switch (2,3), wherein the control device (6) causes the manipulation automatically determined to the semiconductor switch (2,3) when detecting determining measured value, wherein the condition for manipulating the semiconductor switch (2,3) can be transmitted to the control device (6) via data-interface (10) by means of start-up course.
Description
Technical field
The present invention relates to a kind of electrical switching apparatus.
Background technique
Protective device is set in electric equipment, the protective device to device, such as conducting wire or customer protected to prevent
Service condition be impermissible for and dangerous.For example, protected using wire-protecting switch conducting wire to prevent short circuit current or continue compared with
Prolonged overcurrent.Carry out protection staff by means of fault current switch to prevent dangerous due to caused by defective electric installation
Contact voltage, wherein flowing through the electric current of personnel when value is very small with regard to being identified and having cut off.Motor is come
It says, usually use motor protecting switch, the motor protecting switch causes to cut off in a phase failure of three-phase alternating current system,
Because motor itself is also remained in operation after its starting with remaining phase, but can thermal overload.However, it is being previously mentioned and its
Its protective device is not suitable for meeting operation, frequently switching, so that being also disposed in series switching with these protective devices
Device, for example solenoid-operated relay.Although these switching devices are designed in relation to many switch cycles of number, not
Short circuit current can be cut off.Therefore, at least one protective device is set for each circuit and is also provided with when necessary and is cut
Changing device.In the circuit for socket, it is usually not provided with switching device, and is actually always set in the circuit for motor
Set switching device.The manipulation of protection and switching system can manually or with being remotely controlled soil fertility manipulation be realized.Especially
In the car, for example in rail vehicle, the space requirement to electric protection and switching system is now due to vehicular electrical equipment
The requirement of continuous improvement but it is sizable, make it desirable to for switchgear to be transferred to the region that can only difficulty touch.By
This, can be such that operation becomes difficult, so that the operation is actually only possible to more to carry out in workshop.But it is common remote-controlled
Protection and switching device have disadvantage, such as space requirement big, these disadvantages make these common remote-controlled protections and switching
Device is not suitable for using in the car.
Summary of the invention
Thus, the task that the present invention is based on is: illustrating a kind of electrical switching apparatus, which can be realized distant
The switching action of control and it can be realized defencive function to the electric installation being connected on the electrical switching apparatus.
The task is solved by the electrical switching apparatus of the feature with claim 1.Advantageous design scheme is subordinate
Claimed subject matter.
Basic thought according to the present invention describes a kind of electrical switching apparatus comprising: at least one arrangement is in circuit
Semiconductor switch；Electrical measurement；To the control device that the measured value determined by measuring device is analyzed, the control
Device is configured to manipulation semiconductor switch, and wherein the control device causes to open semiconductor when detecting determining measured value
The manipulation automatically determined closed, and can wherein be connect by means of start-up course via data for manipulating the condition of semiconductor switch
Mouth is transmitted to the control device.
Thus it is able to achieve following advantage: a kind of electrical switching apparatus can be provided, which not only can be implemented behaviour
Switching action on work and protection to the electric installation being connected on the electrical switching apparatus is provided, and the electrical switching
Setting herein has small structure space demand and can be remotely controlled.
According to the present invention, switching device is established by means of following semiconductor switch, the semiconductor switch can be without mill
Work to damage and high current can also be turned on and off herein.It is suitable like that this switching device is similar to electromechanic contactor
Together in the switching for meeting operation, but it is not frayed herein.Additionally, switching device according to the invention include control device and
For detecting electric parameter, the measuring device of the electric current in particular for currently flowing through the switching device and current voltage.Here,
Measuring device for current strength can be based on different measuring principles.Current converter can be used or by resistance
Voltage drop in (shunting) determines current strength.Here, very smart by the current measurement carried out in ohmically voltage drop
Postpone really and not, but constantly generates heat loss.If you do not need to this high-precision, for example, if current value only by with
In protection purpose, then semiconductor switch itself is used as current sensor.Here, by means of so-called VCE(sat) monitoring
Or the monitoring to conducting voltage VDS(on), it realizes and determines current strength in the case where no additional measurement resistance.In this way
Determining measurement parameters are transmitted to the control device, so that the control device can for example determine cutting standard accordingly.This
A little cutting standards are related to electric value, such as excessively high electric current due to caused by switching device, make it possible to imitate fuse or electromagnetism
The function of high-safety automatic switch.Here, the function carrys out mould by means of control logic circuit or the process control in control device
It is imitative, the trigger characteristic curve of such as Electromgnetic seat automatic switch is electronically imitated.
According to the present invention, switching device can be equipped with determining switching or defencive function in the frame of start-up course,
In via data-interface by it is corresponding configuration be transferred in the memory of control logic circuit.Therefore, it is possible to use itself is tied
The identical switching device for being respectively provided with different functions of structure opens because passing through to specific functional regulation of switching device
Dynamic process is just determined.
Thus, it is possible to the switching device with different switchings or protection feature be realized, wherein partly leading used in only
The limiting value of body switch provides constraints.
For example, all common electric protection functions may be implemented in switching device according to the invention.Especially may be implemented as
Lower functionality:
Quick cutting in short circuit,
Cutting in sustained overload,
The change procedure of load current being impermissible for (also in circuit in the case where being no more than allowed maximum current
Identify electric arc) when cutting,
Fault-current protection,
Protection to prevent over-voltage or under-voltage,
Cutting (electric motor protecting) in single phase failure,
Wherein all trigger characteristic curves can be realized.
Another advantage of switching device according to the invention is: all common electric handoff functionalities can be realized.Especially
Following functionality may be implemented:
It is without abrasion it is operational turn on and off,
(such as motor or electric light) soft start,
Connection to bulky capacitor,
Some of them parameter (such as acceleration time, current limit) can adjust.Here, during startup by by configuration data
Control device is sent to adjust these parameters or these configuration datas and can be stored in the control in a manner of unalterable
In device.
According to the present invention, the switching device is equipped with data-interface, so that by the interface, in addition to coming for start-up course
Except data transmission needed for saying is to control device, also can by data from control device send to connected data receiver,
Such as higher level's diagnostic system.Here, it is advisable that: transmit current measured value, the electric current work for example through switching device
For data value.
In another expansion scheme of the invention, value, such as electrical power or the electricity work derived from these measured values
(energy) can be determined by control device and be transmitted to connected data receiver via data-interface.
It is particularly advantageous: the current switching state of semiconductor switch is transferred to by data-interface by control device,
Because thus higher level's control device, such as higher level's diagnostic system, controller of vehicle or similar device can detecte electricity and set
Standby current state and the state is presented to operator in suitable form when necessary.
In another expansion scheme of the invention, it is advisable that: export via data-interface to electrical measurement
The limiting value of parameter approaches, as alarm.For example, if detecting fault current, but the value of the fault current is never
Reach the limiting value for leading to cutting, then can alarm.
Preferred embodiment regulation of the invention: it exports to already lead to automatically switching via data-interface and move
The trigger condition of work.In this way, higher level's control device can for example be further processed corresponding triggering reason (such as short circuit) and
Make with clearly defined objective to maintain or repair simplification.Another advantage is: under certain conditions, the case where no exclusion triggers failure
Under, it should not reclose immediately.For example, to the weight of the circuit of motor after being triggered due to caused by short circuit or fault current
New connection (manually or automatically) is unfavorable.Preferred embodiment regulation of the invention: the control device is in semiconductor
It is automatically reclosed after the cutting-off process of switch automatically determined.For this purpose, in the start-up course of switching device,
In those of allow automatically to reclose condition and should be transmitted via data-interface.
In another expansion scheme of the invention, it is advisable that: at least one is arranged in circuit can electro-mechanical manipulation
Switch element, which can be manipulated by control device.In this way, the customer looked after by switching device can be with energy
Amount feeding mechanism is galvanically isolated, so that it is possible for non-dangerously carrying out work on the circuit.Here, being looked after by switching device
Customer can be galvanically isolated in the case where failure (such as ground connection) with energy supply device.The switching action can pass through
Parameter in control device configures so that not only automatism isolation (in the presence of certain conditions) and also be isolated manually be all can
Can.For this purpose, should be transmitted via data-interface in the start-up course of switching device for the condition of automatism isolation.Manually
Isolation can be caused by higher level's control device via data-interface.
In another expansion scheme of the invention, it is advisable that: at least one is set on the component of switching device
Temperature-detecting device, the temperature-detecting device can be analyzed by control device.In this way, can when there is the temperature value being impermissible for
To implement automatic switching action and can be via data-interface by the information for the switching action being triggered in this way in relation to these
(such as temperature numerical value, in the current power of switching time point) send connected data receiver to.
Switching device according to the invention can with all common numbers of poles come using and also be used not only for alternating voltage
Equipment and it is used for DC voltage equipment.Also it is advisable that: to the switching device be equipped with operating element, by means of these
Operating element directly manually can also execute switching action in the switching device.Equally, the switching device itself can match
Standby display device, display device display switching device directly in switching device state (such as supply voltage enclose/not
Enclose, semiconductor switch closure/disconnection, etc.) and therefore simplify maintenance or trouble shoot.
Detailed description of the invention
Wherein:
Fig. 1 schematically illustrates switching device, block diagram；
Fig. 2 schematically illustrates control device, block diagram.
Specific embodiment
Fig. 1 illustratively and schematically shows the block diagram of switching device.The block diagram of switching device 1 is shown, it should
Switching device two polar region is implemented.It is this configuration in vehicle it is following switching or protective device for be typically, it is described
Switching or protective device not only switch and protect feed line but also switch and protect loop line or phase and zero curve.For this purpose, in the first electricity
Semiconductor switch 2 is set in road 4 and another semiconductor switch 3 is set in second circuit 5.The electric current for flowing through the first circuit 4 is borrowed
Help current measuring device 7 to determine, the electric current for flowing through second circuit 5 is determined by means of current measuring device 8.First circuit
Voltage between 4 and second circuit 5 is determined by means of voltage measuring apparatus 9.Output voltage measuring device 24 is configured for
It determines the voltage being attached on the output end of circuit 4,5 and sends the value of the voltage to control device 6.Temperature measuring device 25
It detects the temperature of switching device 1 or the determination in switching device 1 component and sends the value of the temperature to control dress
Set 6.Control device 6 is configured for receiving the measuring signal of measuring device 7,8,9,24,25 and having partly leading for manipulating
The control output end of body switch 2,3.Control device 6 for example may be embodied as storage programmable controller or be embodied as with journey
The microcontroller of sequence memory and data storage.The switching device further include energy supply device 12 used to control the device simultaneously
It and include certainly binding post 11 for the electrical connection of circuit 4,5.Data-interface 10 is designed to two-way with control device 6
Data transmission, and can will send control device to and will be by controlling from the control signal that outside is conveyed to switching device 1
The signal that device 6 processed generates sends other devices to.The electromechanical isolating switch 13 at the two poles of the earth is arranged in circuit 4,5, the two poles of the earth
Electromechanical isolating switch is manipulated by control device 6 and herein feeds back to the switching state of the electromechanical isolating switch at the two poles of the earth
Control device 6.Illustratively switching device shown in FIG. 1 is because can determine the electric current and voltage in two circuits 4,5
And can satisfy multiple functions, especially:
ON/OFF without abrasion
(such as motor or electric light) soft start
Connection to bulky capacitor
Load is galvanically isolated
Overcurrent protection
Short-circuit protection
Over-voltage/under-voltage protection
Fault-current protection
Arc protection.
In the embodiment at the two poles of the earth, the function of phase failure protection (motor protecting switch) is certainly impossible, and in three poles
Embodiment in can particularly simple realize.In the frame of start-up course, occurrence, such as trigger characteristic curve, triggering
Value and functionality itself can be transmitted to control device 6 via data-interface 10, so that a type of switching device 1 can
To execute respectively different task.
Fig. 2 illustratively and schematically shows the block diagram of control device.The block diagram of control device 6 is shown, such as
As it can come into operation in the switching device 1 in Fig. 1.Control device 6 includes: digital computing unit 14, the digital meter
Unit is calculated to be configured for executing instruction sequence；With memory 15, and for these instruction sequences and for fixed value can be changed
Value.Computing unit 6 further includes the analogue-to-digital converters 16 for the measured value 19 of measuring device 7,8,9,24,25.Pass through mould
The digital value that quasi--digital quantizer 16 determines can be read by computing unit 14.Driving circuit 17 can pass through computing unit 14
To manipulate, and these signals are transmitted to half be connected on the driving circuit in the form of being suitable for these following components
Conductor switch 2,3 and disconnecting switch 13.Equally, the feedback of disconnecting switch 13 and suitably is identified by computing unit 14
Prepare the signal for further processing.Here, the electricity between semiconductor switch 2,3 and control device 6 additionally can be set
Position isolation, such as be arranged between semiconductor switch 2,3 and control device 6 by means of photoelectrical coupler or sensor transformer
Potential isolation.In order to which two-way data are transmitted, communication interface 18 is equipped with computing unit 14 and by the data of computing unit 14
Character is converted into that data protocol (such as TCP/IP) transmitted via data-interface 10.In the frame of start-up course,
It is not shown in Fig. 2 via data-interface 10() it will define the configuration of those of the corresponding desired function of switching device 1
Data are transferred to computing unit 14, and wherein computing unit 14 is herein by parametric data 23(such as trigger current, characteristic curve and class
As parametric data) and describe the configuration data of function (protective switch, soft start etc.) of switching device and be stored in
In memory 15.In addition, switching command is transferred to switching device 1 via communication interface 18, and by value, for example connected
The current electric power value of customer is exported to external monitoring device.Other components are not shown in Fig. 2, such as to for showing
The state of switching device 1 or control device for detecting the display device being manually entered.
Reference signs list
1 electrical switching apparatus
The semiconductor switch of 2 first circuits
The semiconductor switch of 3 second circuits
4 first circuits
5 second circuits
6 control devices
The current measuring device of 7 first circuits
The current measuring device of 8 second circuits
9 voltage measuring apparatus
10 data-interfaces
11 binding posts
12 energy supply devices
13 disconnecting switch
14 computing units
15 memories
16 analogue-to-digital converters
17 driving circuits
18 communication interfaces
19 measured values
20 control signals
21 data
22 switching commands
23 parametric datas
24 output voltage measuring devices
25 temperature measuring devices.
Claims (8)
1. a kind of electrical switching apparatus (1) comprising: at least one is arranged in the semiconductor switch (2,3) in circuit (4,5)；Electricity
Measuring device (7,8,9,24)；To the control dress analyzed by the measured value of the measuring device (7,8,9,24) to determine
It sets (6), the control device is configured to manipulate the semiconductor switch (2,3), wherein the control device (6) is detecting
Cause the manipulation automatically determined to the semiconductor switch (2,3) when determining measured value,
It is characterized in that, the condition for manipulating the semiconductor switch (2,3) can be by means of start-up course via data-interface
(10) control device (6) are transmitted to, and wherein the data-interface (10) is configured for receiving for described half
Conductor switchs the switching command of (2,3).
2. electrical switching apparatus (1) according to claim 1, which is characterized in that the control device (6) be configured for by
The corresponding current switching state of the semiconductor switch (2,3) sends the data-interface (6) to.
3. electrical switching apparatus (1) according to one of claims 1 or 2, which is characterized in that the control device (6) is set
It stands for the data-interface (10) will to be sent to by measured value detected by the electrical measurement (7,8,9,24).
4. according to claim 1 to electrical switching apparatus described in one of 3 (1), which is characterized in that opened for manipulating the semiconductor
The condition of (2,3) is closed based on overcurrent or short circuit or phase failure or fault current or over-voltage or the change of under-voltage or load current determination
Change process.
5. electrical switching apparatus (1) according to claim 4, which is characterized in that open based on condition the semiconductor
When closing the manipulation automatically determined of (2,3), show that the signal of the condition is attached on the data-interface (10).
6. electrical switching apparatus (1) according to one of claims 1 to 5, which is characterized in that during startup, can be via
The data-interface (10) is come previously given automatic after the cutting-off process of the semiconductor switch (2,3) automatically determined
Reclose.
7. electrical switching apparatus (1) according to one of claims 1 to 6, which is characterized in that once it is filled by the electrical measurement
It sets measured value detected by (7,8,9,24) and is in the cutting-off process automatically determined for causing the semiconductor switch (2,3)
That is on weekly duty enclose in the range of, the control device (6) just sends the measured value to the data-interface (10).
8. according to claim 1 to electrical switching apparatus described in one of 7 (1), which is characterized in that be arranged at least in the circuit
One can electro-mechanical manipulation switch element (13), the switch element can be manipulated by the control device (6).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ATA50282/2017 | 2017-04-06 | ||
| ATA50282/2017A AT519847B1 (en) | 2017-04-06 | 2017-04-06 | Electrical switchgear |
| PCT/EP2018/058392 WO2018185051A1 (en) | 2017-04-06 | 2018-04-03 | Electrical switching device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110506376A true CN110506376A (en) | 2019-11-26 |
| CN110506376B CN110506376B (en) | 2022-05-24 |
Family
ID=61952668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201880021523.0A Active CN110506376B (en) | 2017-04-06 | 2018-04-03 | Electrical switching apparatus |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3566275A1 (en) |
| CN (1) | CN110506376B (en) |
| AT (1) | AT519847B1 (en) |
| WO (1) | WO2018185051A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102020134291A1 (en) | 2020-12-18 | 2022-06-23 | Sma Solar Technology Ag | Method for protecting an electrical system against a short circuit and measuring system for carrying out the method |
| DE102020216409B4 (en) | 2020-12-21 | 2022-08-25 | Siemens Aktiengesellschaft | Protective switching device and method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105934858A (en) * | 2013-12-04 | 2016-09-07 | 伊顿工业(荷兰)有限公司 | Automatic reclosing alternating current circuit breaker |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006025605A1 (en) * | 2006-05-24 | 2007-11-29 | Friedrich Lütze Gmbh & Co. Kg | Device for automatically switching off or switching an electrical consumer |
| WO2015028634A1 (en) * | 2013-08-30 | 2015-03-05 | Eaton Industries (Netherlands) B.V. | Circuit breaker with hybrid switch |
| DE102015105426B4 (en) * | 2015-04-09 | 2022-06-02 | Intilion Gmbh | Safety device for a rechargeable electrical energy storage device, method for preventing an electrical current flow of a rechargeable electrical energy storage device and battery system with this safety device |
-
2017
- 2017-04-06 AT ATA50282/2017A patent/AT519847B1/en active
-
2018
- 2018-04-03 CN CN201880021523.0A patent/CN110506376B/en active Active
- 2018-04-03 WO PCT/EP2018/058392 patent/WO2018185051A1/en unknown
- 2018-04-03 EP EP18716962.8A patent/EP3566275A1/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105934858A (en) * | 2013-12-04 | 2016-09-07 | 伊顿工业(荷兰)有限公司 | Automatic reclosing alternating current circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3566275A1 (en) | 2019-11-13 |
| AT519847B1 (en) | 2021-08-15 |
| WO2018185051A1 (en) | 2018-10-11 |
| AT519847A1 (en) | 2018-10-15 |
| CN110506376B (en) | 2022-05-24 |
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Address after: Austria Vienna Applicant after: Siemens transport Austria LLC Address before: Austria Vienna Applicant before: Siemens Transport Co., Ltd. |
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