CN109346300A - The safety system and method for vacuum on-load operation switch - Google Patents
The safety system and method for vacuum on-load operation switch Download PDFInfo
- Publication number
- CN109346300A CN109346300A CN201811165563.0A CN201811165563A CN109346300A CN 109346300 A CN109346300 A CN 109346300A CN 201811165563 A CN201811165563 A CN 201811165563A CN 109346300 A CN109346300 A CN 109346300A
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- China
- Prior art keywords
- vacuum
- load operation
- operation switch
- ultraviolet
- emitting diode
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Classifications
-
- 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
- H01F27/40—Structural association with built-in electric component, e.g. fuse
- H01F27/402—Association of measuring or protective means
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
- G08B5/22—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
- G08B5/36—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources
-
- 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
- H01F27/40—Structural association with built-in electric component, e.g. fuse
- H01F27/402—Association of measuring or protective means
- H01F2027/404—Protective devices specially adapted for fluid filled transformers
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electromagnetism (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
The invention discloses a kind of safety system of vacuum on-load operation switch and methods, comprising: ultraviolet phototube, cable, power supply, light emitting diode;Wherein, the ultraviolet phototube setting is mounted on the position on the grease chamber insulating cylinder of the vacuum on-load operation switch against main branch change-over switch, and for receiving ultraviolet signal caused by electric arc, ultraviolet light triggers ultraviolet phototube, circuit conducting;Wherein, when the electric arc is that vacuum bubbles fail, electric arc that vacuum on-load operation switch is generated when main branch change-over switch is cut-off;The ultraviolet phototube and the cable connection, the cable is connect with the power supply, the light emitting diode being arranged in outside the grease chamber insulating cylinder, for passing through the ultraviolet phototube triggering and conducting, circuit conducting, the light emitting diode generation luminous alarm signal.The master switcher of vacuum switch core component is monitored by the connection of above-mentioned each module, cooperating, realizes the safeguard protection of vacuum on-load operation switch.
Description
Technical field
The present invention relates to a kind of safety system and method more particularly to a kind of peaces for vacuum on-load operation switch
Full guard System and method for.
Background technique
In transformer technology field, vacuum on-load operation switch is to utilize the high dielectric property under high vacuum environment in vacuum bubbles
With strong blow-out, occurs that the switching of contact in vacuum bubbles, electric arc is avoided to improve switch to the pollution of transformer oil
Energy and service life.With the fast development of long range direct current transportation, vacuum on-load operation switch is with the excellent of fast quick-recovery that insulate
Gesture is widely used in the direct current system transformer containing abundant harmonic wave.
Although vacuum on-load operation switch is mature, due to the dispersibility of vacuum bubbles quality, it is possible to occurring true
Vacuole fails to the case where arc extinguishing.After vacuum bubbles failure, master switcher is then equivalent to original mechanical switch, though
It so can normally switch to a certain extent, but electric arc can be generated, so that transformer oil is polluted in blow-out in oil, reduce insulating properties
Energy.Therefore, it is necessary to the master switchers to vacuum switch core component to be monitored, to monitor the operating status of vacuum bubbles.Cause
This, provides a kind of safety system of vacuum on-load operation switch and the technical issues of method is current urgent need to resolve.
Summary of the invention
In view of the above-mentioned problems, the purpose of the present invention is to provide a kind of safety system of vacuum on-load operation switch and
Method is monitoring and the safe operation of vacuum bubbles is protected to provide effective technological means.Peace for vacuum type load ratio bridging switch
All risk insurance protecting system can be used as the important component to vacuum type load ratio bridging switch monitoring running state, and it is ultraviolet effectively to detect electric arc
Light achievees the purpose that the operating status for monitoring vacuum on-load operation switch.
The embodiment of the invention provides a kind of safety systems of vacuum on-load operation switch characterized by comprising
Ultraviolet phototube, cable, power supply, light emitting diode;
Wherein, the ultraviolet phototube setting is mounted on the grease chamber insulating cylinder of the vacuum on-load operation switch against main
The position of branch change-over switch, for receiving ultraviolet signal caused by electric arc, the ultraviolet signal triggers ultraviolet light photo
Pipe, circuit conducting;Wherein, when the electric arc is that vacuum bubbles fail, vacuum on-load operation switch is cut-off in main branch change-over switch
When the electric arc that generates;
The ultraviolet phototube and the cable connection, the cable and described in being arranged in outside the grease chamber insulating cylinder
Power supply, light emitting diode connection, for after ultraviolet light photo tube loop conducting, the Light-Emitting Diode to generate luminous
Alarm signal.
It preferably, further include through device;
Wherein, the cable passes through the through device and the grease chamber by vacuum on-load operation switch head bend pipe
The power supply, the light emitting diode are connected to after insulating cylinder isolation.
It preferably, further include substation backstage;
Wherein, the cable is connected to the substation backstage simultaneously and generates alarm signal, for notifying user to judge whether
Load ratio bridging switch is latched.
Another embodiment of the present invention provides a kind of method for security protection of vacuum on-load operation switch, which is characterized in that
Include:
Ultraviolet signal caused by electric arc is received, ultraviolet phototube, circuit closed is connected;Wherein, the electric arc is true
When vacuole fails, electric arc that vacuum on-load operation switch is generated when main branch change-over switch is cut-off;
The light emitting diode is connected, generates luminous alarm signal.
Preferably, ultraviolet signal caused by electric arc is acquired, and forms the implementation method of electric current are as follows:
The ultraviolet phototube setting is mounted on the grease chamber insulating cylinder of the vacuum on-load operation switch against main branch
The position of change-over switch.
Preferably, the electric current is transmitted to light emitting diode, generates the implementation method of luminous alarm signal are as follows:
The ultraviolet phototube and the cable connection, the cable and described in being arranged in outside the grease chamber insulating cylinder
Power supply, light emitting diode connection, for generating and shining by electric current described in the cable transmission to the Light-Emitting Diode
Alarm signal.
Preferably, the cable is exhausted by through device and the grease chamber by vacuum on-load operation switch head bend pipe
The power supply, the light emitting diode are connected to after the isolation of edge cylinder.
By above-mentioned safety system and method, ultraviolet phototube setting is mounted on grease chamber insulating cylinder against main branch
The position of change-over switch is not no light since vacuum on-load operation switch grease chamber is in the confined space in transformer, and
Vacuum on-load operation switch switches in the case where vacuum bubbles do not fail will not generate electric arc.When vacuum bubbles failure, vacuum has
On-load shunting switch can generate electric arc when main branch change-over switch is cut-off, and contain ultraviolet light in electric arc, ultraviolet phototube it is photosensitive
Original part acquires ultraviolet signal caused by electric arc, triggering ultraviolet phototube conducting, circuit closed, and forms electric current, through cable
Outer blaze diode is reached, conducting Light-Emitting Diode generates alarm signal, operator is notified to handle in time.
Detailed description of the invention
In order to illustrate more clearly of technical solution of the present invention, attached drawing needed in embodiment will be made below
Simply introduce, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present invention, general for this field
For logical technical staff, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of signal of the safety system for vacuum on-load operation switch that first embodiment of the invention provides
Figure;
Fig. 2 is that a kind of module of the safety system for vacuum on-load operation switch that first embodiment of the invention provides connects
Connect schematic diagram;
Fig. 3 is that a kind of process of the method for security protection for vacuum on-load operation switch that further embodiment of this invention provides is shown
It is intended to;
Wherein, ultraviolet phototube 1, through device 2, cable 3, power supply 4, light emitting diode 5.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
For the ease of clearly describing the technical solution of the embodiment of the present invention, in an embodiment of the present invention, use " the
One ", the printed words such as " second " distinguish function or the essentially identical identical entry of effect or similar item, and those skilled in the art can
Understand that the printed words such as " first ", " second " are not defined quantity and execution order.
A kind of safety system of vacuum on-load operation switch is present embodiments provided, referring to Fig. 1, in the present embodiment
In, the safety system of the vacuum on-load operation switch includes:
Ultraviolet phototube, cable, power supply, light emitting diode;
Wherein, the ultraviolet phototube setting is mounted on the grease chamber insulating cylinder of the vacuum on-load operation switch against main
The position of branch change-over switch, for receiving ultraviolet signal caused by electric arc, the ultraviolet signal triggers ultraviolet light photo
Pipe, circuit conducting;Wherein, when the electric arc is that vacuum bubbles fail, vacuum on-load operation switch is cut-off in main branch change-over switch
When the electric arc that generates;
The ultraviolet phototube and the cable connection, the cable and described in being arranged in outside the grease chamber insulating cylinder
Power supply, light emitting diode connection, for after ultraviolet light photo tube loop conducting, the Light-Emitting Diode to generate luminous
Alarm signal.
By above-mentioned safety system, ultraviolet phototube setting is mounted on grease chamber insulating cylinder against main branch conversion and opens
The position of pass is not no light since vacuum on-load operation switch grease chamber is in the confined space in transformer, and vacuum has
On-load shunting switch switches in the case where vacuum bubbles do not fail will not generate electric arc.When vacuum bubbles failure, vacuum loaded tap-off
Switch can generate electric arc when main branch change-over switch is cut-off, and ultraviolet light be contained in electric arc, the light sensor of ultraviolet phototube is adopted
Collect ultraviolet signal caused by electric arc, triggering ultraviolet phototube conducting, circuit closed is connected Light-Emitting Diode, generates and shine
Alarm signal notifies operator to handle in time.
It preferably, further include through device;
Wherein, the cable passes through the through device and the grease chamber by vacuum on-load operation switch head bend pipe
The power supply, the light emitting diode are connected to after insulating cylinder isolation.
Above-mentioned connection type can be realized the connection isolation of effective and safe.Further, it is also possible to control system is set, the electricity
Control system described in current lead-through in cable, control system control mechanism do not reoperate, and avoid dangerous generation.The operator
Processing include that control mechanism does not reoperate, and safeguard and overhaul in time.
It preferably, further include substation backstage;
Wherein, the cable is connected to the substation backstage simultaneously and generates alarm signal, for notifying user to judge whether
Load ratio bridging switch is latched.
Ultraviolet phototube 1 is arranged in the grease chamber of load ratio bridging switch ontology, for picking up since vacuum switch arc extinguishing loses
The ultraviolet signal that the switching of main branch change-over switch generates after effect, ultraviolet phototube 1 pass through interface element through device 2 and cable 3
The cable 3 of docking, connection exports electric signal.Cable 3 and power supply 4, the light emitting diode 5 being arranged in outside the grease chamber insulating cylinder
Connection.When vacuum bubbles failure after, can not effective arc extinguishing, main branch change-over switch switch when will generate electric arc, ultraviolet phototube 1
Capture ultraviolet signal caused by arclight, triggering ultraviolet phototube conducting, circuit closed, the conducting of light emitting diode 5, production
Raw alarm signal.The cable transmission electric current is connected to the substation backstage simultaneously and generates alarm signal, for notifying user to sentence
It is disconnected whether to be latched load ratio bridging switch.The generation of alarm signal illustrates that vacuum bubbles are no longer valid, and user is notified to notice that concern is true
Having the switch instances of on-load shunting switch in vain, user should judge in conjunction with chromatography test aggregation of data in vacuum on-load operation switch oil,
If load ratio bridging switch, should be latched by chromatographic data while exception, the load ratio bridging switch that reruns after failure to be processed operation.Tool
Body, vacuum on-load operation switch can continue to use after alarm, but not allow gear shifting operation.
Another embodiment of the present invention provides a kind of method for security protection of vacuum on-load operation switch, which is characterized in that
Include:
Ultraviolet signal caused by electric arc is received, ultraviolet phototube, circuit closed is connected;Wherein, the electric arc is true
When vacuole fails, electric arc that vacuum on-load operation switch is generated when main branch change-over switch is cut-off;
The light emitting diode is connected, generates luminous alarm signal.
Preferably, ultraviolet signal caused by electric arc is acquired, and forms the implementation method of electric current are as follows:
The ultraviolet phototube setting is mounted on the grease chamber insulating cylinder of the vacuum on-load operation switch against main branch
The position of change-over switch.
Preferably, the electric current is transmitted to light emitting diode, generates the implementation method of luminous alarm signal are as follows:
The ultraviolet phototube and the cable connection, the cable and described in being arranged in outside the grease chamber insulating cylinder
Power supply, light emitting diode connection, for generating and shining by electric current described in the cable transmission to the Light-Emitting Diode
Alarm signal.
Ultraviolet phototube setting is mounted on the position on grease chamber insulating cylinder against main branch change-over switch, since vacuum has load
It is not no light that oil cabinet of tap switches, which is in the confined space in transformer, and vacuum on-load operation switch does not lose in vacuum bubbles
Switching will not generate electric arc in the case where effect.When vacuum bubbles failure when, vacuum on-load operation switch can contact it is separated when
Electric arc is generated, ultraviolet light, ultraviolet signal caused by the light sensor acquisition electric arc of ultraviolet phototube, triggering are contained in electric arc
Light-Emitting Diode is connected in ultraviolet phototube conducting, circuit closed, generates luminous alarm signal, operator is notified to handle in time.
Preferably, the cable is exhausted by through device and the grease chamber by vacuum on-load operation switch head bend pipe
The power supply, the light emitting diode are connected to after the isolation of edge cylinder.
In addition, the cable transmission electric current is connected to the substation backstage simultaneously generates alarm signal, for notifying user
Judge whether for load ratio bridging switch to be latched.The generation of alarm signal illustrates that vacuum bubbles are no longer valid, and user is notified to pay attention to paying close attention to
The switch instances of vacuum on-load operation switch, user should sentence in conjunction with chromatography test aggregation of data in vacuum on-load operation switch oil
It is disconnected, if load ratio bridging switch, should be latched by chromatographic data while exception, the load ratio bridging switch that reruns after failure to be processed behaviour
Make.Specifically, vacuum on-load operation switch can continue to use after alarm, but do not allow gear shifting operation.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (7)
1. a kind of safety system of vacuum on-load operation switch characterized by comprising
Ultraviolet phototube, cable, power supply, light emitting diode;
Wherein, the ultraviolet phototube setting is mounted on the grease chamber insulating cylinder of the vacuum on-load operation switch against main branch
The position of change-over switch, for receiving ultraviolet signal caused by electric arc, the ultraviolet signal triggers ultraviolet phototube, returns
Road conducting;Wherein, when the electric arc is that vacuum bubbles fail, vacuum on-load operation switch generation when main branch change-over switch is cut-off
Electric arc;
The ultraviolet phototube and the cable connection, the cable and the electricity being arranged in outside the grease chamber insulating cylinder
Source, light emitting diode connection, for after ultraviolet light photo tube loop conducting, the Light-Emitting Diode to generate the report that shines
Alert signal.
2. the safety system of vacuum on-load operation switch according to claim 1, which is characterized in that
It further include through device;
Wherein, the cable is insulated by vacuum on-load operation switch head bend pipe by the through device and the grease chamber
The power supply, the light emitting diode are connected to after cylinder isolation.
3. the safety system of vacuum on-load operation switch according to claim 1 or 2, which is characterized in that
It further include substation backstage;
Wherein, the cable is connected to the substation backstage simultaneously and generates alarm signal, for notifying user to judge whether to have
On-load shunting switch locking.
4. a kind of method for security protection of vacuum on-load operation switch characterized by comprising
Ultraviolet signal caused by electric arc is received, ultraviolet phototube, circuit closed is connected;Wherein, the electric arc is vacuum bubbles
When failure, electric arc that vacuum on-load operation switch is generated when main branch change-over switch is cut-off;
The light emitting diode is connected, generates luminous alarm signal.
5. the method for security protection of vacuum on-load operation switch according to claim 4, which is characterized in that the acquisition electricity
Ultraviolet signal caused by arc, and form the implementation method of electric current are as follows:
The ultraviolet phototube setting, which is mounted on the grease chamber insulating cylinder of the vacuum on-load operation switch against main branch, to be converted
The position of switch.
6. the method for security protection of vacuum on-load operation switch according to claim 4 or 5, which is characterized in that described to lead
Lead to the light emitting diode, generate the implementation method of luminous alarm signal are as follows:
The ultraviolet phototube and the cable connection, the cable and the electricity being arranged in outside the grease chamber insulating cylinder
Source, light emitting diode connection, for generating the report that shines by electric current described in the cable transmission to the Light-Emitting Diode
Alert signal.
7. the method for security protection of vacuum on-load operation switch according to claim 6, which is characterized in that
The cable is after vacuum on-load operation switch head bend pipe is isolated by through device with the grease chamber insulating cylinder
It is connected to the power supply, the light emitting diode.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201811165563.0A CN109346300A (en) | 2018-09-30 | 2018-09-30 | The safety system and method for vacuum on-load operation switch |
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CN201811165563.0A CN109346300A (en) | 2018-09-30 | 2018-09-30 | The safety system and method for vacuum on-load operation switch |
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CN201811165563.0A Pending CN109346300A (en) | 2018-09-30 | 2018-09-30 | The safety system and method for vacuum on-load operation switch |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112630644A (en) * | 2020-12-15 | 2021-04-09 | 中国电力科学研究院有限公司 | Method and system for on-line monitoring on-load tap-changer switching program based on photoelectric signal |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103854913A (en) * | 2013-09-05 | 2014-06-11 | 上海华明电力设备制造有限公司 | Isolation switch arc detection mechanism and safety protection device for vacuum on-load tapping switch |
CN106024504A (en) * | 2016-06-15 | 2016-10-12 | 台州西普电气有限公司 | Vacuum circuit breaker with vacuum monitoring device |
CN205880151U (en) * | 2016-07-06 | 2017-01-11 | 国家电网公司 | A safety protection monitoring device for supplementary on -load tap -changer that puts off arc of thyristor |
-
2018
- 2018-09-30 CN CN201811165563.0A patent/CN109346300A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103854913A (en) * | 2013-09-05 | 2014-06-11 | 上海华明电力设备制造有限公司 | Isolation switch arc detection mechanism and safety protection device for vacuum on-load tapping switch |
CN106024504A (en) * | 2016-06-15 | 2016-10-12 | 台州西普电气有限公司 | Vacuum circuit breaker with vacuum monitoring device |
CN205880151U (en) * | 2016-07-06 | 2017-01-11 | 国家电网公司 | A safety protection monitoring device for supplementary on -load tap -changer that puts off arc of thyristor |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112630644A (en) * | 2020-12-15 | 2021-04-09 | 中国电力科学研究院有限公司 | Method and system for on-line monitoring on-load tap-changer switching program based on photoelectric signal |
CN112630644B (en) * | 2020-12-15 | 2023-03-14 | 中国电力科学研究院有限公司 | Method and system for on-line monitoring on-load tap-changer switching program based on photoelectric signal |
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Application publication date: 20190215 |