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 PDF

Info

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
Authority
CN
China
Prior art keywords
vacuum
load operation
operation switch
ultraviolet
emitting diode
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.)
Pending
Application number
CN201811165563.0A
Other languages
Chinese (zh)
Inventor
杨家辉
袁耀
张曦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CSG Electric Power Research Institute
Research Institute of Southern Power Grid Co Ltd
Original Assignee
Research Institute of Southern Power Grid Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Research Institute of Southern Power Grid Co Ltd filed Critical Research Institute of Southern Power Grid Co Ltd
Priority to CN201811165563.0A priority Critical patent/CN109346300A/en
Publication of CN109346300A publication Critical patent/CN109346300A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/40Structural association with built-in electric component, e.g. fuse
    • H01F27/402Association of measuring or protective means
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18Status alarms
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B5/00Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
    • G08B5/22Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
    • G08B5/36Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/40Structural association with built-in electric component, e.g. fuse
    • H01F27/402Association of measuring or protective means
    • H01F2027/404Protective devices specially adapted for fluid filled transformers

Landscapes

  • 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

The safety system and method for vacuum on-load operation switch
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.
CN201811165563.0A 2018-09-30 2018-09-30 The safety system and method for vacuum on-load operation switch Pending CN109346300A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811165563.0A CN109346300A (en) 2018-09-30 2018-09-30 The safety system and method for vacuum on-load operation switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811165563.0A CN109346300A (en) 2018-09-30 2018-09-30 The safety system and method for vacuum on-load operation switch

Publications (1)

Publication Number Publication Date
CN109346300A true CN109346300A (en) 2019-02-15

Family

ID=65308327

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811165563.0A Pending CN109346300A (en) 2018-09-30 2018-09-30 The safety system and method for vacuum on-load operation switch

Country Status (1)

Country Link
CN (1) CN109346300A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
CN201590653U (en) Photoelectric arc light protection system
CN201417300Y (en) State monitoring system for circuit breaker
CN201846069U (en) Arc light protector
CN102055178A (en) String and system employing direct current electrical generating modules and a number of string protectors
CN109346300A (en) The safety system and method for vacuum on-load operation switch
CN201797308U (en) Microcomputer arc light protection device
CN104332948A (en) Arc fault protection device
CN103441017A (en) Safety protection method of vacuum on-load tap switch
CN208127651U (en) Arc protection high-tension switch cabinet
CN112771744A (en) Switching device for disconnecting an electrical load from an energy supply network and safety switching system
CN206977035U (en) A kind of device for reducing high voltage electric equipment detonation damage
CN105336127A (en) Overload alarm system for electric power voltage detection
CN110635447B (en) Tripping control unit, electric leakage module and safe direct current Internet of things protection switch
CN110311357A (en) A kind of Backup Protection Device for Transformer accelerated using nearly bus electric arc
CN201892709U (en) Electricity-checking and phasing apparatus of power cable
CN206250134U (en) A kind of breaker of plastic casing with auto-alarm function
CN208013356U (en) A kind of on-line early warning system of built-in arc light monitoring
CN105514856A (en) Voltage transformer cabinet monitored on line in real time
CN107979188A (en) Dc circuit breaker energy supplying system
CN217406183U (en) Intelligent electric arc light protection system
CN103346525A (en) Arc light protecting device based on UVC sensors
CN219575541U (en) Novel low-voltage circuit breaker with data detection function
Liang et al. Optimal design of converter valve back-check loop architecture in HVDC power transmission system
CN210350859U (en) Alarm device for monitoring circuit breaker
CN203104094U (en) Remote control communication dual-power selector switch

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20190215