CN109742651A - A kind of sealing switch equipment circuit - Google Patents
A kind of sealing switch equipment circuit Download PDFInfo
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- CN109742651A CN109742651A CN201811623457.2A CN201811623457A CN109742651A CN 109742651 A CN109742651 A CN 109742651A CN 201811623457 A CN201811623457 A CN 201811623457A CN 109742651 A CN109742651 A CN 109742651A
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Abstract
A kind of sealing switch equipment circuit, sealing switch equipment circuit on one side are connect with inlet wire main bus-bar, and the other end is connect with above deck equipment；It include: main bus-bar or upper incoming line circuitry, main equipment circuit, entry/exit line circuitry and protective device circuit；Main bus-bar or upper incoming line circuitry are connect with inlet wire main bus-bar and main equipment circuit connection；Main equipment circuit is connect with entry/exit line circuitry；Protective device circuit is connect with main equipment circuit and entry/exit line circuitry；Above deck equipment includes: one or more of external equipment, outlet cable, voltage sensor, N line busbar and distribution box.The circuitry of four kinds of prefabricated cabins provided by the invention is together to form complete circuitry, this modularization sealing switch equipment circuit, by the brand-new design of switching devices functional unit, achieve the purpose that medium voltage switchgear equipment structural module, functional unit prefabricated cabin, connection standardization, field combinations and easy to maintain, power supply plan are arbitrarily adjusted flexibly.
Description
Technical field
The present invention relates to metal enclosed medium voltage switchgear equipment fields, and in particular to a kind of sealing switch equipment circuit.
Background technique
With the rapid propulsion that smart grid is built, to the reliability requirement of medium voltage switchgear equipment metal enclosed in power grid
It is higher and higher.The core equipment that metal enclosed medium voltage switchgear equipment is received as electric energy in electric system, transports and protected, a side
Face, reliability directly influence the safety of electric system；On the other hand, environment and requirement of the medium voltage switchgear equipment because of application
Difference comes in every shape, and number of devices is huge, and the metal enclosed medium voltage switchgear equipment quantity of accumulative production in nearly 3 years has reached
To 2260604 faces.It is limited by original design condition and mentality of designing, these metal enclosed medium voltage switchgear equipments are all made of entirety
Stationary structure, in terms of the property and structure easy to change of the modularization of equipment, standardization, core component combine
There is biggish deficiency, once more serious failure occurs for some position in equipment, integral replacing is unique selection, not only unrestrained
A large amount of material is taken, and therefore the interruption maintenance time is also multiplied, significantly reduce metal enclosed medium voltage switchgear equipment
Operational reliability and safe operation of electric network.
In recent years, the application due to withdraw-type structure in metal enclosed medium voltage switchgear equipment, metal enclosed Medium voltage switch or circuit breaker
Equipment constantly develops to modularization, standardization and high interchangeability direction, but also only addresses only using breaker as a small amount of of core
Component models problem.The modularization of current metal enclosed medium voltage switchgear equipment is still through withdraw-type component, such as independent behaviour
Make that mechanism, breaker be integrated with operating mechanism, independent mutual inductor is realized.Existing technology is not solved fundamentally to ask
Topic, and the circuit of switchgear forms and is not implemented independent and modularization, is not easy to the flexible exchange of each withdraw-type component；
Long, data that there are clearings time of fault wastes the problems such as serious, and the cost of overhaul is high；Have to the technological improvement effect of integral module
Limit；It cannot achieve being adjusted flexibly and changing for live power supply plan；And it cannot achieve with the complete middle pressure of same technical solution covering
Voltage class and current class.
Summary of the invention
It is not carried out independent and modular in order to solve circuitry in the prior art, is not easy to each withdraw-type
The flexible exchange of component, the present invention provides a kind of sealing switch equipment circuit, the sealing switch equipment circuit on one side and outer
The inlet wire main bus-bar in portion connects, and the other end is connect with above deck equipment；
The circuitry, comprising: main bus-bar or upper incoming line circuitry, main equipment circuit, entry/exit line circuitry and
Protective device circuit；
The main bus-bar or upper incoming line circuitry one end are connect with the inlet wire main bus-bar of the outside, the other end with it is described
Main equipment circuit connection；
The main equipment circuit is connect with the entry/exit line circuitry；
The protective device circuit is connect with the main equipment circuit and the entry/exit line circuitry, is constituted closing and is opened
Close circuitry；
The above deck equipment includes: one of external equipment, outlet cable, voltage sensor, N line busbar and distribution box
Or it is several.
Preferably, the main bus-bar or upper incoming line circuit, comprising: main bus-bar insulating sleeve, prevent eddy current separators and on every
Leave pass.
Preferably, main bus-bar insulating sleeve one end is connect with the inlet wire main bus-bar of the outside, the other end with it is described
Prevent eddy current separators from connecting；
It is described to prevent eddy current separators from connecting by branch bar with external equipment.
Preferably, described upper disconnecting switch one end is connect with the inlet wire main bus-bar of the outside, and the other end passes through branch mother
Line and the main equipment prefabricated cabin circuit connection.
Preferably, the main equipment circuit, comprising: lower disconnecting switch, upper disconnecting switch, breaker, earthing switch, load
Switch, fuse, station local coordinate frame and voltage sensor.
Preferably, the earthing switch is direct acting telescopic structure, is equipped with moving contact and static contact；
Locking spring is equipped in the static contact, for reinforcing contact；
The switching-on mechanism of the earthing switch is rapid switching-on mechanism.
Preferably, described upper disconnecting switch one end is by branch bar and the main bus-bar or upper incoming line circuit connection, separately
One end is connect with the breaker；
The breaker is connect with the lower disconnecting switch；
The lower disconnecting switch passes through branch bar and the entry/exit line circuit connection；
The lower disconnecting switch is also connect with the earthing switch；
The earthing switch is connect with the outlet cable.
Preferably, the upper disconnecting switch passes through branch bar and the main bus-bar or upper incoming line circuit connection, the other end
It is connect with the on-load switch；
The on-load switch is connect with the lower disconnecting switch；
The lower disconnecting switch passes through branch bar and the entry/exit line circuit connection；
The lower disconnecting switch is also connect with the earthing switch；
The earthing switch is connect with the outlet cable.
Preferably, the upper disconnecting switch is connect by the fuse with the on-load switch.
Preferably, the upper disconnecting switch passes through branch bar and the main bus-bar or upper incoming line circuit connection, the other end
With the entry/exit line circuit connection；
The upper disconnecting switch is also connect with the earthing switch；
The earthing switch is connect with the outlet cable.
Preferably, the upper disconnecting switch also passes through the connection of voltage sensor described in the breaker.
Preferably, the entry/exit line circuit, comprising: lower disconnecting switch, upper disconnecting switch, current sensor, voltage sensor
Device, earthing switch, arrester, pressure protective device, fuse and transformer.
Preferably, described lower disconnecting switch one end passes through branch bar and the main equipment circuit connection, the other end and institute
State external equipment connection.
Preferably, the lower disconnecting switch also passes through the voltage sensor and connect with the N line busbar.
Preferably, the voltage sensor after soft bus short join with the N line busbar by connecting.
Preferably, the lower disconnecting switch is connect by the current sensor with the external equipment；
The lower disconnecting switch is also connect with the arrester.
Preferably, described lower disconnecting switch one end and the main equipment circuit connection, the other end and the earthing switch connect
It connects；
The earthing switch is connect with the outlet cable；
The lower disconnecting switch is connect with external equipment.
Preferably, the lower disconnecting switch is connect by the current sensor with the external equipment；
The current sensor is also connect with the voltage protection.
Preferably, the current sensor also passes through arrester and connect with the external equipment；
The current sensor also passes through the earthing switch and connect with the outlet cable.
Preferably, branch bar is connect with described lower disconnecting switch one end；
The lower disconnecting switch is connect with the current sensor
The current sensor is connect with the voltage protection；
The current sensor is also connect with the external equipment；
The current sensor also passes through the earthing switch and connect with the outlet cable.
Preferably, described upper disconnecting switch one end passes through branch bar and the main equipment circuit connection；
The upper disconnecting switch other end is connect with the fuse；
The fuse is connect with the transformer；
The transformer is connect with the distribution box.
Preferably, the protective device circuit, comprising: intelligent protection device, measurement meter and indicator light；
The intelligent protection device is connect with the measurement meter, and indicates the measurement meter shape by the indicator light
State；
The intelligent protection device passes through low-voltage bus bar and the main equipment circuit connection；
The intelligent protection device passes through low-voltage bus bar or space flight plug and the entry/exit line circuit connection.
Preferably, the protective device circuit is set in protective device prefabricated cabin, and the entry/exit line circuit is set to
In entry/exit line prefabricated cabin；The main equipment circuit and main bus-bar or upper incoming line circuit be respectively arranged in main equipment prefabricated cabin and
In main bus-bar or upper incoming line prefabricated cabin；Or the main equipment circuit and main bus-bar or upper incoming line circuit are set to combination prefabricated cabin
It is interior；
The main bus-bar prefabricated cabin is connect by branch bar with the main equipment prefabricated cabin；
The main equipment prefabricated cabin is connect by branch bar with entry/exit line prefabricated cabin；
The protective device prefabricated cabin is connected by secondary cable and the main equipment prefabricated cabin and the entry/exit line prefabricated cabin
It connects；
The combination prefabricated cabin is connect by branch bar with the entry/exit line prefabricated cabin；
The protective device prefabricated cabin is connected by secondary cable and the main equipment prefabricated cabin and the entry/exit line prefabricated cabin
It connects.
Compared with prior art, the invention has the benefit that heretofore described sealing switch equipment circuit on one side with
External inlet wire main bus-bar connection, the other end are connect with above deck equipment；The circuitry, comprising: main bus-bar or upper incoming line are set
Standby circuit, main equipment circuit, entry/exit line circuitry and protective device circuit；The main bus-bar or upper incoming line circuitry one
End is connect with the inlet wire main bus-bar of the outside, the other end and the main equipment circuit connection；The main equipment circuit with it is described
The connection of entry/exit line circuitry；The protective device circuit and the main equipment circuit and the entry/exit line circuitry connect
It connects, constitutes sealing switch equipment circuit；The above deck equipment includes: external equipment, outlet cable, voltage sensor, N line busbar
One or more of with distribution box.Scheme provided by the invention is complete by the circuitry common combination of multiple independent prefabricated cabins
Whole circuitry, this modular sealing switch equipment circuit is set by the completely new of functional unit of switching devices
Meter, reach medium voltage switchgear equipment structural module, functional unit prefabricated cabin, be coupled standardization, field combinations and easy to maintain,
The purpose that power supply plan is arbitrarily adjusted flexibly, and may be implemented to cover full voltage grade and total current with same technical solution
Grade.
Detailed description of the invention
Fig. 1 is the assembling schematic diagram of prefabricated chamber device provided by the invention；
Fig. 2 is the schematic diagram of support frame provided by the invention；
Fig. 3 is the external structure of main bus-bar provided by the invention or upper incoming line prefabricated cabin；
Fig. 4 is the internal structure chart of main bus-bar provided by the invention or upper incoming line prefabricated cabin；
Fig. 5 is the cutaway view of main bus-bar provided by the invention or upper incoming line prefabricated cabin；
Fig. 6 is the external structure of main equipment prefabricated cabin provided by the invention；
Fig. 7 is the internal structure chart of main equipment prefabricated cabin provided by the invention；
Fig. 8 is the cutaway view of main equipment prefabricated cabin provided by the invention；
Fig. 9 is the external structure of entry/exit line prefabricated cabin provided by the invention；
Figure 10 is the internal structure chart of entry/exit line prefabricated cabin provided by the invention；
Figure 11 is the cutaway view of entry/exit line prefabricated cabin provided by the invention；
Appended drawing reference: 1- support frame, 2- main bus-bar or upper incoming line prefabricated cabin, 3- protective device prefabricated cabin, 4- main equipment are pre-
Cabin processed, 5- entry/exit line prefabricated cabin, 6- valve；
11- main bus-bar and protective device support frame, 12- main switch support frame, 13- entry/exit line support frame, 14- pressure release are logical
Road support frame, 15- cable fixing support rack；
21- main bus-bar prefabricated cabin shell, 22- pressure release gas vent, 23- main bus-bar insulating sleeve, 24- main bus-bar prefabricated cabin
Quiet support, 26- main bus-bar, 27- main bus-bar fixing clamp is isolated in pressure release passage, 25-；
Support, 44- pole, 45- main switch are isolated on 43- for 41- main switch prefabricated cabin shell, 42- main switch operating mechanism
Support is isolated under prefabricated cabin pressure release passage, 46-.
Be isolated under 51- entry/exit line prefabricated cabin shell, 52- earthing switch operating mechanism, 53- quiet support, 54- earthing switch,
55- arrester, 56- zero sequence current mutual inductor, 57- entry/exit line cable, 58- bus, 59- entry/exit line prefabricated cabin pressure release passage,
60- current transformer.
Specific embodiment
For a better understanding of the present invention, the contents of the present invention are done further with example with reference to the accompanying drawings of the specification
Explanation.
Embodiment 1:
Fig. 1 is the assembling schematic diagram of prefabricated chamber device provided by the invention, as shown in Figure 1, a kind of modularization prefabricated cabin knot
The metal enclosed medium voltage switchgear equipment of structure, medium pressure switchgear include the metal envelope being directly made of standalone feature prefabricated cabin
The metal enclosed medium voltage switchgear equipment for closing medium voltage switchgear equipment and adding prefabricated cabin support frame to collectively constitute by standalone feature prefabricated cabin
Two kinds；
Metal enclosed medium voltage switchgear equipment can be by main bus-bar or upper incoming line prefabricated cabin 2, main equipment prefabricated cabin 4, protective device
5 four parts of prefabricated cabin 3 and entry/exit line prefabricated cabin form；Or by main bus-bar or upper incoming line prefabricated cabin 2 and main equipment prefabricated cabin 4
Combine prefabricated cabin, 5 three parts of protective device prefabricated cabin 3 and entry/exit line prefabricated cabin form；The prefabricated cabin of identical function can appoint
Meaning is exchanged；Between breaker and disconnecting switch, earthing switch in main equipment prefabricated cabin 4 and main equipment prefabricated cabin 4, into/
Anti-misoperation locking device is equipped between outlet prefabricated cabin 5, the anti-misoperation locking device meets in GB3906 or DL404 standard
6.102 regulation, the metal enclosed medium voltage switchgear equipment meet the requirement of IP2X.
Fig. 2 is the schematic diagram of support frame provided by the invention, as shown in Fig. 2, the metal enclosed medium voltage switchgear equipment
It can be by main bus-bar 26 or upper incoming line prefabricated cabin 2, main equipment prefabricated cabin 4, protective device prefabricated cabin 3 and entry/exit line prefabricated cabin 5 four
Part and four corresponding prefabricated cabin support frame compositions；Or it is closed by main bus-bar 26 or upper incoming line prefabricated cabin 2 and main equipment prefabricated cabin 4
Combine prefabricated cabin, 5 three parts of protective device prefabricated cabin 3 and entry/exit line prefabricated cabin and three corresponding prefabricated cabin support frame groups
At；The support frame is made of metal material, guide rail is equipped in each support frame, the prefabricated cabin and support frame of identical function can
Arbitrarily to exchange；
26 prefabricated cabin of main bus-bar and 4 main conductive circuit of main equipment prefabricated cabin by branch bar or use plug-in type knot
The upper disconnecting switch of structure connects；
The main conductive circuit of the main equipment prefabricated cabin 4 and inlet-outlet line prefabricated cabin is by branch bar or uses plug-in type knot
The lower disconnecting switch of structure connects；
The protective device prefabricated cabin 3 passes through secondary with the main equipment prefabricated cabin 4 and inlet-outlet line prefabricated cabin secondary device
Cable connection is connected with aviation plug；
The metal enclosed medium voltage switchgear equipment passes through with adjacent metal enclosed medium voltage switchgear equipment secondary low-voltage bus
Secondary low-voltage bus connection in protective device prefabricated cabin 3 is set；
Fig. 3 is the external structure of main bus-bar 26 provided by the invention or upper incoming line prefabricated cabin 2, and Fig. 4 provides for the present invention
Main bus-bar 26 or upper incoming line prefabricated cabin 2 internal structure chart, Fig. 5 be main bus-bar provided by the invention or upper incoming line prefabricated cabin 2
Cutaway view；
Main conductive circuit connection type in main bus-bar 26 or upper incoming line prefabricated cabin 2 as shown in the figure refers to following any one
The combination of kind mode:
The main bus-bar or upper incoming line pass through 26 insulating sleeve of main bus-bar of prefabricated cabin case top or side side wall and prevent
Only eddy current separators are connect with bus inlet wire and other electric power cabinets；
The main bus-bar or upper incoming line pass through the disconnecting switch quiet 25 in the quiet support 43 of isolation upper on prefabricated cabin shell bottom
Contact is connect with the branch bar of the main bus-bar 26 of main equipment prefabricated cabin 4.
Fig. 6 is the external structure of main equipment prefabricated cabin 4 provided by the invention, and Fig. 7 is that main equipment provided by the invention is pre-
The internal structure chart in cabin 4 processed, Fig. 8 are the cutaway view of main equipment prefabricated cabin 4 provided by the invention；
Main conductive circuit connection type in main equipment prefabricated cabin 4 as shown in the figure refers to the group of any one following mode
It closes:
26 branch bar of main bus-bar is passed through hole and is above kept apart by the fixed contact pedestal of the upper disconnecting switch 43 of case top
It closes static contact to be connected, the moving contact of upper disconnecting switch is connected by branch bar with circuit breaker static contact, and moving contact of breaker is logical
It crosses branch bar to be connected with lower disconnecting switch moving contact, lower static contact isolation switch passes through branch bar and static contact of grounding switch
It is connected, earthing switch is connected with outlet cable；Or
26 branch bar of main bus-bar passes through hole by the upper static contact isolation switch seat of case top and upper disconnecting switch is quiet
Contact is connected, and the moving contact of upper disconnecting switch is connected by branch bar with on-load switch static contact, and on-load switch moving contact is logical
It crosses branch bar to be connected with lower disconnecting switch moving contact, lower static contact isolation switch passes through branch bar and static contact of grounding switch
It is connected, earthing switch is connected with outlet cable；Or
26 branch bar of main bus-bar passes through hole by the upper static contact isolation switch seat of case top and upper disconnecting switch is quiet
Contact is connected, and the moving contact of upper disconnecting switch is connected by branch bar with fuse static contact, the moving contact of fuse with lead to
It crosses branch bar to be connected with on-load switch static contact, on-load switch moving contact passes through branch bar and lower disconnecting switch moving contact phase
Even, lower static contact isolation switch is connected by branch bar with static contact of grounding switch, and earthing switch is connected with outlet cable；Or
The moving contact of upper disconnecting switch is connect by branch bar with station local coordinate frame, and station local coordinate frame connects main bus-bar 26
Assembly；Or
The moving contact of upper disconnecting switch is connected by branch bar with fuse static contact, and fuse connect main bus-bar with PT
The connection of 26 assemblys.
Fig. 9 is the external structure of entry/exit line prefabricated cabin 5 provided by the invention, and Figure 10 is entry/exit line provided by the invention
The internal structure chart of prefabricated cabin 5, Figure 11 are the cutaway view of entry/exit line prefabricated cabin 5 provided by the invention；
Main conductive circuit connection type in entry/exit line prefabricated cabin 5 as shown in the figure refers to any one following mode
Combination:
Lower static contact isolation switch is connect with branch bar one end, the branch bar other end respectively with current sensor side
It is connected with arrester high-pressure side, the current sensor other side is connect with static contact of grounding switch upper end, and arrester low-pressure side is shorted
It is connect afterwards by soft bus with ground connection confluence busbar, static contact of grounding switch lower end is connect with outlet cable；Or
Lower static contact isolation switch is connect with branch bar one end, the branch bar other end respectively with current sensor side
It is connected with overvoltage protection high-pressure side, the current sensor other side is connect with static contact of grounding switch upper end, and overvoltage is protected
Protection unit low-pressure side is connect by soft bus with ground connection confluence busbar after being shorted, and static contact of grounding switch lower end and outlet cable connect
It connects；Or
Lower static contact isolation switch is connect with branch bar one end, and the branch bar other end and current sensor side connect
It connects, the current sensor other side is connect with static contact of grounding switch upper end, and static contact of grounding switch lower end is connect with outlet cable；
Or
Lower static contact isolation switch is connect with branch bar one end, the branch bar other end respectively with current sensor side
It is connected with arrester high-pressure side, arrester low-pressure side is connect by soft bus with ground connection confluence busbar after being shorted, current sensor
The other side is connect with outlet cable；Or
Lower static contact isolation switch is connect with branch bar one end, the branch bar other end respectively with current sensor side
It is connected with overvoltage protection high-pressure side, overvoltage protection low-pressure side passes through soft bus and ground connection confluence busbar after being shorted
Connection, the current sensor other side is connect with outlet cable；Or
Lower static contact isolation switch is connect with branch bar one end, and the branch bar other end and voltage sensor side connect
It connects, the voltage sensor other side is connect by soft bus with N line busbar after being shorted；Or
Lower static contact isolation switch is connect with outlet cable；Or
Upper disconnecting switch moving contact is connect with fuse one end, and the fuse other end is connect with branch bar one end, branch
The bus other end is connect with change high-pressure side used, and low pressure side used is connect by cable with external distribution box.
Embodiment 2:
Fig. 3 is the external structure of main bus-bar provided by the invention or upper incoming line prefabricated cabin, and Fig. 4 is master provided by the invention
The internal structure chart of bus or upper incoming line prefabricated cabin, Fig. 5 are the cutaway view of main bus-bar provided by the invention or upper incoming line prefabricated cabin；
Main bus-bar or upper incoming line prefabricated cabin 2 as shown in the figure is in framework architecture, and periphery is closed using metal material, forms shell
Body 21；It, which is pushed up, is equipped with heat dissipation or pressure relief opening 22, and top is equipped with main bus-bar entrance hole；Its side wall is equipped with main bus-bar insulation sleeve
Pipe 23 and eddy current separators are prevented, metallic conductor main bus-bar 26, the main bus-bar 26 are installed in the main bus-bar insulating sleeve 23
Main bus-bar into two sides cabinet adjacent with other is attached；Its bottom is equipped with the upper quiet support 25 of isolation, the upper quiet support of isolation
Upper static contact isolation switch in 25 is connect by metallic conductor main bus-bar fixing clamp 27 with the main bus-bar 26；Be equipped in it with
The pressure release passage 24 that the main switch or equipment prefabricated cabin 4 communicate；
Fig. 6 is the external structure of main equipment prefabricated cabin provided by the invention, and Fig. 7 is that main equipment provided by the invention is prefabricated
The internal structure chart in cabin, Fig. 8 are the cutaway view of main equipment prefabricated cabin provided by the invention；
Main equipment prefabricated cabin 4 as shown in the figure includes cuboid or other shapes shell 41, is respectively arranged on the shell 41
Interior main switch operating mechanism 42 and main switch or apparatus assembly；Main switch described in the present embodiment or apparatus assembly include difference
Set on the upper isolation support 43 of the upper and lower surfaces of the shell 41 and lower isolation support 46, it is respectively arranged on and described keeps apart above and below
The upper moving conductive rod closed is connected with lower moving conductive rod and connects the pole 44 of the upper moving conductive rod and the lower moving conductive rod；
The upper moving conductive rod and the lower moving conductive rod difference flexible run through the upper and lower surface of the shell 41；
The top of shell 41 is equipped with upper static contact isolation switch seat and passes through hole；The housing sidewall is equipped in generation
The metallic door unidirectionally opened when portion's arcing failure；The pressure release passage communicated with the entry/exit line prefabricated cabin is equipped in the shell
45, the Object Debris generated when being equipped with for preventing interior unit cell model in the pressure release passage 45 and heat-resisting absorbable arc energy
The netted baffle of amount；
Fig. 9 is the external structure of entry/exit line prefabricated cabin provided by the invention, and Figure 10 is entry/exit line provided by the invention
The internal structure chart of prefabricated cabin, Figure 11 are the cutaway view of entry/exit line prefabricated cabin provided by the invention；
Entry/exit line prefabricated cabin as shown in the figure includes shell 51；The top of shell 51 is equipped with the quiet support 53 of lower isolation or divides
Branch bus passes through hole；The pressure release passage 59 communicated with the main switch or equipment prefabricated cabin is equipped in the shell 51；The shell
51 bottom of body be equipped be installed into/hole of outlet cable 57 and the fixed frame 15 of entry/exit line cable 57 is fixedly mounted, the fixed frame 15
The interior cable that is equipped with wrings axis；
54 add operation mechanism of earthing switch, 52 component, 55/ overvoltage protection of arrester dress are installed respectively in the shell 51
It sets, one or more of PT, zero sequence current mutual inductor 56, fuse, station local coordinate frame on-load switch and current transformer 60；
54 add operation mechanism of earthing switch, 52 component, PT, zero sequence current mutual inductor 56, melts 55/ overvoltage protection of arrester
Disconnected device or station local coordinate frame on-load switch are realized electrical with main switch or equipment prefabricated cabin 4 by branch bar 58 or disconnecting switch
The connection in circuit；
The moving contact and static contact of the earthing switch 54 use direct acting telescopic structure, and the static contact of earthing switch 54
Interior be equipped with guarantees to contact reliable locking spring, and earthing switch close/open machine uses the quick behaviour with quick divide-shut brake function
Make mechanism；
The breaker add operation mechanism assembly, on-load switch add operation mechanism assembly, upper and lower disconnecting switch add operation machine
Door of opening on structure component, 54 add operation mechanism of earthing switch, 52 component and cabinet body in addition to the prefabricated hatch door of protective device is equipped with
Prevent the coercive procedure mechanical locking device and electric interlocking installation of maloperation；The anti-misoperation machinery of the coercive procedure closes
Locking device and electric interlocking installation are able to satisfy the requirement of Its Relevant Technology Standards and State Grid Corporation of China's anti-accident measures.
The protective device prefabricated cabin 3 includes shell；Installed respectively in the shell intelligent protection device, measurement meter,
One or more of indicator light,；The shell upper end is equipped with the low-voltage bus bar that cabinet adjacent with other is coupled；Its bottom is equipped with
The secondary cable connecting pore communicated with the main switch or equipment prefabricated cabin by general aviation plug and the main switch, is set
The connection of the electric loop of standby or other secondary devices.
Obviously, described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on the present invention
In embodiment, all other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
It should be understood by those skilled in the art that, embodiments herein can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the application
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the application, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
The application is referring to method, the process of equipment (system) and computer program product according to the embodiment of the present application
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
The above is only the embodiment of the present invention, are not intended to restrict the invention, all in the spirit and principles in the present invention
Within, any modification, equivalent substitution, improvement and etc. done, be all contained in apply pending scope of the presently claimed invention it
It is interior.
Claims (23)
1. a kind of sealing switch equipment circuit, which is characterized in that the sealing switch equipment circuit on one side and external inlet wire master
Bus connection, the other end are connect with above deck equipment；
The circuitry, comprising: main bus-bar or upper incoming line circuitry, main equipment circuit, entry/exit line circuitry and protection
Device circuit；
The main bus-bar or upper incoming line circuitry one end are connect with the inlet wire main bus-bar of the outside, and the other end is set with the master
Standby circuit connection；
The main equipment circuit is connect with the entry/exit line circuitry；
The protective device circuit is connect with the main equipment circuit and the entry/exit line circuitry, is constituted enclosed switch and is set
Standby circuit；
The above deck equipment includes: one of external equipment, outlet cable, voltage sensor, N line busbar and distribution box or several
Kind.
2. a kind of sealing switch equipment circuit as described in claim 1, which is characterized in that the main bus-bar or upper incoming line electricity
Road, comprising: main bus-bar insulating sleeve prevents eddy current separators and upper disconnecting switch.
3. a kind of sealing switch equipment circuit as claimed in claim 2, it is characterised in that
Main bus-bar insulating sleeve one end is connect with the inlet wire main bus-bar of the outside, and the other end prevents eddy current separators with described
Connection；
It is described to prevent eddy current separators from connecting by branch bar with external equipment.
4. a kind of sealing switch equipment circuit as claimed in claim 2, which is characterized in that
Described upper disconnecting switch one end is connect with the inlet wire main bus-bar of the outside, and the other end is set by branch bar and the master
Standby prefabricated cabin circuit connection.
5. a kind of sealing switch equipment circuit as described in claim 1, it is characterised in that: the main equipment circuit, comprising: under
Disconnecting switch, upper disconnecting switch, breaker, earthing switch, on-load switch, fuse, station local coordinate frame and voltage sensor.
6. a kind of sealing switch equipment circuit as claimed in claim 5, which is characterized in that
The earthing switch is direct acting telescopic structure, is equipped with moving contact and static contact；
Locking spring is equipped in the static contact, for reinforcing contact；
The switching-on mechanism of the earthing switch is rapid switching-on mechanism.
7. a kind of sealing switch equipment circuit as claimed in claim 5, which is characterized in that
Broken by branch bar and the main bus-bar or upper incoming line circuit connection, the other end with described described upper disconnecting switch one end
The connection of road device；
The breaker is connect with the lower disconnecting switch；
The lower disconnecting switch passes through branch bar and the entry/exit line circuit connection；
The lower disconnecting switch is also connect with the earthing switch；
The earthing switch is connect with the outlet cable.
8. a kind of sealing switch equipment circuit as claimed in claim 5, which is characterized in that
The upper disconnecting switch is opened by branch bar and the main bus-bar or upper incoming line circuit connection, the other end with the load
Connection connects；
The on-load switch is connect with the lower disconnecting switch；
The lower disconnecting switch passes through branch bar and the entry/exit line circuit connection；
The lower disconnecting switch is also connect with the earthing switch；
The earthing switch is connect with the outlet cable.
9. a kind of sealing switch equipment circuit as claimed in claim 8, which is characterized in that
The upper disconnecting switch is connect by the fuse with the on-load switch.
10. a kind of sealing switch equipment circuit as claimed in claim 5, which is characterized in that
The upper disconnecting switch passes through branch bar and the main bus-bar or upper incoming line circuit connection, the other end and the entry/exit
Line circuit connection；
The upper disconnecting switch is also connect with the earthing switch；
The earthing switch is connect with the outlet cable.
11. a kind of sealing switch equipment circuit as claimed in claim 10, which is characterized in that
The upper disconnecting switch also passes through the connection of voltage sensor described in the breaker.
12. a kind of sealing switch equipment circuit as described in claim 1, it is characterised in that: the entry/exit line circuit, comprising:
Lower disconnecting switch, upper disconnecting switch, current sensor, voltage sensor, earthing switch, arrester, pressure protective device, fuse
And transformer.
13. a kind of sealing switch equipment circuit as claimed in claim 12, which is characterized in that
Described lower disconnecting switch one end is connected by branch bar and the main equipment circuit connection, the other end and the external equipment
It connects.
14. a kind of sealing switch equipment circuit as claimed in claim 13, which is characterized in that
The lower disconnecting switch also passes through the voltage sensor and connect with the N line busbar.
15. a kind of sealing switch equipment circuit as claimed in claim 14, which is characterized in that
The voltage sensor after soft bus short join with the N line busbar by connecting.
16. a kind of sealing switch equipment circuit as claimed in claim 13, which is characterized in that
The lower disconnecting switch is connect by the current sensor with the external equipment；
The lower disconnecting switch is also connect with the arrester.
17. a kind of sealing switch equipment circuit as claimed in claim 12, which is characterized in that
Described lower disconnecting switch one end and the main equipment circuit connection, the other end are connect with the earthing switch；
The earthing switch is connect with the outlet cable；
The lower disconnecting switch is connect with external equipment.
18. a kind of sealing switch equipment circuit as claimed in claim 13, which is characterized in that
The lower disconnecting switch is connect by the current sensor with the external equipment；
The current sensor is also connect with the voltage protection.
19. a kind of sealing switch equipment circuit as claimed in claim 18, which is characterized in that
The current sensor also passes through arrester and connect with the external equipment；
The current sensor also passes through the earthing switch and connect with the outlet cable.
20. a kind of sealing switch equipment circuit as claimed in claim 12, which is characterized in that
Branch bar is connect with described lower disconnecting switch one end；
The lower disconnecting switch is connect with the current sensor
The current sensor is connect with the voltage protection；
The current sensor is also connect with the external equipment；
The current sensor also passes through the earthing switch and connect with the outlet cable.
21. a kind of sealing switch equipment circuit as claimed in claim 12, which is characterized in that
Described upper disconnecting switch one end passes through branch bar and the main equipment circuit connection；
The upper disconnecting switch other end is connect with the fuse；
The fuse is connect with the transformer；
The transformer is connect with the distribution box.
22. a kind of sealing switch equipment circuit as claimed in claim 2, which is characterized in that the protective device circuit, packet
It includes: intelligent protection device, measurement meter and indicator light；
The intelligent protection device is connect with the measurement meter, and indicates the measurement meter state by the indicator light；
The intelligent protection device passes through low-voltage bus bar and the main equipment circuit connection；
The intelligent protection device passes through low-voltage bus bar or space flight plug and the entry/exit line circuit connection.
23. a kind of sealing switch equipment circuit as described in claim 1, it is characterised in that:
The protective device circuit is set in protective device prefabricated cabin, and the entry/exit line circuit is set to entry/exit line prefabricated cabin
It is interior；The main equipment circuit and main bus-bar or upper incoming line circuit are respectively arranged in main equipment prefabricated cabin and main bus-bar or upper incoming line
In prefabricated cabin；Or the main equipment circuit and main bus-bar or upper incoming line circuit are set in combination prefabricated cabin；
The main bus-bar prefabricated cabin is connect by branch bar with the main equipment prefabricated cabin；
The main equipment prefabricated cabin is connect by branch bar with entry/exit line prefabricated cabin；
The protective device prefabricated cabin is connect by secondary cable with the main equipment prefabricated cabin and the entry/exit line prefabricated cabin；
The combination prefabricated cabin is connect by branch bar with the entry/exit line prefabricated cabin；
The protective device prefabricated cabin is connect by secondary cable with the main equipment prefabricated cabin and the entry/exit line prefabricated cabin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811623457.2A CN109742651A (en) | 2018-12-28 | 2018-12-28 | A kind of sealing switch equipment circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811623457.2A CN109742651A (en) | 2018-12-28 | 2018-12-28 | A kind of sealing switch equipment circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109742651A true CN109742651A (en) | 2019-05-10 |
Family
ID=66361843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811623457.2A Pending CN109742651A (en) | 2018-12-28 | 2018-12-28 | A kind of sealing switch equipment circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109742651A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111740332A (en) * | 2020-06-30 | 2020-10-02 | 广东电网有限责任公司清远供电局 | Bus ventilation system and switch cabinet |
| CN112217118A (en) * | 2020-09-27 | 2021-01-12 | 四川电器集团中电开关有限公司 | Special compact high-pressure compartment for wind power box transformer substation |
| CN112596563A (en) * | 2020-12-02 | 2021-04-02 | 国网上海能源互联网研究院有限公司 | Method and system for self-adaptive control of air insulation gas-filled cabinet |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102916362A (en) * | 2011-08-02 | 2013-02-06 | 湖南丰日电源电气股份有限公司 | Intelligent inflatable high-pressure vacuum switch cabinet for metro |
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2018
- 2018-12-28 CN CN201811623457.2A patent/CN109742651A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102916362A (en) * | 2011-08-02 | 2013-02-06 | 湖南丰日电源电气股份有限公司 | Intelligent inflatable high-pressure vacuum switch cabinet for metro |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111740332A (en) * | 2020-06-30 | 2020-10-02 | 广东电网有限责任公司清远供电局 | Bus ventilation system and switch cabinet |
| CN112217118A (en) * | 2020-09-27 | 2021-01-12 | 四川电器集团中电开关有限公司 | Special compact high-pressure compartment for wind power box transformer substation |
| CN112217118B (en) * | 2020-09-27 | 2022-07-01 | 四川电器集团中电开关有限公司 | Special compact high-pressure compartment for wind power box transformer substation |
| CN112596563A (en) * | 2020-12-02 | 2021-04-02 | 国网上海能源互联网研究院有限公司 | Method and system for self-adaptive control of air insulation gas-filled cabinet |
| CN112596563B (en) * | 2020-12-02 | 2022-01-28 | 国网上海能源互联网研究院有限公司 | Method and system for self-adaptive control of air insulation gas-filled cabinet |
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