CN208164807U - Railway power system and outdoor parallel modular device for railway power system - Google Patents
Railway power system and outdoor parallel modular device for railway power system Download PDFInfo
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- CN208164807U CN208164807U CN201820311056.2U CN201820311056U CN208164807U CN 208164807 U CN208164807 U CN 208164807U CN 201820311056 U CN201820311056 U CN 201820311056U CN 208164807 U CN208164807 U CN 208164807U
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Abstract
The utility model provides a kind of railway power system and the outdoor parallel modular device for railway power system, which includes main body module in parallel and peripheral module in parallel；Wherein, main body module in parallel includes：First voltage transformation unit, the first isolated location, breaker, current transformer, the second isolated location, the second voltage transformation unit；Peripheral module in parallel includes support frame and Main Control Tank；First voltage transformation unit leading-out terminal is provided with the moving contact of the first isolated location；The lower wire end of breaker is provided with the static contact of the first isolated location；The leading-out terminal of current transformer is provided with the static contact of the second isolated location；The leading-out terminal of second voltage transformation unit is provided with the moving contact of the second isolated location, and the first voltage transformation unit, the first isolated location, breaker, current transformer, the second isolated location and the second voltage transformation unit are respectively provided on the support frame；Main Control Tank is electrically connected with main body module in parallel.The utility model reduce establish subregion needed for resource loss.
Description
Technical field
The utility model relates to railway electric fields, supply in particular to a kind of railway power system and for railway
The outdoor parallel modular device of electric system.
Background technique
Subregion is the place in supply arm end, equipped with switchgear, is usually provided at two neighboring traction substation
Between, main function is to implement uplink and downlink contact net end parallel operation, specifically, can make adjacent contact net power supply section
(uplink and downlink of same supply arm or two supply arms of two adjacent electric substations) are realized in parallel or are worked independently.When adjacent electric substation
When power failure, it can also pass through the realized over-zone feeding of subregion.
Currently, subregion institute equipment mainly has outdoor box frame mode, also there are the building type using single devices, cloth on column
Mode is set, but no matter which kind of arrangement is used, for the ease of operation maintenance, management, it is necessary in the iron that electric split-phase is arranged
Road car station is provided about one piece of place to install equipment.At the same time, need to set up electric split-phase to subregion four times supply lines,
Draw logical institute's road to connect.Above-mentioned kind is established during subregion institute other than needing procuring equipment, also need to purchase dedicated place with
Institute's accommodation road is connected, construction investment is both increased, also takes up a large amount of land resource.Meanwhile for the ease of transporting and tieing up
Pillar reason, typically by subregion institute institute select AT STATION near, increase subregion addressing difficulty.It thus establishes and passes
The biggish human and material resources of consumption and financial resources required for the subregion of system, very consuming resource.
Aiming at the problem that expending vast resources required for above-mentioned foundation tradition subregion, effective solution side is not yet proposed at present
Case.
Utility model content
In view of this, the utility model embodiment is designed to provide a kind of railway power system and for railway power supply
The outdoor parallel modular device of system, to replace traditional subregion institute, reduce establish subregion needed for resource loss.
In a first aspect, the utility model embodiment provides a kind of outdoor parallel module makeup for railway power system
It sets, which includes main body module in parallel and peripheral module in parallel；Wherein, main body module in parallel includes：First voltage transformation unit,
One isolated location, breaker, current transformer, the second isolated location, the second voltage transformation unit；Peripheral module in parallel includes support frame
And Main Control Tank；The input terminal of first voltage transformation unit is connected with upcoming contact net, and the leading-out terminal of the first voltage transformation unit is provided with
The moving contact of first isolated location；The lower wire end of breaker is provided with the static contact of the first isolated location, the first isolated location
Moving contact it is mutually chimeric with the static contact of the first isolated location；The upper outlet terminal of breaker and the input terminal of current transformer
It is connected；The leading-out terminal of current transformer is provided with the static contact of the second isolated location；The leading-out terminal of second voltage transformation unit is set
It is equipped with the moving contact of the second isolated location, the moving contact of the second isolated location is mutually chimeric with the static contact of the second isolated location；The
The input terminal of two voltage transformation units is connect with downlink contact net；First voltage transformation unit, the first isolated location, breaker, electric current are mutual
Sensor, the second isolated location and the second voltage transformation unit are respectively provided on the support frame；Main Control Tank is electrically connected with main body module in parallel.
With reference to first aspect, the utility model embodiment provides the first possible embodiment of first aspect,
In, above-mentioned first voltage transformation unit includes transformer or voltage transformer；Above-mentioned second voltage transformation unit includes that transformer or voltage are mutual
Sensor.
The possible embodiment of with reference to first aspect the first, the utility model embodiment provide the of first aspect
Two kinds of possible embodiments, wherein above-mentioned transformer is the dry-type transformer for being internally provided with fuse.
Second of possible embodiment of the possible embodiment of with reference to first aspect the first or first aspect,
The utility model embodiment provides the third possible embodiment of first aspect, wherein the iron core of above-mentioned transformer and
High-voltage coil and low-voltage coil is integrated by the vacuum pouring of flame retardant epoxy material.
With reference to first aspect, the utility model embodiment provides the 4th kind of possible embodiment of first aspect,
In, the first isolated location and the second isolated location include sequentially connected disconnecting switch, pull rod, connecting lever, drive rod and isolation
Switch mechanism box；Disconnecting switch includes：Moving contact and static contact；Moving contact is connect with pull rod.
The 4th kind of possible embodiment with reference to first aspect, the utility model embodiment provide the of first aspect
Five kinds of possible embodiments, wherein above-mentioned drive rod is using vertical plug-type by disconnecting switch and isolating switch mechanism case biography
Dynamic connection, the moving contact of disconnecting switch are to open up mode.
The 5th kind of possible embodiment with reference to first aspect, the utility model embodiment provide the of first aspect
Six kinds of possible embodiments, wherein isolating switch mechanism case is internally provided with automatic division floodgate part, manual divide-shut brake portion
Part, switch-on/off indicator and manipulation change-over switch.
With reference to first aspect, the utility model embodiment provides the 7th kind of possible embodiment of first aspect,
In, breaker is column support type full-closed structure, including pole vacuum interrupter, upper wire outlet seat, lower wire outlet seat, pillar epoxy
Insulating part, spring operating mechanism, transmission mechanism and mechanism case；Pole vacuum interrupter passes through transmission mechanism and spring actuating
Mechanism is connected；Pole vacuum interrupter is arranged between upper wire outlet seat and lower wire outlet seat；Lower wire outlet seat is fixed on support ring
On oxygen insulating part, pillar epoxy insulator is fixed on mechanism case.
With reference to first aspect, the utility model embodiment provides the 8th kind of possible embodiment of first aspect,
In, the inlet-outlet line conductive seat of current transformer and current transformer and the static contact of disconnecting switch are integrated casting type；Support
Frame includes component chassis and H profile steel column, and component chassis is set to the top of H profile steel column.
Second aspect, the utility model embodiment provide a kind of railway power system, wherein the system includes first party
Outdoor parallel modular device in face further includes the contact net being electrically connected with outdoor parallel modular device and traction power transformation
Institute.
Railway power system provided by the embodiment of the utility model and outdoor parallel modular device, by by the first transformation
Unit, the first isolated location, breaker, current transformer, the second isolated location, the second voltage transformation unit collection are combined into an entirety
Main body module in parallel, and the parallel connection topic module is matched with the peripheral module in parallel for including support frame and Main Control Tank, structure
It can be realized the miniaturization open air parallel module of subregion institute function (i.e. implementation uplink and downlink contact net end parallel operation) at one
Makeup is set.Compared with establishing required for subregion a large amount of resource of consuming in the prior art, which can be with
Functionally replace traditional subregion institute, can also flexible choice infield according to actual needs, reduce the traditional subregion of foundation
Spent resource loss, it is more economical convenient.
To enable the above objects, features, and advantages of the utility model to be clearer and more comprehensible, preferred embodiment is cited below particularly, and
Cooperate appended attached drawing, is described in detail below.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 shows a kind of outdoor parallel modular for railway power system provided by the utility model embodiment
The schematic device of device；
Main element symbol description：
10A-transformer 10B-voltage transformer
The moving contact of the isolated location of moving contact 20b-second of the first isolated location of 20a-
The static contact of the isolated location of static contact 21b-second of the first isolated location of 21a-
The pull rod of the isolated location of pull rod 22b-second of the first isolated location of 22a-
The connecting lever of the isolated location of connecting lever 23b-second of the first isolated location of 23a-
The drive rod of the isolated location of drive rod 24b-second of the first isolated location of 24a-
The isolating switch mechanism case of the first isolated location of 25a-
The isolating switch mechanism case of the second isolated location of 25b-
30-40-current transformers of breaker
50-component chassis 60-H profile steel columns
70-Main Control Tanks
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment be only the utility model a part of the embodiment, instead of all the embodiments.Usually described in attached drawing here
It can arrange and design with a variety of different configurations with the component of the utility model embodiment shown.Therefore, below to
The detailed description of the embodiments of the present invention provided in attached drawing is not intended to limit the model of claimed invention
It encloses, but is merely representative of the selected embodiment of the utility model.Based on the embodiments of the present invention, those skilled in the art exist
Every other embodiment obtained under the premise of creative work is not made, is fallen within the protection scope of the utility model.
In view of establishing traditional subregion institute due to being limited by geographic factor, addressing inconvenience, and need to consume biggish
Human and material resources and financial resources, very consuming resource.Based on this, the utility model embodiment provide a kind of railway power system and
Outdoor parallel modular device for railway power system.It is described below by embodiment.
Embodiment 1
A kind of schematic device of outdoor parallel modular device for railway power system shown in Figure 1.
Above-mentioned open air parallel modular device includes main body module in parallel and peripheral module in parallel；
Wherein, main body module in parallel includes：First voltage transformation unit, the first isolated location, breaker 30, current transformer
40, the second isolated location, the second voltage transformation unit；Peripheral module in parallel includes support frame and Main Control Tank 70；
Connection relationship between the main devices of above-mentioned parallel connection main body module can refer to described below：
The input terminal of first voltage transformation unit is connected with upcoming contact net, and the leading-out terminal of the first voltage transformation unit is provided with
The moving contact 20a of one isolated location；Wherein, the first voltage transformation unit can be transformer and be also possible to voltage transformer, such as Fig. 1 institute
Show, which is transformer 10A；
The lower wire end of breaker 30 is provided with the static contact 21a of the first isolated location, the moving contact of the first isolated location
20a is chimeric with the static contact 21a phase of the first isolated location；
The upper outlet terminal of breaker 30 is connected with the input terminal of current transformer 40；
The leading-out terminal of current transformer 40 is provided with the static contact 21b of the second isolated location；
The leading-out terminal of second voltage transformation unit is provided with the moving contact 20b of the second isolated location, and the second isolated location moves
Contact 20b is chimeric with the static contact 21b phase of the second isolated location；Wherein, the second voltage transformation unit can be transformer and be also possible to
Voltage transformer, as shown in Figure 1, second voltage transformation unit is voltage transformer 10B；
The input terminal of second voltage transformation unit is connect with downlink contact net；
First voltage transformation unit, the first isolated location, breaker 30, current transformer 40, the second isolated location and second become
Pressure unit is respectively provided on the support frame；Support frame is mainly used for placing main body module in parallel, wherein the height of the support frame can be with
It is set according to actual track demand.
Main Control Tank 70 with main body module electrical connection in parallel (it is compared in view of practical connection line more, its company is not shown in figure
Connect relationship).It include ac input division point inside the power supply box, whole specifically, including power supply box and control cabinet inside Main Control Tank 70
Current charge module, dropping equipment and feeder line output switching part, system monitoring part, battery, battery inspection device etc., it is above-mentioned
Various pieces constitute entire ac and dc systems, can provide equipment power supply for each device of outdoor parallel modular device, set
The powers of alterating and direct current such as standby operating mechanism power supply, observing and controlling case power supply, heating power supply and emergency lighting；In addition, control cabinet is for specific
Each controlled device in the present apparatus is controlled, specifically can refer to the relevant technologies realization, details are not described herein.
In the above-mentioned outdoor parallel modular device for railway power system of the present embodiment, which includes in parallel main
Module and peripheral module in parallel are inscribed, by by the first voltage transformation unit, the first isolated location, breaker 30, current transformer 40, the
Two isolated locations, the second voltage transformation unit collection are combined into the main body module in parallel an of entirety, and by the parallel connection main body module with include
There is the peripheral module in parallel of support frame and Main Control Tank to match, constituting one can be realized subregion institute function (i.e. implementation uplink and downlink
Contact net end parallel operation) miniaturization open air parallel modular device.The device can functionally replace traditional subregion
Institute can be flexible by railway main track according to actual needs because the device has the characteristics that Highgrade integration and miniaturization
Infield is selected, without the investment of single purpose building, the piece of smooth land, logical institute's road and supply lines, thus has greatly saved soil
Ground resource, reduce establish traditional subregion resource loss.Therefore use the open air for railway power system of the present embodiment
Parallel module is more economical reliable, flexibly convenient.
It should be noted that Fig. 1, only using the first voltage transformation unit as transformer 10A, the second voltage transformation unit is voltage transformer
It is illustrated for 10B, in a practical situation, the first voltage transformation unit includes transformer or voltage transformer；Second voltage transformation unit
Including transformer or voltage transformer.Fig. 1, which should not be deemed to be, is used for railway power system to what is provided in the present embodiment
Outdoor parallel modular device limitation.In the application, specifically transformation function can be realized using one of following four mode：
A, the first voltage transformation unit is transformer, and the second voltage transformation unit is transformer；
B, the first voltage transformation unit is transformer, and the second voltage transformation unit is voltage transformer；
C, the first voltage transformation unit is voltage transformer, and the second voltage transformation unit is transformer；
D, the first voltage transformation unit is voltage transformer, and the second voltage transformation unit is voltage transformer；
It should be noted that traditional subregion generallys use above-mentioned 4th kind of situation, (i.e. the first voltage transformation unit is voltage
Mutual inductor, the second voltage transformation unit are voltage transformer).Preferably, open air parallel modular device provided by the present embodiment is adopted
Voltage transformer routinely is replaced to take electricity from contact net with transformer, the voltage taken amount needed for preferably meeting protection
It is required that and on the basis of meeting the power requirement of breaker and disconnecting switch electric operating mechanism, also making parallel modular device
Smallerization greatly reduces volumetric spaces, keeps device more flexible.
Wherein, apply the transformer 10A in outdoor parallel modular device provided in this embodiment molten to be internally provided with
The dry-type transformer of disconnected device.Specifically, transformer 10A can be low capacity, built-in fuse protection outdoor dry type, from
So cooling transformer.By the mode being built in fuse in transformer 10A, integrated so that transformer 10A is more minimized
Change, has saved space, and then reduce the volume of entire parallel modular device.
Conventional dry transformer device structure is to be set with low-voltage coil outside transformer core, and be set with high pressure again in low pressure periphery
Coil has certain assembly space and air insulation distance between iron core and coil；If however traditional dry-type transformer is pacified
Mounted in outdoor use, then need conventional transformer apparatus box house outdoors, volume is more huge, and be not easy to it is other
Device sets are an entirety.Taken based on this, in the present embodiment the iron core of transformer 10A and high-voltage coil and low-voltage coil are passed through it is fire-retardant
Epoxy material vacuum pouring is integrated, so that the various components of transformer become an overall structure, and then preferably full
Sufficient insulating requirements and outdoor use.Wherein, above-mentioned pouring technology uses currently advanced APG technique, i.e. epoxy resin from dynamic pressure
Power gel forming technique.Transformer 10A is using the two sides outlet method for making somebody a mere figurehead inlet wire, and its wire outlet end is using cold pressing isolation
Switch cutter mouth formula, high mechanical strength, while wire outlet end also doubles as disconnecting switch moving contact, so that device Highgrade integration.
The present embodiment replaces traditional dry-type voltage inductor using the miniature dry-type transformer 10A of compact structure, both
Operation power is provided for open air parallel connectionization module, and provides the required voltage detection signal of protection；Transformer 10A is adopted simultaneously
Harmonic wave quarantine measures are taken, to prevent influence of the harmonic wave to power-supply system and TT&C system.Thus above-mentioned transformer 10A is not only tied
Structure simplifies, compact, reliability also with higher.In addition, fuse is built in inside transformer 10A also greatly essence
The letter volume of outdoor parallel modular device, thus using the outdoor parallel modular device of above-mentioned transformer compared to tradition
Subregion institute, have very big advantage.
Above-mentioned first isolated location and the second isolated location include sequentially connected disconnecting switch, pull rod, connecting lever, transmission
Bar and isolating switch mechanism case；The disconnecting switch includes：Moving contact and static contact；Wherein, which connect with pull rod.Such as figure
Shown in 1, wherein the first isolated location includes：The moving contact 20a of first isolated location, the static contact 21a of the first isolated location,
The pull rod 22a of one isolated location, the connecting lever 23a of the first isolated location, the drive rod 24a of the first isolated location, the first isolation are single
The isolating switch mechanism case 25a of member；Second isolated location includes：The moving contact 20b of second isolated location, the second isolated location
Static contact 21b, the pull rod 22b of the second isolated location, the connecting lever 23b of the second isolated location, the second isolated location drive rod
The isolating switch mechanism case 25b of 24b, the second isolated location.
Wherein, disconnecting switch can be line contact form, and moving contact is acted by pull rod, can be overlapped on when needed
On static contact, it can also be separated by pull rod with static contact.Above-mentioned isolated location can be in equipment or line maintenance or root
Disconnect the device in device in circuit, furthermore it is also possible to be connect with isolated location to change operation
Line mode.Therefore, isolated location is essential equipment in device.It should be noted that the moving contact of disconnecting switch and quiet
The form of contact can flexible setting according to actual needs, and be not limited by the description set out above, details are not described herein.
In order to manipulate disconnecting switch easily and fast, above-mentioned drive rod using it is vertical it is plug-type by disconnecting switch and every
It is sequentially connected from switch mechanism box, wherein the moving contact of disconnecting switch is to open up mode.In view of manipulation disconnecting switch
A variety of implementations, isolating switch mechanism case are internally provided with automatic division floodgate part, manual divide-shut brake component, divide-shut brake instruction
Device and manipulation change-over switch.For example, when manipulating change-over switch is electronic gear, as long as controllers issue an operation life
It enables, control loop can then be finished automatically by separating brake or making process of the automatic divide-shut brake to disconnecting switch, such as be manipulated
It, then can be by the divide-shut brake process of controllers manual manipulation disconnecting switch when change-over switch is manual gear.
Isolated location provided by the present embodiment, the moving contact and static contact for the disconnecting switch for being used to cut-off are respectively set
It is on the device around disconnecting switch, the leading-out terminal of such as the first voltage transformation unit (be as shown in Figure 1 transformer 10A) is provided with the
The moving contact of the disconnecting switch of one isolated location, the i.e. outlet terminal of transformer 10A and the moving contact of the disconnecting switch are integrated
It is integrated, in other words by the special moving contact for disconnecting switch of the outlet terminal of transformer 10A；The lower wire end of breaker 30 is set
It is set to the static contact of the disconnecting switch of the first isolated location.The moving contact and static contact of the disconnecting switch of second isolated location are similarly
It can obtain, details are not described herein.By the above-mentioned means, outdoor parallel modular device becomes the integration that each element height integrates
Device, it is very convenient during actual use is with placement, while also having simplified the overall structure of the device.
In order to simplify outdoor parallel modular device more with reliably, breaker 30 provided by the present embodiment is pillar
Formula full-closed structure, including pole vacuum interrupter, upper wire outlet seat, lower wire outlet seat, pillar epoxy insulator, spring actuating
Mechanism, transmission mechanism and mechanism case；Pole vacuum interrupter is connected by transmission mechanism with spring operating mechanism；Sealing pole
Column vacuum interrupter is arranged between upper wire outlet seat and lower wire outlet seat；Lower wire outlet seat is fixed on pillar epoxy insulator, pillar
Epoxy insulator is fixed on mechanism case.
Above-mentioned breaker 30 is as folding load and cut-offs the special switch of fault current, in the present embodiment specially family
Outer fixed, for single-stage vertical loaded in structure case, entire pole uses column support type full-closed structure, favorable sealing property, upper branch
Column is arc-chutes casting, and built-in vacuum interrupter, lower supporting rod is fixed on frame.
Wherein, lower supporting rod adds epoxy resin to cast using outdoor silicon rubber, good insulation preformance.
The transmission mechanism of above-mentioned breaker 30 includes insulated pull rod, connecting lever and guide rod, by adjusting insulated pull rod and guide rod
Length, the excess of stroke and clearance between open contacts of adjustable breaker 30.Wherein, insulated pull rod mechanism point, resultant motion is transmitted to and goes out
Arc chamber moving contact reaches the purpose manually with electric operating point, conjunction breaker.The contact pressure of arc-chutes dynamic/static contact then relies on
Compression spring is realized.
In order to keep breaker more integrated, while in view of outdoor special circumstances, the actuating machine of above-mentioned breaker 30
Structure and running part connected to it are placed in the cabinet of a waterproof.Spring operating mechanism and connecting rod, should in mechanism case
Mechanism case is water proof type, is made moist to be effectively prevented in cabinet electric controling element, in addition, mechanism case be provided with temperature controller and
Heater preferably can be protected and be monitored to the element in case.
It should be noted that in order to which the requirement of product outline size can also be met while meeting product electric property,
When being poured to circuit breaker, the mode that electrical body is increased high-strength insulating material can be taken to be isolated, this
Sample can enhance product dielectric strength and the requirement of circuit breaker size, to preferably make outdoor parallel modular
Device meets the demand that reliable, volume is simplified.
Current transformer 40 is whole pour with the inlet-outlet line conductive seat of current transformer 40 and the static contact of disconnecting switch
Note formula；
In order to keep outdoor parallel modular device integrated level higher, the present embodiment is breaking using the outdoor vacuum of sealing form
Device is quiet as disconnecting switch into (out) line seat, miniature dry-type transformer into (out) line seat into (out) line seat, dry-type current transformer
The method of contact uses the dynamic and static contact of disconnecting switch as a component of modular appliance, changes conventional isolation switches
Usage mode and theory, keep integrated level higher.
Further, support frame includes component chassis 50 and H profile steel column 60, as shown in Figure 1, the component chassis 50 is arranged
In the top of H profile steel column 60.Component chassis 50 is for each main devices in bracketing parallel connection main body module, H profile steel column 60
Height can then be set according to actual track demand.
Outdoor vacuum circuit breaker, the dry-type current of parallel modular device collection pole form provided in this embodiment are mutual
Sensor, miniature dry-type transformer, dry-type voltage inductor, disconnecting switch moving contact are in one, and equipment uses as a whole.
It can be respectively combined into the integrated device for meeting different function demand according to actual needs, thus the device has high reliability, exempts from
The features such as maintainability, miniaturization, batch production.
Above-mentioned parallel modular device can functionally replace subregion institute, meet supply arm end (or more area) in parallel and supply
Electricity need, and because the device have the characteristics that Highgrade integration and minimize, can according to actual needs railway just
Flexible choice infield, is independently mounted at by railway main track, is located at same longitudinal axis with catenary mast, and meet side by line
Face boundary demand, without setting up independently-powered line.At the same time, volume provided by the present embodiment simplifies, is highly integrated
Parallel modular device be not necessarily to single purpose building, the piece of smooth land and logical institute's road, greatly saved land resource, reduce foundation pass
Unite subregion institute resource loss, while also shortening construction period.Therefore use the open air for railway power system of the present embodiment
Parallel modular device is more economical reliable, and in addressing and to build aspect flexible convenient.
Embodiment 2
The present embodiment provides a kind of railway power system, which includes the outdoor parallel modular in above-described embodiment 1
Device further includes the contact net and traction substation being electrically connected with outdoor parallel modular device.
Specifically, the railway power system can be direct feeding system with return wire formula tractive power supply system, it is at this
Outdoor parallel modular device in embodiment 1 is replaced to traditional subregion institute in system, addressing and build aspect it is more flexible just
It is prompt.
Wherein, direct feeding system is that the electric energy exported from traction substation is directly passed through contact net to be supplied to electric power machine
Vehicle, and return electric current and then pass through track, greatly return to traction substation.In contrast, direct feeding system with return wire formula is then
Refer to and be additionally arranged a return wire in the level outside of contact net, alleviates interference of the contact net to adjacent communication route.
The characteristics of direct feeding system with return wire formula is：
(1) structure is simple, and investment and maintenance are small；
(2) power supply reliability is high；
(3) its feeding circuit and equipment are simple, with low investment, operation maintenance is convenient.
Direct feeding system with return wire formula is thus used, to simplified system equipment, improves power supply reliability, enhancing technology
Index and extensive adaptability etc. have great realistic meaning.
Traction substation in railway power system is specially the house substation of electric propulsion, regional power system
The electric energy sent requires electric current and the different of voltage according to electric propulsion, is changed into the electric energy suitable for electric propulsion, then
It is sent to the contact net of downline overhead erection respectively, powers for electric locomotive.
A kind of railway power system provided by the present embodiment is disguised using open air parallel module provided by embodiment 1
It sets and replaces traditional subregion institute, wherein the outdoor vacuum open circuit that the open air parallel modular device passes through collection pole form
Device, dry-type current transformer, miniature dry-type transformer, dry-type voltage inductor, disconnecting switch moving contact are in one, as one
Integral device uses.
Above-mentioned parallel modular device can functionally replace subregion institute, meet supply arm end (or more area) in parallel and supply
Electricity need, and because the device have the characteristics that Highgrade integration and minimize, can according to actual needs railway just
Flexible choice infield, is independently mounted at by railway main track, is located at same longitudinal axis with catenary mast, and meet side by line
Face boundary demand, without setting up independently-powered line.At the same time, simplified using volume provided by above-described embodiment 1,
Highly integrated parallel modular device is not necessarily to single purpose building, the piece of smooth land and logical institute's road, has greatly saved land resource, has reduced
Establish the resource loss of traditional subregion institute, while also shortening construction period.Therefore it is in parallel using the open air in railway power system
Modular device is more economical reliable, more flexible convenient in addressing and in terms of building.
In conclusion railway power system provided by the present embodiment, by the way that outdoor parallel modular device is replaced biography
System subregion institute and apply in direct feeding system with return wire formula tractive power supply system, according to actual needs by railway main track
The infield of flexible choice open air parallel module, such as be independently mounted at by railway main track, and with catenary mast position
In same longitudinal axis, meet side boundary demand, without setting up independently-powered line.At the same time, the present embodiment is mentioned
The railway power system of confession, it is not necessary that single purpose building, the piece of smooth land and logical institute's road is arranged for the open air parallel modular device, greatly
Saved land resource, reduce establish traditional subregion resource loss.The system is more economical reliable, has greatly saved money
Source.
It should be noted that the railway power system of above-described embodiment and outdoor parallel modular device are implementing
When, can be realized using module with the above function or unit, these modules or unit can be physically separated or
It is physically integrated, some or all of unit therein can also be selected according to the actual needs to realize the mesh of the present embodiment
's.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection,
Or it is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediary can also be passed through
It is indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, it can be managed with concrete condition
Solve the concrete meaning of above-mentioned term in the present invention.
In several embodiments provided herein, it should be understood that disclosed device and method can pass through it
Its mode is realized.The apparatus embodiments described above are merely exemplary, for example, the division of the unit, only
A kind of logical function partition, there may be another division manner in actual implementation, in another example, multiple units or components can combine
Or it is desirably integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed phase
Coupling, direct-coupling or communication connection between mutually can be through some communication interfaces, the INDIRECT COUPLING of device or unit or
Communication connection can be electricity, mechanical or other forms.
Finally it should be noted that：Embodiment described above, only specific embodiment of the present utility model, to illustrate this
The technical solution of utility model, rather than its limitations, the protection scope of the utility model is not limited thereto, although referring to aforementioned
The utility model is described in detail in embodiment, those skilled in the art should understand that：It is any to be familiar with this skill
The technical staff in art field within the technical scope disclosed by the utility model, still can be to skill documented by previous embodiment
Art scheme modify or can readily occur in variation or equivalent replacement of some of the technical features；And these modifications,
Variation or replacement, the spirit and model of the utility model embodiment technical solution that it does not separate the essence of the corresponding technical solution
It encloses.It should be covered within the scope of the utility model.Therefore, the protection scope of the utility model is answered described is wanted with right
Subject to the protection scope asked.
Claims (10)
1. a kind of outdoor parallel modular device for railway power system, which is characterized in that described device includes in parallel main
Module and peripheral module in parallel；
It is described parallel connection main body module include：First voltage transformation unit, the first isolated location, breaker, current transformer, the second isolation
Unit, the second voltage transformation unit；The parallel connection peripheral module includes support frame and Main Control Tank；
The input terminal of first voltage transformation unit is connected with upcoming contact net, the leading-out terminal setting of first voltage transformation unit
There is the moving contact of first isolated location；
The lower wire end of the breaker is provided with the static contact of first isolated location, the dynamic touching of first isolated location
Head is mutually chimeric with the static contact of first isolated location；
The upper outlet terminal of the breaker is connected with the input terminal of the current transformer；
The leading-out terminal of the current transformer is provided with the static contact of second isolated location；
The leading-out terminal of second voltage transformation unit is provided with the moving contact of second isolated location, second isolated location
Moving contact it is mutually chimeric with the static contact of second isolated location；
The input terminal of second voltage transformation unit is connect with downlink contact net；
First voltage transformation unit, first isolated location, the breaker, the current transformer, second isolation
Unit and second voltage transformation unit are arranged on support frame as described above；
The Main Control Tank is electrically connected with the main body module in parallel.
2. the apparatus according to claim 1, which is characterized in that first voltage transformation unit includes transformer or mutual induction of voltage
Device；Second voltage transformation unit includes transformer or voltage transformer.
3. the apparatus of claim 2, which is characterized in that the transformer is the dry type change for being internally provided with fuse
Depressor.
4. device according to claim 2 or 3, which is characterized in that the iron core and high-voltage coil and low-voltage coil of the transformer pass through
Flame retardant epoxy material vacuum pouring is integrated.
5. the apparatus according to claim 1, which is characterized in that first isolated location and second isolated location are equal
Including sequentially connected disconnecting switch, pull rod, connecting lever, drive rod and isolating switch mechanism case；The disconnecting switch includes：It is described
Moving contact and the static contact；The moving contact is connect with the pull rod.
6. device according to claim 5, which is characterized in that the drive rod is kept apart using vertically plug-type by described
It closes and the isolating switch mechanism case is sequentially connected, wherein the moving contact of the disconnecting switch is to open up mode.
7. device according to claim 6, which is characterized in that the isolating switch mechanism case is internally provided with automatic division
Floodgate part, manual divide-shut brake component, switch-on/off indicator and manipulation change-over switch.
8. the apparatus according to claim 1, which is characterized in that the breaker is column support type full-closed structure, including solid
Sealed pole vacuum interrupter, upper wire outlet seat, lower wire outlet seat, pillar epoxy insulator, spring operating mechanism, transmission mechanism and mechanism
Case；
The pole vacuum interrupter is connected by the transmission mechanism with the spring operating mechanism；
The pole vacuum interrupter is arranged between the upper wire outlet seat and the lower wire outlet seat；
The lower wire outlet seat is fixed on the pillar epoxy insulator, and the pillar epoxy insulator is fixed on the mechanism case
On.
9. device according to claim 5, which is characterized in that the disengaging of the current transformer and the current transformer
Line conductive seat and the static contact of the disconnecting switch are integrated casting type；Support frame as described above includes component chassis and H profile steel
Column, the component chassis are set to the top of the H profile steel column.
10. a kind of railway power system, which is characterized in that the system comprises the described in any item open airs of claim 1 to 9 simultaneously
Join modular unit, further includes the contact net and traction substation being electrically connected with the outdoor parallel modular device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820311056.2U CN208164807U (en) | 2018-03-07 | 2018-03-07 | Railway power system and outdoor parallel modular device for railway power system |
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| CN201820311056.2U CN208164807U (en) | 2018-03-07 | 2018-03-07 | Railway power system and outdoor parallel modular device for railway power system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108357395A (en) * | 2018-03-07 | 2018-08-03 | 常州安凯特电缆有限公司 | Railway power system and outdoor parallel modular device for railway power system |
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2018
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108357395A (en) * | 2018-03-07 | 2018-08-03 | 常州安凯特电缆有限公司 | Railway power system and outdoor parallel modular device for railway power system |
| WO2019169950A1 (en) * | 2018-03-07 | 2019-09-12 | 信承瑞技术有限公司 | Railway power supply system and outdoor parallel modular device for railway power supply system |
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Address after: 213100 No. 128 Dongfang East Road, Wujin District, Changzhou City, Jiangsu Province Patentee after: Xincheng Rui Technology Co., Ltd. Address before: 213000 No. 128 Dongfang East Road, Changzhou City, Jiangsu Province Patentee before: Changzhou ankaite Cable Co. Ltd. |