CN105958407B - A kind of high voltage DC breaker valve tower structure - Google Patents
A kind of high voltage DC breaker valve tower structure Download PDFInfo
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- CN105958407B CN105958407B CN201610357836.6A CN201610357836A CN105958407B CN 105958407 B CN105958407 B CN 105958407B CN 201610357836 A CN201610357836 A CN 201610357836A CN 105958407 B CN105958407 B CN 105958407B
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- 239000000725 suspension Substances 0.000 claims abstract description 20
- 239000011229 interlayer Substances 0.000 claims abstract description 14
- 239000010410 layer Substances 0.000 claims abstract description 12
- 239000012212 insulator Substances 0.000 claims description 24
- 238000013016 damping Methods 0.000 claims description 21
- 230000004888 barrier function Effects 0.000 claims description 13
- 239000003990 capacitor Substances 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims 1
- 230000009977 dual effect Effects 0.000 abstract description 3
- 230000002787 reinforcement Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 5
- 238000002955 isolation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000002788 crimping Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 210000000452 mid-foot Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G13/00—Installations of lightning conductors; Fastening thereof to supporting structure
- H02G13/80—Discharge by conduction or dissipation, e.g. rods, arresters, spark gaps
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/14—Arrangements or devices for damping mechanical oscillations of lines, e.g. for reducing production of sound
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- Gas-Insulated Switchgears (AREA)
Abstract
The present invention relates to a kind of high voltage DC breaker valve tower structures, breaker (PCC) power including multiple for being sequentially connected in series, multiple breaker (PCC) powers are spaced layered arrangement along the vertical direction, interlayer support structure is set to form valve tower main body between two layers of breaker (PCC) power of arbitrary neighborhood, valve tower body supports are arranged in the supports insulative minor structure of bottom, valve tower structure further includes the corresponding lightning arrester assembly for being arranged in the valve tower main body side, and valve tower structure further includes for the valve tower main body to be suspended in the suspension apparatus below corresponding suspention beam.Layered arrangement, arrangement relative compact, horizontal foot print are relatively small along the vertical direction for multiple breaker (PCC) powers.And, the dual reinforcement measure that valve tower main body is supported simultaneously using top suspension and bottom, can effectively improve valve tower anti-seismic performance, simultaneously, also the intensity requirement to bottom supports insulative minor structure is reduced, and then more breaker (PCC) powers can be stacked in the up-down direction.
Description
Technical field
The present invention relates to a kind of high voltage DC breaker valve tower structures.
Background technology
Multi-terminal HVDC transmission and DC grid technology based on flexible direct current are to solve the problems, such as new-energy grid-connected and consumption
One of effective technology means, and high-voltage circuitbreaker is the key equipment for building DC grid, to DC transmission system and direct current
The safe and reliable operation of net has extremely important effect.All the time, under the conditions of high voltage, high current, how to solve straight
Galvanic electricity stream is difficult to cut-off without natural zero-crossing point and the direct-current short circuit electric current rate of climb requires that is cut-off in its several milliseconds to ask soon
Topic, annoyings domestic and international academia and engineering circles, therefore be known as the century-old problem of technical field of electric power.
The high-voltage DC rapid breaker that application publication number is CN103647248A includes mechanical isolation switch, high-pressure electronic
Switch and mesolow dc circuit breaker, mechanical isolation switch connect to form a branch, high pressure with mesolow dc circuit breaker
Electronic switch and the branch circuit parallel connection, high-pressure electronic switch herein is in series by multiple valve sections, and each valve Duan Youyi are kept away
Thunder device is formed with the great-power electronic element in parallel that turns off that at least one set is connected.Under normal condition, mechanical isolation switch, in it is low
The series arm conducting of dc circuit breaker is pressed, does not have electric current to pass through in high-pressure electronic switching circuitry.And when hvdc transmission line is short
During the failure of road, mesolow dc circuit breaker acts first, since mesolow dc circuit breaker has direct current extinguishing arc ability, direct current
Stream generates arc drop at mesolow dc circuit breaker both ends, at this point, triggering high-pressure electronic switch connected in parallel, high pressure immediately
After electronic switch conducting, since its conduction impedance is low, DC current is transported rapidly to high-voltage electricity sub switch circuit, in corresponding
DC current in low-voltage direct breaker and mechanical isolation switching circuitry reduces rapidly, and terminal voltage also reduces rapidly, machinery every
It leaves shutdown mesolow dc circuit breaker and has extinguishing arc condition, and disconnect blow-out, mechanical isolation switch is made to have blocking volume
Determine the ability of DC voltage, then, high-pressure electronic switch stops conducting, in high impedance status, the DC current in cutoff circuit
Circuit.At present, high voltage DC breaker both domestic and external is in development phase, there is no ripe product.Entire high voltage direct current is broken
The parts of road device are more, need that suitable mounting structure is selected to assemble dc circuit breaker, wherein, how more compact, warp
The more (PCC) power of the arrangement number of Ji becomes the difficult point of structure design.
Invention content
The present invention provides a kind of high voltage DC breaker valve tower structure of (PCC) power compact layout.
The technical solution of high voltage DC breaker valve tower structure provided by the present invention is：A kind of high voltage DC breaker valve
Tower structure is spaced along the vertical direction including multiple for the breaker (PCC) power being sequentially connected in series, multiple breaker (PCC) powers
Layered arrangement, setting interlayer support structure is to form valve tower main body, valve tower between two layers of breaker (PCC) power of arbitrary neighborhood
Body supports are arranged in the supports insulative minor structure of bottom, and valve tower structure further includes correspondence and is arranged in the valve tower main body side
Lightning arrester assembly, valve tower structure further include for the valve tower main body to be suspended in the suspension apparatus below corresponding suspention beam.
Arranged for interval has two row to the valve tower main body in the horizontal transverse direction.
The breaker (PCC) power flat bed of the valve tower main body of two row of arbitrary neighborhood or staggered floor arrangement.
The lightning arrester assembly includes the multiple arresters vertically arranged；Valve tower structure further includes to break to described
Road device (PCC) power power and by the suspension apparatus be suspended in below corresponding suspention beam send can unit, send can unit with
Lightning arrester assembly correspondence is arranged in the respective sides of the valve tower main body, lightning arrester assembly and send can unit support set respectively
It puts in side supporting insulator.
The suspension apparatus includes suspension insulator, and suspension insulator both ends are separately provided for connecting with suspention beam
Upper connection structure and lower connection structure for being connect with valve tower main body, upper connection structure and/or lower connection structure are soft
Property linkage.
The top of the valve tower main body is equipped with top barrier cover, lower section is equipped with bottom shield cover, top barrier cover and bottom
Portion's shielding case respectively by support insulator and corresponding breaker (PCC) power fixing assembling, the top barrier cover with it is described
Suspension apparatus connects.
The breaker (PCC) power includes component framework, and component framework is equipped at least one submodule unit, respectively
Submodule unit respectively includes valve cross-talk module, and there is each valve cross-talk module corresponding electrical connection to form four work(of H bridge structures
Rate device, the submodule unit have the forefront press fitting list for extending parallel in left-right direction and being spaced apart along the longitudinal direction
Member and rank rear are pressed unit, and each column press fitting unit includes being pressed fixed multiple power devices, each son successively in left-right direction
Valve cross-talk module in modular unit is disposed at least two in left-right direction, each upper bridge arm of two in the block of valve cross-talk mould
Power device is arranged in the forefront press fitting unit, the power device of two lower bridge arms is arranged in the rank rear press fitting unit
In.
Each valve cross-talk mould two power devices in the block being arranged in same row press fitting unit are adjacent, each
Valve cross-talk mould is in the block to be arranged in two power devices that forefront is pressed in unit and two be arranged in rank rear press fitting unit
Power device is corresponded in front-rear direction.
The power device is IGBT, and each column press fitting unit includes spaced apart multiple water-filled radiators and institute successively
The IGBT stated, the IGBT of IGBT and two lower bridge arm of the upper bridge arm of two in the block of each valve cross-talk mould are respectively by being folded in pair
The water-filled radiator between two IGBT is answered to be conductively connected, each upper bridge arm of two in the block of valve cross-talk mould passes through with two lower bridge arms
The bridging piece bridged between the corresponding water-filled radiator on the outside of four IGBT of the valve cross-talk module is conductively connected.
Each valve cross-talk module is corresponded on the component framework and is respectively equipped with a by-pass switch, the by-pass switch with it is right
The valve cross-talk wired in parallel arrangement answered, by-pass switch correspond to front side and/or the rear side for being arranged in the submodule unit；Each valve
Cross-talk module includes damping capacitor and/or damping resistance, and the damping capacitor and/or damping resistance of each valve cross-talk module are distinguished
It is arranged in front side and/or the rear side of the submodule unit.
The beneficial effects of the invention are as follows：In high voltage DC breaker provided by the present invention, multiple breaker (PCC) powers
It is spaced layered arrangement along the vertical direction, interlayer support structure is provided with shape between two layers of breaker (PCC) power of arbitrary neighborhood
Into valve tower main body, layered arrangement, arrangement relative compact, horizontal foot print are opposite along the vertical direction for multiple breaker (PCC) powers
It is smaller.Also, the dual reinforcement measure that valve tower main body is supported simultaneously using top suspension and bottom, can effectively improve valve tower antidetonation
Performance, meanwhile, the intensity requirement to bottom supports insulative minor structure is also reduced, and then can stack in the up-down direction more
Breaker (PCC) power.
Further, arranged for interval has at least two row to valve tower main body in the horizontal transverse direction, in this way can be according to actual needs
Arrange the position of multiple breaker (PCC) powers.Further, maintenance platform is equipped between two adjacent row valve tower main bodys, just
In personnel's operation and maintenance of equipment.Further, send can unit and lightning arrester assembly be placed in the both sides of valve tower main body, wiring phase
To simple, structure is also more compact.
Further, in breaker (PCC) power, two power devices of the upper bridge arm of the valve cross-talk module of submodule unit
Part is arranged in forefront press fitting unit, and two power devices of lower bridge arm are then arranged on rank rear press fitting unit, in this way can root
It is disposed with multiple valve cross-talk modules, the power device of all upper bridge arms of multiple valve cross-talk modules in left-right direction according to actual needs
It is crimped in unit positioned at forefront, and the power device of all lower bridge arms is then located in rank rear crimping unit, does not need to as each valve
Press mounting structure part is respectively configured in cross-talk module, and then can effectively simplify the overall structure of (PCC) power.
Further, each one by-pass switch of valve cross-talk wired in parallel can realize that the redundancy of transfer branch is set in this way
Meter, when any one valve cross-talk module breaks down, its short circuit can not be influenced other valve cross-talk modules by by-pass switch
Normal work.
Further, the damping capacitor of valve cross-talk module and damping resistance correspondence be arranged in submodule unit front side and/
Or rear side, it can facilitate realize being correspondingly connected with for damping capacitor and damping resistance and the power device of each valve cross-talk module in this way.
Description of the drawings
Fig. 1 is a kind of structure diagram of embodiment of high voltage DC breaker provided by the present invention；
Fig. 2 is the leftschematic diagram of Fig. 1；
Fig. 3 is the structure diagram of breaker (PCC) power in Fig. 1；
Fig. 4 is the front view of (PCC) power shown in Fig. 3；
Fig. 5 is the electrical schematic diagram of (PCC) power shown in Fig. 3.
Specific embodiment
Embodiments of the present invention are described further below in conjunction with the accompanying drawings.
A kind of specific embodiment of high voltage DC breaker valve tower structure of the present invention, as shown in Figures 1 to 5, the implementation
Valve tower structure in example includes multiple breaker (PCC) powers 5 for being sequentially connected in series, and multiple breaker (PCC) powers 5 are vertically
Interlayer support structure is fixedly mounted between two layers of breaker (PCC) power of arbitrary neighborhood to form valve for direction interval layered arrangement
Tower main body 300, for interlayer support structure herein specifically using interlayer support insulator 81, each valve tower main body is respectively provided with 5 layers
Breaker (PCC) power 5.In the present embodiment, arranged for interval has two row, and in phase to valve tower main body 300 herein in the horizontal transverse direction
Maintenance platform 4 is equipped between two adjacent row valve tower main bodys.
Interlayer split shielding is respectively equipped on every layer of breaker (PCC) power 5, also, in the top branch of each column valve body
Support is provided with top barrier cover 8, and top barrier cover 8 is fixed with corresponding breaker (PCC) power by top braces insulator and filled
Match.Further respectively have bottom shield cover 3 in the lower section of each column valve tower main body 300, bottom shield cover 3 by supporting insulator with it is right
The breaker (PCC) power fixing assembling answered.
Two row valve tower main bodys, 300 corresponding support herein is arranged in bottom supports insulative minor structure 6, and bottom support is exhausted
Edge minor structure 6 includes the multiple main supporting insulators 61 being vertically arranged and the corresponding oblique pull being arranged between main supporting insulator 61
Insulator 62.
In the present embodiment, lightning arrester assembly 200 is respectively equipped in the both sides of two row valve tower main bodys 300 and send energy unit 100.
Lightning arrester assembly 200 herein includes the arrester of multiple layered arrangements along the vertical direction.Energy unit 100 is sent to include multiple along upper
Sending for lower direction layered arrangement can transformer.In the present embodiment, lightning arrester assembly 200 and send can unit 100 respectively by being arranged in
The side supporting insulator 7 of 6 side of bottom supports insulative minor structure supports.Herein, by lightning arrester assembly and send can transformer point
The both sides of valve tower main body are placed in, every layer of breaker (PCC) power send energy transformer and arrester for one in parallel respectively, and electric appliance connects
Connect more convenient, integral layout is more compact.
In fact, the valve tower structure in the present embodiment further includes two valve tower main bodys being suspended under corresponding suspention beam 1
The suspension apparatus 2 of side, suspension apparatus 2 herein specifically include suspension insulator 21, and the both ends of suspension insulator 21 are respectively equipped with
Lower connection structure for the upper connection structure being connect with suspention beam 1 and for being connect with valve tower main body 300, upper connection structure and
Lower connection structure is flexure hinge mechanism.Specifically, upper connection structure can be connected in suspention beam 1, and lower connection knot
Structure is then connected on top barrier cover 8 to connect with valve tower main body 300 by top barrier cover 8.
During assembling, first ground installation indoors the bottom supports insulative minor structure 6 of valve tower main body 300 can be used to support, tool
Body can first install main supporting insulator 61, and oblique pull insulator 62 is installed between main supporting insulator 61.Then, it is supported in bottom
Bottom shield cover 3 and first layer breaker (PCC) power are installed from bottom to top successively, in first layer breaker on insulator structure 6
After (PCC) power installs, then installation interlayer supporting insulator 81 places second layer breaker (PCC) power, suitable by this
Sequence, the lamination for completing all components from bottom to top successively are placed to form a row valve tower main body, and at the top of valve tower main body 300
Top barrier cover 8 is installed.Top barrier cover 8 is after installation is complete, the setting suspention insulation between top barrier cover 8 and suspention beam 1
Son 21.Then, another row valve tower main body according to above-mentioned steps is installed again, forms the high voltage DC breaker of biserial valve tower main body.
The installation maintenance platform between two row valve tower main bodys, facilitates Field Force to safeguard, improves safe operation performance.
Two row valve tower main bodys of the high voltage DC breaker valve tower structure that the present embodiment is provided while using top suspension
With the dual structure reinforcement measure supported with bottom oblique pull, valve tower anti-seismic performance is promoted.Meanwhile supporting insulator knot can be reduced
Structure intensity requirement, valve tower vertical direction can stack more breaker (PCC) powers.
In addition, it is necessary to explanation, the (PCC) power in the embodiment includes component framework 400, cloth on component framework 400
Two submodule units 500 in left and right are equipped with, each submodule unit 500 respectively includes 8 valve cross-talk modules, each valve cross-talk mould
Block 600 is respectively provided with four power devices being correspondingly connected with to form H bridge structures, and power device herein is IGBT613, two
The valve cross-talk module 600 of submodule unit 500 is sequentially connected in series.
In fact, in the present embodiment, each submodule unit is respectively provided with along extension and along front and rear parallel in left-right direction
Forefront that direction is spaced apart press fitting unit 610 and rank rear press fitting unit 611, each column press fitting unit include in left-right direction according to
Secondary to be pressed fixed multiple IGBT613 and water-filled radiator 614 and corresponding press mounting structure, press mounting structure includes being located at both ends
Two pressing plates and the insulated tension pole that is set between two pressing plates.
The IGBT of each upper bridge arm of two in the block of valve cross-talk mould is arranged in forefront press fitting unit 610, two lower bridge arms
IGBT be arranged in rank rear press fitting unit 611 in.It is arranged in same row press fitting unit moreover, same valve cross-talk mould is in the block
Two IGBT are adjacent, and each valve cross-talk mould two IGBT in the block being arranged in forefront press fitting unit are with being arranged in rank rear press fitting
Two IGBT in unit are corresponded in front-rear direction.
Each valve cross-talk module includes four IGBT and spaced apart six water-filled radiators corresponding with four IGBT,
Four IGBT include two forefront IGBT being arranged in forefront press fitting unit 610 and two be arranged in rank rear press fitting unit
Rank rear IGBT, six water-filled radiators then include three forefront radiators being arranged in forefront press fitting unit and are arranged in rank rear
Three rank rear radiators being pressed in unit.In the present embodiment, adjacent two valve cross-talk modules share two and are located at outside
Water-filled radiator.
In fact, the forefront IGBT of bridge arm passes through the forefront between being located at two forefront IGBT on the two of each valve cross-talk module
Radiator is conductively connected, and the rank rear IGBT of two lower bridge arms is conductively connected by the rank rear radiator between being located at two rank rear IGBT.
Moreover, two forefront IGBT for being located at two forefront IGBT, two outsides of each valve cross-talk module are with being located at two rank rears
Two rank rear IGBT on the outside of IGBT are conductively connected correspondingly by bridging piece 612, to realize each hair cross-talk module
Two upper being conductively connected between bridge arm and two lower bridge arms.
Component framework herein actually includes two insulating supporting beams 62 and three aluminium supporting beams 65, two insulating supporting beams 62
Including arranged for interval along the longitudinal direction and the preceding insulating supporting beam extended parallel in left-right direction and rear insulating supporting beam, two insulation
Supporting beam includes arranged for interval and the preceding insulating supporting beam extended parallel in left-right direction and rear insulating supporting beam along the longitudinal direction,
Two insulating supporting beams are U-shaped, and three aluminium supporting beams 5 are for arranged for interval in left-right direction and along the front and rear rectangular left side extended parallel
Supporting beam, midfoot support beam and right support beam, two row press fitting units of one of submodule unit of two submodule units
It is fixedly mounted between left support beam and midfoot support beam, two row press fitting units of another submodule unit are fixedly mounted on
Between portion's supporting beam and right support beam.
In fact, each valve cross-talk module is corresponded on component framework is respectively equipped with a by-pass switch 63, which opens
Close and 63 be arranged in parallel in corresponding valve cross-talk module 600, be equipped with altogether on the component framework of the present embodiment 16 by-pass switches 63 with
It is corresponding to 16 valve cross-talk modules in two submodule units, 16 by-pass switches are corresponding be arranged in submodule unit before
Both sides afterwards.
Moreover, in fact, each valve cross-talk module includes damping capacitor 67 and damping resistance 66, each valve cross-talk module
Damping capacitor and damping resistance be arranged in the front side of submodule unit.
It can electricity to taking for valve cross-talk mould IGBT power supplies in the block in addition, being equipped on component framework in the rear side of submodule unit
Source 69, draw-out power supply 69 correspond to IGBT driving 68 in the block to valve cross-talk mould and are conductively connected to realize the driving to corresponding IGBT.
In addition, setting shielding case 61 in the outside of component framework 400, shielding case 61 is along the circumferentially-spaced uniformly distributed of component framework
Have multiple.
In the (PCC) power that the present embodiment is provided, each submodule unit is respectively provided with two row press fitting unit, to be formed
Multiple valve cross-talk modules, the IGBT correspondences that front and rear row are pressed in unit are conductively connected to form H bridges, moreover, by-pass switch, damping
Capacitance and damping resistance correspondence are arranged in front side and the rear side of submodule unit, do not influence the crimping unit extended in left-right direction
Arrangement.Entire (PCC) power is compact-sized, rationally distributed, meanwhile, it is also convenient for realizing that the correspondence of (PCC) power internal components is led
Electrical connection.
In the present embodiment, power device uses IGBT, in other embodiments, IGCT can also be used.
In the present embodiment, by-pass switch corresponds to front side and the rear side for being arranged in submodule unit, in other embodiments,
It can the only front side of submodule unit or rear side.
In the present embodiment, the damping resistance and damping capacitor of each valve cross-talk module are arranged in the front side of submodule unit,
In other embodiment, can also be arranged in submodule unit front side and rear side or be directly arranged at rear side, may be such that resistance
Buffer resistance and damping capacitor are arranged arrangement in left-right direction.
In the present embodiment, component framework is equipped with two submodule units, in other embodiments, can set a submodule
Module unit or more than two submodule units.
In the present embodiment, crimp press mounting structure in unit and application publication number can be used to crimp unit in CN104701096A
Press mounting structure, valve section crimping structure commonly used in the prior art can also be used.
In the present embodiment, the application for a patent for invention that application publication number is CN103647248A can be used in breaker (PCC) power
In high-pressure electronic switch in great-power electronic element.
In the present embodiment, two row valve tower main bodys are provided with, in other embodiments, single-row valve can be set according to actual needs
Tower main body or in three row more than valve tower main body.
In the present embodiment, the breaker (PCC) power flat bed arrangement of two adjacent row valve tower main bodys, in other embodiments,
The breaker (PCC) power of two row valve tower main bodys can also staggered floor arrangement, herein staggered floor arrangement can realize increase internal electric
The effect of distance also allows for arranging inspection platform between two row valve tower main bodys, with convenient to overhaul and installation.
In the present embodiment, interlayer support structure uses supporting insulator, and in other embodiments, interlayer support structure also may be used
By the way of interlayer stud and the cooperation of interlayer swivel nut, interlayer swivel nut can be fixedly mounted on breaker (PCC) power.
In the present embodiment, valve tower structure not only includes valve tower main body and lightning arrester assembly, is additionally provided with and send energy unit, at it
In his embodiment, sending energy unit that application publication number can be used can send and can fill for taking in CN103647537A applications for a patent for invention
It puts.
In the present embodiment, upper connection structure and lower connection structure are linkage, in other embodiments, can also be made
Connection structure or lower connection structure are linkage.
Claims (9)
1. a kind of high voltage DC breaker valve tower structure, including multiple for the breaker (PCC) power being sequentially connected in series, feature
It is：Multiple breaker (PCC) powers are spaced layered arrangement along the vertical direction, two layers of breaker (PCC) power of arbitrary neighborhood it
Between setting interlayer support structure to form valve tower main body, valve tower body supports are arranged in the supports insulative minor structure of bottom, valve tower
Structure further includes the corresponding lightning arrester assembly for being arranged in the valve tower main body side, and valve tower structure is further included for by the valve tower
Main body is suspended in the suspension apparatus below corresponding suspention beam, and the lightning arrester assembly includes vertically arranging multiple lightning-arrest
Device；Valve tower structure further includes is suspended in corresponding hang for the suspension apparatus to be powered and passed through to the breaker (PCC) power
Energy unit is sent below hanging beam, send the energy unit respective sides for being arranged in the valve tower main body corresponding with the lightning arrester assembly,
Described that energy unit is sent to send energy transformer including multiple layered arrangements along the vertical direction, every layer of breaker (PCC) power difference is simultaneously
One, connection send can transformer and arrester, lightning arrester assembly and send can unit support be arranged in side supporting insulator respectively.
2. high voltage DC breaker valve tower structure according to claim 1, it is characterised in that：The valve tower main body is in water
Flat laterally upper arranged for interval has two row.
3. high voltage DC breaker valve tower structure according to claim 2, it is characterised in that：The valve of two row of arbitrary neighborhood
Breaker (PCC) power flat bed or the staggered floor arrangement of tower main body.
4. high voltage DC breaker valve tower structure as claimed in any of claims 1 to 3, it is characterised in that：It is described
Suspension apparatus include suspension insulator, suspension insulator both ends are separately provided for the upper connection structure being connect with suspention beam
With the lower connection structure for being connect with valve tower main body, upper connection structure and/or lower connection structure are flexure hinge mechanism.
5. high voltage DC breaker valve tower structure as claimed in any of claims 1 to 3, it is characterised in that：It is described
Valve tower main body top be equipped with top barrier cover, lower section be equipped with bottom shield cover, top barrier cover and bottom shield cover difference
By support insulator and corresponding breaker (PCC) power fixing assembling, the top barrier cover connects with the suspension apparatus
It connects.
6. high voltage DC breaker valve tower structure as claimed in any of claims 1 to 3, it is characterised in that：It is described
Breaker (PCC) power include component framework, component framework is equipped at least one submodule unit, each submodule unit point
Not Bao Kuo valve cross-talk module, each valve cross-talk module has corresponding electrical connection to form four power devices of H bridge structures, described
Submodule unit has the forefront press fitting unit for extending parallel in left-right direction and being spaced apart along the longitudinal direction and rank rear press fitting
Unit, each column press fitting unit includes being pressed fixed multiple power devices successively in left-right direction, in each submodule unit
Valve cross-talk module is disposed at least two in left-right direction, the power device arrangement of each upper bridge arm of two in the block of valve cross-talk mould
It is pressed in unit in the forefront, the power device of two lower bridge arms is arranged in the rank rear press fitting unit.
7. high voltage DC breaker valve tower structure according to claim 6, it is characterised in that：Each valve cross-talk mould
Two power devices in the block being arranged in same row press fitting unit are adjacent, and each valve cross-talk mould is in the block to be arranged in forefront pressure
Two power devices in dress unit are corresponded with two power devices being arranged in rank rear press fitting unit in front-rear direction.
8. high voltage DC breaker valve tower structure according to claim 7, it is characterised in that：The power device is
IGBT, each column press fitting unit include spaced apart multiple water-filled radiators and the IGBT successively, each valve cross-talk module
In two upper bridge arms IGBT and two lower bridge arm IGBT water-coolings by being folded between corresponding two IGBT respectively
Device is conductively connected, and each two in the block upper bridge arms of valve cross-talk mould and two lower bridge arms are by bridging the four of the valve cross-talk module
The bridging piece between corresponding water-filled radiator on the outside of a IGBT is conductively connected.
9. high voltage DC breaker valve tower structure according to claim 6, it is characterised in that：It is right on the component framework
Each valve cross-talk module is answered to be respectively equipped with a by-pass switch, which arranges with corresponding valve cross-talk wired in parallel, other
Way switch corresponds to front side and/or the rear side for being arranged in the submodule unit；Each valve cross-talk module include damping capacitor and/
Or damping resistance, before the damping capacitor and/or damping resistance of each valve cross-talk module are arranged in the submodule unit
Side and/or rear side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610357836.6A CN105958407B (en) | 2016-05-26 | 2016-05-26 | A kind of high voltage DC breaker valve tower structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610357836.6A CN105958407B (en) | 2016-05-26 | 2016-05-26 | A kind of high voltage DC breaker valve tower structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105958407A CN105958407A (en) | 2016-09-21 |
| CN105958407B true CN105958407B (en) | 2018-07-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610357836.6A Active CN105958407B (en) | 2016-05-26 | 2016-05-26 | A kind of high voltage DC breaker valve tower structure |
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| CN107039955B (en) * | 2017-05-19 | 2019-02-22 | 南京南瑞继保电气有限公司 | A kind of mixed type dc circuit breaker valve arrangement of square arrangement |
| CN110854823A (en) * | 2018-08-20 | 2020-02-28 | 平高集团有限公司 | High-voltage direct-current circuit breaker |
| CN110265985A (en) * | 2019-07-19 | 2019-09-20 | 常州博瑞电力自动化设备有限公司 | A kind of equivalent valve group of dc circuit breaker |
| CN111509757B (en) * | 2020-04-03 | 2021-10-08 | 清华大学 | Isolated energy supply device and method for fully-controlled switch device |
| CN113541509B (en) * | 2021-08-19 | 2022-10-21 | 西安西电电力系统有限公司 | Flexible and straight suspension valve tower integrated with light power module |
| CN114421409B (en) * | 2022-01-27 | 2024-01-23 | 国网智能电网研究院有限公司 | Valve tower of hybrid converter |
| CN114336478B (en) * | 2022-03-09 | 2022-05-17 | 欧米勒电气有限公司 | High-voltage direct-current breaker valve tower structure and using method thereof |
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