CN107039955A - A kind of mixed type dc circuit breaker valve arrangement of square arrangement - Google Patents
A kind of mixed type dc circuit breaker valve arrangement of square arrangement Download PDFInfo
- Publication number
- CN107039955A CN107039955A CN201710354949.5A CN201710354949A CN107039955A CN 107039955 A CN107039955 A CN 107039955A CN 201710354949 A CN201710354949 A CN 201710354949A CN 107039955 A CN107039955 A CN 107039955A
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- Prior art keywords
- square
- valve
- tower
- branch road
- valve tower
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
- H02H7/268—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured for dc systems
-
- 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
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- Gas-Insulated Switchgears (AREA)
Abstract
The invention discloses a kind of mixed type dc circuit breaker valve arrangement of square arrangement, it is made up of on-state branch road, current limliting branch road, power consumption branch road：Its on-state branch route the tower high-speed switch of layer distributed and constitutes square on-state bypass valve tower positioned at the on-state valve layer of the bottom, the power device valve heap of its current limliting branch route layer distributed constitutes square valve tower, its branch route arrester pickup of consuming energy constitutes the power consumption branch road tower of square structure, shared as long as above-mentioned three kinds of valve towers have on a line length or width, so that the entirety of hybrid circuit-breaker is in the square valve tower structure of specification, advantageously reduces the volume of valve tower, reduce floor space, facilitate wiring to arrange；Meanwhile, valve tower can conveniently realize two kinds of valve Room arrangements of suspention and support.
Description
Technical field
The invention belongs to dc circuit breaker, and in particular to a kind of mixed type dc circuit breaker valve arrangement of square arrangement.
Background technology
With the development of multi-terminal HVDC transmission technology, high voltage DC breaker is by as guarantee system safe and stable operation
One of key equipment.
Hybrid dc circuit breaker receives much concern as one of numerous solutions.It is former according to the work of hybrid circuit breaker
Reason, it generally comprises IGBT valves tower assembly, fast switch assemblies, on-state branch road component, bulky, and especially electric current turns the most
Move the presence of the fast switch assemblies of Primary Component so that valve tower layout is in irregular status more, and volume is big, and weight weight is unfavorable
Repair and maintenance is arranged in the inlet-outlet line in the valve Room.
CN201610357836.6 discloses a kind of dc circuit breaker valve tower structure, but it does not contain Fast mechanical switch portion
Part, is only set forth to IGBT valve modules.Valve Room arrangement in engineer applied also needs additionally to consider switch block, on-state valve layer
Occupation of land and brace foundation.The hybrid direct-current breaker topology structure of this case combination independent research by Fast mechanical switch,
IGBT valve modules tower, on-state valve layer organic assembling turn into relatively independent and inter-related valve tower, and its public side is designed so that whole
Body breaker has well-regulated outer square outline, with small, the lightweight feature of occupation of land.
The content of the invention
A kind of hybrid circuit-breaker valve arrangement of complete, regular square arrangement is provided by the present invention, it includes quick machine
Tool switch, the power device valve heap of series connection, power consumption arrester.
The mixed type high voltage DC breaker valve of the present invention, it includes transfer branch road, on-state branch road and power consumption branch road, and it is special
Levy and be：The branch road each constitutes the square valve tower of layer series structure, and each square valve tower is by sharing at least one
High voltage DC breaker valve tower of the length of side composition with regular square profile.
The subelement of the transfer branch route modularized design composition is connected in series by same layer, interlayer is connected in series mode
Constitute square valve tower；Up and down between two subelements, it is connected to each by pillar or suspension insulator between same level layer
Support frame on, its height is identical with power consumption bypass valve tower, on-state bypass valve tower, and its length and the bypass valve tower that consumes energy are identical.
The arrester subelement of the power consumption branch route modularized design composition constitutes the square valve tower of parallel overlaying structure；
Up and down between two subelements, it is connected between same level layer by pillar or suspension insulator in respective support frame；
Its height and length is identical with current limliting bypass valve tower；Its adjacent two layers potential difference is identical with flow-limiting valve tower.
The power consumption branch road square valve tower shifted described in branch road square valve tower and 3 group by way of layering is connected in parallel
Squarely current limliting bypass valve tower；Length, height, floor height, the number of plies of the 3 valve tower are consistent, and the width of flow-limiting valve tower is to turn
Move branch road square valve tower and and power consumption branch road square valve tower width sum.
The n-layer switch tower of the peaceful line position of the on-state branch route first floor on-state valve tower layer thereon constitutes n+1 layers of square valve
Tower；The first floor and n-layer have identical length size, the current limliting bypass valve tower phase described in itself and total height and claim 4
Together.
Described on-state bypass valve tower, its length is identical with the width of the square flow-limiting valve tower described in claim 4, the two
Collectively form high voltage DC breaker square valve tower outline.
The high voltage DC breaker includes at least two sets independent high pressure powering devices, respectively current limliting bypass valve tower and
On-state bypass valve tower is energized；And the high pressure powering device is located at the square throwing in ground level of the square tower of high voltage DC breaker
In the range of shadow.
The high voltage DC breaker top layout has a grading ring, and the grading ring simultaneously as on-state bypass valve tower and
Current channel between current limliting bypass valve tower.
Constitute connection bus between the overall on-state bypass valve tower of the primary cut-out valve tower, current limliting bypass valve tower,
Busbar is located inside valve tower, without departing from the square contour of breaker valve tower.
According to the present invention, the Fast mechanical switch of on-state valve layer and n-layer structure constitutes square on-state valve tower, advantageously,
On-state valve layer and each layer of high-speed switch tower have identical length, width and floor height, collectively constitute square outer with specification
The valve column structure of profile, and with the modular that expands with voltage class, by with design voltage etc. between the valve layer
The corresponding pillar of level or suspension insulator are connected on the metal framework of layer.
According to the present invention, the square flow-limiting valve tower includes the current limliting valve layer of the straight string data current limliting valve module composition of multilayer, often
Individual flow-limiting valve valve layer is connected in series by least one set of flow-limiting valve component to be constituted to realize higher voltage class, each flow-limiting valve valve
Layer is made up of to realize between higher current class, current limliting valve layer by electric with design the connection of an at least flow-limiting valve modules in parallel
The corresponding pillar of pressure grade or suspension insulator are connected on the metal framework of layer, constitute the open-ended square limit of hierarchy
Flow valve tower.
According to the present invention, the square current limliting bypass valve tower is included between the arrester tower of hierarchy, arrester layer
Be connected to by pillar corresponding with design voltage grade or suspension insulator on the metal framework of layer, constitute hierarchy can
The square arrester tower expanded, advantageously, arrester tower have and flow-limiting valve tower identical length, floor height, the number of plies, and its width will
Energy is absorbed by design to determine, further, arrester tower and flow-limiting valve the tower side of composition current limliting branch road side by side in the width direction
Shape valve tower.
On the current limliting bypass valve tower, inspection platform is provided between each layer of arrester valve tower and flow-limiting valve tower.
Each layer of the arrester valve tower, is also included as the interlayer supply unit of current limliting valve layer module energy supply.
The breaker valve tower main body is fixed on insulator structure using support or sus-pension, and insulator has phase
Same constructs and is fixed on the metal framework of breaker valve.
The breaker valve tower is also included as Fast mechanical switch, the main energy supply transformation of flow-limiting valve component hardware equipment energy supply
Device, and main energy supply transformer arrangement is within the scope of the outline of breaker valve tower.
The straight string data current limliting valve module includes the straight string data press-loading valve stacks of at least one set IGBT, and multiple above press-loading valve stacks are adopted
Connected with tandem mode, current limliting valve module is used for the diode press-loading valve stack that electric current commutates, and two poles comprising at least two groups
The quantity of pipe press-loading valve stack is twice of IGBT press-loading valve stacks, and the voltage class of diode press-loading valve stack is IGBT press-loading valve stacks
Twice, the IGBT press-loading valve stacks also include and press RCD components correspondingly with IGBT, and RCD components can be arranged in IGBT
Press-fit front and rear side or the upper and lower sides of heap, the diode press-loading valve stack is also contained in diode and presses RC components correspondingly,
RC components can be arranged in front and rear side or the upper and lower sides that diode press-fits heap.
The straight string data current limliting valve module be included as IGBT drive module energy supply energy supply coil, energize coil quantity and
IGBT is corresponded.
The IGBT press-loading valve stacks include spaced radiator, IGBT device, insulated tension pole, pressing plate, easily,
The side for installing frock additional with hydraulic pressure when it is connected is arranged in outside.
The diode press-loading valve stack includes spaced radiator, diode component, insulated tension pole, pressing plate, side
Just, the side for installing frock additional with hydraulic pressure when it is connected is arranged in outside.
The flow-limiting valve tower and arrester tower are connected to respective metal framework in same interlayer by support insulator, altogether
The current limliting bypass valve tower framework of isomorphism squarely, advantageously improves the overall anti-seismic performance of valve tower.
The on-state valve tower and current limliting bypass valve tower are connected to respective metal frame in same interlayer by support insulator
Frame, collectively forms square breaker valve tower framework, advantageously improves the overall anti-seismic performance of valve tower.
The plane of each interlayer support insulator of the dc circuit breaker valve tower and its metal framework being fixed thereon composition
It is interior, oblique pull insulator is arranged, the bulk strength and stability of structure is improved, the overall anti-seismic performance of valve tower is advantageously improved.
Brief description of the drawings
Fig. 1 gives square valve tower structure schematic diagram of the present invention；
Fig. 2 gives flow-limiting valve segment unit structure chart of the present invention；
Fig. 3 gives flow-limiting valve Rotating fields figure of the present invention；
Fig. 4 gives on-state branch road square valve tower structure figure of the present invention；
Fig. 5 gives square valve tower structure figure of the present invention；
Fig. 6 gives the structure chart of suspention form embodiment of the present invention；
Fig. 7 gives electric topology figure of the present invention；
Wherein, 1- interlayers pillar or suspension insulator, 2- interlayer oblique pull insulators, 3- diode valve components, 4- radomes, 5- gold
Belong to framework, 6- valve modules supports insulative is sub, 7- drive modules, 8-igbt valve modules, 9-RCD components, 10- flow-limiting valve segment units,
11- interconnects busbar, 12- arrester valve segment units, 13- supply units, 14- mechanical switch valve layer, 15- on-state valve layer, 16- supports
Or suspension insulator, the square on-state valve towers of 17-, the square flow-limiting valve towers of 18-.
Embodiment
Below with reference to accompanying drawing, technical scheme is described in detail.
Fig. 1 to Fig. 6 in turn, show one kind provided by the present invention and include Fast mechanical switch, on-state valve, flow-limiting valve
The complete hybrid circuit breaker embodiment of tower, arrester tower, it should be apparent that, there is the tower structure of regular square profile to make for it
It has and significantly takes up an area small, the succinct advantage of layout.
In the present embodiment, the design voltage grade of current limliting valve module is 25kV, and it is realized by the way of two groups of series connection
50kV voltage class subelements, further, the flow-limiting valve construction of same layer is using two groups of identical 50kV voltage class components
100kV current limliting valve layer is realized, as a kind of optional configuration, can be carried by the way of two groups and above flow-limiting valve modules in parallel
High current grade.As implemented shown in illustration 3.
The inlet-outlet line of current limliting valve module is located at the point midway of the diode valve heap constructed in H bridges, passes through the reasonable of copper bar
Arrangement, you can connected with the same layer for completing horizontal direction, the series winding in interlayer direction can also be completed.
With current limliting valve layer it is corresponding be the arrester valve layer with identical floor height, length, the current limliting of same layer during assembling
Valve layer and arrester valve layer are constructed simultaneously, and complete the support insulator of connection therebetween before next layer is installed, and are constituted
Firm current limliting branch road valve layer framework.
Each layer of arrester valve layer includes the IGBT power device functions that interlayer supply unit is this layer of place, the present embodiment
In, interlayer energy supply transformer is located at the side inside arrester valve layer, correspondingly, and main energy supply transformer is located at interlayer transformer
Axis direction, this causes breaker valve tower to have well-regulated overall outline.
It is connected between two adjacent current limliting branch road valve layer with pillar or suspension insulator on respective metal framework, it is real
The series winding of existing multilayer, advantageously, the arrangement of each layer oblique pull insulator will effectively strengthen integrally-built support strength and antidetonation
Ability.
Fig. 1 gives the pillar embodiment of breaker of the present invention：Pass through interlayer pillar between i.e. adjacent two layers
Insulator is connected on respective framework, meanwhile, last layer of valve layer of each square valve tower is fixed on the high-voltage strut of bottom
On insulator；It is clear that removing valve arrangement for the tower breaker of square valve of the present invention, the expansion of voltage class is to be easy to real
Existing.
Accordingly, above-mentioned square breaker valve tower can be realized by suspending embodiment in midair, i.e. interlayer support insulator, height
Pressure support insulator is replaced by interlayer suspension insulator, high voltage suspended insulator respectively, as implemented shown in illustration 7.
The above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof, although those skilled in the art
Read after the application, with reference to above-described embodiment, this present invention carries out various modifications or change, but these modifications or change are in Shen
Please pending right application of the invention it is claimed within the scope of.
Claims (8)
1. a kind of mixed type dc circuit breaker valve arrangement of square arrangement, including transfer branch road, on-state branch road and power consumption branch road, its
It is characterised by：The branch road each constitutes the square valve tower of layer series structure, and each square valve tower is by sharing at least one
High voltage DC breaker valve tower of the bar length of side composition with regular square profile.
2. a kind of mixed type dc circuit breaker valve arrangement of square arrangement as claimed in claim 1, it is characterised in that：Described turn
The subelement that the square valve tower of shifting branch road is made up of modularized design is connected in series by same layer, interlayer is connected in series mode and constituted
Square valve tower；
Respective support frame is connected to by pillar or suspension insulator between two subelements, between same level layer up and down
On, the height for shifting branch road is identical with power consumption bypass valve tower, on-state bypass valve tower, shifts the length and power consumption bypass valve tower of branch road
It is identical.
3. a kind of mixed type dc circuit breaker valve arrangement of square arrangement as claimed in claim 1, it is characterised in that：The consumption
The arrester subelement that the square valve tower of energy branch road is made up of modularized design constitutes the square valve tower of parallel overlaying structure；
Respective support frame is connected to by pillar or suspension insulator between two subelements, between same level layer up and down
On；
The height and length of power consumption branch road are identical with current limliting bypass valve tower；
The branch road adjacent two layers potential difference that consumes energy is identical with flow-limiting valve tower.
4. a kind of mixed type dc circuit breaker valve arrangement of square arrangement as claimed in claim 1, it is characterised in that：Described turn
The square valve tower of the square valve tower of branch road and the branch road that consumes energy is moved, the square of current limliting branch road is constituted by way of layering is connected in parallel
Valve tower；
Transfer branch road, length, height, floor height, the number of plies of the three square valve towers of branch road and current limliting branch road that consume energy are consistent, current limliting
The width of branch road square valve tower is transfer branch road square valve tower and and power consumption branch road square valve tower width sum.
5. a kind of mixed type dc circuit breaker valve arrangement of square arrangement as claimed in claim 1, it is characterised in that：It is described logical
The n-layer switch tower of the peaceful line position of state branch route first floor on-state valve tower layer thereon constitutes n+1 layers of square valve tower；
First floor peace line position n-layer thereon has identical length size, itself and total height and current limliting branch road square valve
Tower is identical.
6. a kind of mixed type dc circuit breaker valve arrangement of square arrangement as claimed in claim 1, it is characterised in that：Also include
At least two sets independent high pressure powering devices, respectively current limliting bypass valve tower and on-state bypass valve tower are energized；
The high pressure powering device is positioned at the square tower of high voltage DC breaker in the square drop shadow spread of ground level.
7. a kind of mixed type dc circuit breaker valve arrangement of square arrangement as claimed in claim 1, it is characterised in that：Also include
The grading ring at the top of valve arrangement is arranged at, the grading ring is used as the electricity between on-state bypass valve tower and current limliting bypass valve tower simultaneously
Circulation road.
8. a kind of mixed type dc circuit breaker valve arrangement of square arrangement as claimed in claim 1, it is characterised in that：Composition is mixed
Connection bus, busbar between the overall on-state branch road square valve tower of mould assembly dc circuit breaker valve tower, current limliting branch road square valve tower
Inside valve tower, without departing from the square contour of breaker tower.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710354949.5A CN107039955B (en) | 2017-05-19 | 2017-05-19 | A kind of mixed type dc circuit breaker valve arrangement of square arrangement |
| PCT/CN2018/090747 WO2018210352A1 (en) | 2017-05-19 | 2018-06-12 | Squarely arranged hybrid direct current circuit breaker valve structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710354949.5A CN107039955B (en) | 2017-05-19 | 2017-05-19 | A kind of mixed type dc circuit breaker valve arrangement of square arrangement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107039955A true CN107039955A (en) | 2017-08-11 |
| CN107039955B CN107039955B (en) | 2019-02-22 |
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ID=59539323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710354949.5A Active CN107039955B (en) | 2017-05-19 | 2017-05-19 | A kind of mixed type dc circuit breaker valve arrangement of square arrangement |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107039955B (en) |
| WO (1) | WO2018210352A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018210352A1 (en) * | 2017-05-19 | 2018-11-22 | 南京南瑞继保电气有限公司 | Squarely arranged hybrid direct current circuit breaker valve structure |
| CN110601115A (en) * | 2019-09-20 | 2019-12-20 | 全球能源互联网研究院有限公司 | Direct current breaker valve tower |
| EP3614562A1 (en) * | 2018-08-24 | 2020-02-26 | General Electric Technology GmbH | Electronic valve apparatus |
| CN110854823A (en) * | 2018-08-20 | 2020-02-28 | 平高集团有限公司 | High-voltage direct-current circuit breaker |
| CN113991619A (en) * | 2021-10-12 | 2022-01-28 | 平高集团有限公司 | Current transfer circuit and current transfer device for direct current circuit breaker |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107039955B (en) | 2019-02-22 |
| WO2018210352A1 (en) | 2018-11-22 |
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