CN204859000U - Direct current change of current valve that a style of calligraphy valve layer was arranged - Google Patents
Direct current change of current valve that a style of calligraphy valve layer was arranged Download PDFInfo
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- CN204859000U CN204859000U CN201520566290.6U CN201520566290U CN204859000U CN 204859000 U CN204859000 U CN 204859000U CN 201520566290 U CN201520566290 U CN 201520566290U CN 204859000 U CN204859000 U CN 204859000U
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Abstract
The utility model discloses a direct current change of current valve that a style of calligraphy valve layer was arranged, every valve layer all includes two tandem arrangement's first valve module and second valve module, first valve module includes first reactor, first thyristor subassembly and second reactor, second valve module includes third reactor, second thyristor subassembly and fourth reactor, first reactor, first thyristor subassembly, second reactor, third reactor, second thyristor subassembly and fourth reactor are established ties in proper order, first thyristor subassembly and second thyristor subassembly are a style of calligraphy to be arranged, forms first range line, first reactor, second reactor, third reactor and fourth reactor also are a style of calligraphy and arrange formation second range line, first range line and second range line parallel. The utility model discloses anti -seismic performance is strong, has reduced the projected area on whole valve layer greatly.
Description
Technical field
The utility model relates to power electronics and technical field of power systems, particularly relates to the DC converter valve that a kind of yi word pattern valve layer is arranged.
Background technology
The DC converter valve that yi word pattern valve layer is arranged is the critical component of high voltage direct current transmission, and physical size is comparatively huge, and during operation, hundreds of kV voltage need be born in its two ends, and is in and frequently turns on and off in process; Single commercial power electronic device is withstand voltage is up to 8.5kV at present, therefore needs tens even nearly hundred grades of Thyristors in series, the DC converter valve that thyristors of these series connection divide multisectional multilayer to distribute in space to form yi word pattern valve layer to arrange.In order to meet shockproof requirements, in interlayer and layer electrically and physical connection design particularly important.The DC converter valve that direct current yi word pattern valve layer is arranged adopts overhung construction usually, and overall mentality of designing is that the suspension system of DC converter valve yi word pattern valve layer arranged designs as a flexiblesystem.
Run the interior mode usually adopting two valve module series connection of a valve layer of the DC converter valve that yi word pattern valve layer is arranged at present, each valve module internal reactance device assembly and thyristor assembly adopt straight serial connection layout.When two valve modules adopt U-shaped structures in series, owing to needing to ensure enough insulation distances between two valve modules, cause valve layer wider; And when two valve modules adopt yi word pattern structures in series, due to all straight layouts in yi word pattern of all component in valve layer, cause valve layer longer.Excessive length or the size of width to the valve Room propose higher requirement, cause valve Room floor space bigger than normal.
Utility model content
For solving existing Problems existing, the DC converter valve that the utility model provides a kind of yi word pattern valve layer to arrange, the DC converter valve that this yi word pattern valve layer is arranged reduces the width of valve layer, finally substantially reduce the projected area of whole valve layer, for the floor space of saving the whole valve Room, there is important effect.
For realizing above-mentioned technical purpose, the technical scheme that the utility model is taked is: the DC converter valve that yi word pattern valve layer is arranged, comprises the top barrier cover connected successively, at least two valve layer and bottom shield cover from top to bottom; Between described at least two valve layer, stacked on top of one another is arranged; Suspended in midair by layer insulation between the superiors' valve layer with top barrier cover and be connected; Also suspended in midair by layer insulation between orlop valve layer with bottom shield cover and be connected; Also comprise the cooling water pipe outside the DC converter valve being looped around yi word pattern valve layer layout; It is characterized in that: each valve layer includes the first valve module and second valve module of two arranged in series; Described first valve module comprises the first reactor, the first thyristor assembly and the second reactor; Described second valve module comprises the 3rd reactor, the second thyristor assembly and the 4th reactor; Described first reactor, the first thyristor assembly, the second reactor, the 3rd reactor, the second thyristor assembly and the 4th reactor are connected successively; Described first thyristor assembly and the second thyristor assembly are yi word pattern arrangement, form first row alignment; Also in yi word pattern, arrangement forms second row alignment for described first reactor, the second reactor, the 3rd reactor and the 4th reactor; First row alignment and second row alignment parallel.
As the technical scheme that the utility model improves further, the lower floor's valve layer in described neighbouring two-layer valve layer is connected in adjacent upper strata valve layer by least four insulator suspentions.
As the technical scheme that the utility model improves further, described first thyristor assembly and the second thyristor assembly are all fixed on the insulation crossbeam in valve layer.Direct electrical connection is there is not between first thyristor assembly and the second thyristor assembly.
As the technical scheme that the utility model improves further, described first reactor, the second reactor, the 3rd reactor and the 4th reactor are all fixed on the insulation crossbeam in valve layer, wherein the first reactor and the second reactor are connected to the two ends of the first thyristor assembly respectively by the first busbar and the second busbar, and the 3rd reactor and the 4th reactor are connected to the two ends of the second thyristor assembly respectively by the 3rd busbar and the 4th busbar.
As the technical scheme that the utility model improves further, be connected by the 5th busbar between the second reactor and the 3rd reactor.
As the technical scheme that the utility model improves further, described in state cooling water pipe and be made up of the water inlet pipe be connected and outlet pipe; Water inlet pipe and outlet pipe be arranged in parallel.
As the technical scheme that the utility model improves further, cooling water pipe is looped around the outward flange of valve layer.
As the technical scheme that the utility model improves further, adjacent realizes electrical connection by the busbar of mitered between two valve layer up and down.
As the technical scheme that the utility model improves further, the two ends of the busbar of mitered are connected on the connection busbar of the first reactor and the 4th reactor in two adjacent valve layer.
As the technical scheme that the utility model improves further, the DC converter valve that described yi word pattern valve layer is arranged also is provided with at least two for laying the cable duct of optical cable.
The beneficial effects of the utility model are, in the DC converter valve valve layer that described yi word pattern valve layer is arranged, each valve module all adopts thyristor assembly and reactor to be divided into the parallel arrangement of two row, then by two valve modules along thyristor orientation arranged in series, the center of gravity of whole valve layer is made to be positioned at geometric center by the reasonable Arrangement of equipment in valve layer, on the basis ensureing valve layer suspention stability, both the length of whole valve layer had been shortened, simultaneously because avoid the insulation distance problem between two valve module head and the tail, reduce the width of valve layer, finally substantially reduce the projected area of whole valve layer, for the floor space of saving the whole valve Room, there is important effect.
Accompanying drawing explanation
Fig. 1 is the structural representation after the utility model removes top barrier cover.
Fig. 2 is the structural representation of single valve layer of the present utility model.
Fig. 3 is the electrical connection schematic diagram of single valve layer of the present utility model.
Embodiment
Embodiment 1
See Fig. 1, Fig. 2 and Fig. 3, the DC converter valve that this yi word pattern valve layer is arranged, comprises the top barrier cover connected successively, at least two valve layer and bottom shield cover from top to bottom; Between described at least two valve layer, stacked on top of one another is arranged; Suspended in midair by layer insulation 5 between the superiors' valve layer with top barrier cover and be connected; Also suspended in midair by layer insulation 5 between orlop valve layer with bottom shield cover and be connected; Also comprise the cooling water pipe outside the DC converter valve being looped around yi word pattern valve layer layout; Cooling water pipe is annular conduit, and the water route realized between different valve layer by annular conduit is connected; Each valve layer includes the first valve module 11 and the second valve module 12 of two arranged in series; Described first valve module 11 comprises the first reactor 21, first thyristor assembly 25 and the second reactor 22; Described 2nd valve module comprises the 3rd reactor 23, second thyristor assembly 26 and the 4th reactor 24; Described first reactor 21, first thyristor assembly 25, second reactor 22, the 3rd reactor 23, second thyristor assembly 26 and the 4th reactor 24 are connected successively; Described first thyristor assembly 25 and the arrangement in yi word pattern of the second thyristor assembly 26, form first row alignment; The also arrangement in yi word pattern of described first reactor 21, second reactor 22, the 3rd reactor 23 and the 4th reactor 24, forms second row alignment; First row alignment and second row alignment parallel.
Lower floor's valve layer in described neighbouring two-layer valve layer is by least four insulation, and 5 suspentions are connected in adjacent upper strata valve layer.Described first thyristor assembly 25 and the second thyristor assembly 26 are all fixed on the insulation crossbeam 41 in valve layer.Direct electrical connection is there is not between first thyristor assembly 25 and the second thyristor assembly 26.Described first reactor 21, second reactor 22, the 3rd reactor 23 and the 4th reactor 24 are all fixed on the insulation crossbeam 41 in valve layer, wherein the first reactor 21 and the second reactor 22 are connected to the two ends of the first thyristor assembly 25 respectively by the first busbar 61 and the second busbar 62, and the 3rd reactor 23 and the 4th reactor 24 are also connected to the two ends of the second thyristor assembly 26 respectively by the 3rd busbar 63 and the 4th busbar 64.Be connected by the 5th busbar 31, to realize the electrical connection between the first valve module 11 and the second valve module 12 between second reactor and the 3rd reactor.Described cooling water pipe of stating is made up of the water inlet pipe be connected and outlet pipe; Water inlet pipe and outlet pipe be arranged in parallel.Cooling water pipe is looped around the outward flange of valve layer.Adjacent realizes electrical connection by the busbar of mitered between two valve layer up and down.The two ends of the busbar of mitered are connected on the connection busbar of the first reactor and the 4th reactor in two adjacent valve layer.The DC converter valve that described yi word pattern valve layer is arranged also is provided with at least two for laying the cable duct of optical cable.
Preferably, in the present embodiment, the DC converter valve that in the present embodiment 1, yi word pattern valve layer is arranged comprises four valve layer of stacked on top of one another, the first valve layer 1 respectively, second valve layer 2, 3rd valve layer 3 and the 4th valve layer 4, as shown in Figure 1, 8 insulators 5 that adopt between valve layer up and down adjacent in the DC converter valve that yi word pattern valve layer is arranged carry out suspention connection, 8 insulators are the first insulator 51 respectively, second insulator 52, 3rd insulator 53, 4th insulator 54, 5th insulator 55, 6th insulator 56, 7th insulator 57 and the 8th insulator 58, after adopting insulator 5 to suspend valve layer in midair, the DC converter valve that whole yi word pattern valve layer is arranged forms a flexiblesystem from top to bottom, when running into the strong External Force Acting such as earthquake, valve layer can swing within the specific limits and be unlikely to damage overall structure, the DC converter valve that after the strong external force such as earthquake disappears, yi word pattern valve layer is arranged can continue to run.
The electrical connection schematic diagram of single valve layer as shown in Figure 3, totally two valve modules and four reactors, as shown in Figure 2, arrange its arrangement, is all fixed on insulation crossbeam 41 by the first valve module 11 and the second valve module 12 serial.Each valve module by a first thyristor assembly 25 or the second thyristor assembly 26 and the first reactor 21, second reactor 22 or the 3rd reactor 23, the 4th reactor 24 form the first reactor 21, second reactor 22, the 3rd reactor 23, the 4th reactor 24 series connection direction be that yi word pattern arranges, and arrange with thyristor assembly is parallel, the benefit done like this is the length shortening whole valve module; In the first valve module 11 or the second valve module 12, two reactors 21,22 or 23,24 are connected to the two ends of the first thyristor assembly 25 or the second thyristor assembly 26 respectively by the first busbar 61, second busbar 62 or the 3rd busbar 63, the 4th busbar 64, the electrical connection between two valve modules is formed with the 5th busbar 31 short circuit between first valve module 11 and the second valve module 12, the benefit done like this is that in whole valve layer, two valve modules are connected in series in head and the tail, there is not the Insulation Problems between head and the tail in U-shaped structure, reduce the width of whole valve layer.
As shown in Figure 1, at least two cooling water pipes are arranged between the upper and lower valve layer of DC converter valve that described yi word pattern valve layer is arranged, here the structure that two cooling water pipes 71 and 72 are arranged ringwise along multiple valve layer is adopted, specific implementation method is: be divided into several horizontal segments and oblique pull section around water pipe, the water pipe that wherein each valve layer all has three sections to be positioned at horizontal plane is looped around the outside on wherein three limits of each valve layer, also have one section of oblique pull water pipe to be responsible for the horizontal water tube connecting adjacent valve layer, when two cooling water pipes are set usually one be water inlet pipe, another root is outlet pipe.In FIG, if cooling water pipe 71 be water inlet pipe, cooling water pipe 72 is outlet pipe, otherwise if cooling water pipe 72 be water inlet pipe, cooling water pipe 71 is outlet pipe.Water inlet pipe and water outlet pipe is all arranged on outside the DC converter valve of yi word pattern valve layer layout, can not spray the electronic component in valve layer on the one hand, being convenient to the installation and repairing of water pipe on the other hand when there is leakage accident.
As shown in Figure 1, at least two cable ducts are arranged between the upper and lower valve layer of DC converter valve that yi word pattern valve layer is arranged, here to adopt two cable ducts 81,82 at valve tower two, trigger and supervision approach for semiconductor device in the DC converter valve that yi word pattern valve layer is arranged provides.
In sum, flexibly connected by suspention realization between different valve layer in the DC converter valve that the yi word pattern valve layer described in the utility model embodiment 1 is arranged, anti-seismic performance is strong; In valve layer, two valve modules adopt yi word pattern arranged in series, and each valve module internal reactance device and thyristor assembly are divided into two row to arrange, substantially reduce the projected area of whole valve layer.
The above; be only preferred embodiment of the present utility model, be not intended to limit protection range of the present utility model, every technological thought according to the utility model proposes; any change that technical scheme basis is done, all falls within the utility model protection range.
Claims (10)
1. a DC converter valve for yi word pattern valve layer layout, comprises the top barrier cover connected successively, at least two valve layer and bottom shield cover from top to bottom; Between described at least two valve layer, stacked on top of one another is arranged; Suspended in midair by layer insulation between the superiors' valve layer with top barrier cover and be connected; Also suspended in midair by layer insulation between orlop valve layer with bottom shield cover and be connected; Also comprise the cooling water pipe outside the DC converter valve being looped around yi word pattern valve layer layout; The water route realized between different valve layer by annular conduit is connected; It is characterized in that: each valve layer includes the first valve module and second valve module of two arranged in series; Described first valve module comprises the first reactor, the first thyristor assembly and the second reactor; Described second valve module comprises the 3rd reactor, the second thyristor assembly and the 4th reactor; Described first reactor, the first thyristor assembly, the second reactor, the 3rd reactor, the second thyristor assembly and the 4th reactor are connected successively;
Described first thyristor assembly and the second thyristor assembly are yi word pattern arrangement, form first row alignment;
Also in yi word pattern, arrangement forms second row alignment for described first reactor, the second reactor, the 3rd reactor and the 4th reactor;
First row alignment and second row alignment parallel.
2. the DC converter valve of yi word pattern valve layer layout according to claim 1, is characterized in that: the lower floor's valve layer in described neighbouring two-layer valve layer is connected in adjacent upper strata valve layer by least four insulators suspentions.
3. the DC converter valve of yi word pattern valve layer layout according to claim 2, is characterized in that: described first thyristor assembly and the second thyristor assembly are all fixed on the insulation crossbeam in valve layer.
4. the DC converter valve of yi word pattern valve layer layout according to claim 3, it is characterized in that: described first reactor, the second reactor, the 3rd reactor and the 4th reactor are all fixed on the insulation crossbeam in valve layer, wherein the first reactor and the second reactor are connected to the two ends of the first thyristor assembly respectively by the first busbar and the second busbar, and the 3rd reactor and the 4th reactor are connected to the two ends of the second thyristor assembly respectively by the 3rd busbar and the 4th busbar.
5. the DC converter valve of yi word pattern valve layer layout according to claim 4, be is characterized in that: be connected by the 5th busbar between the second reactor and the 3rd reactor.
6. the DC converter valve that the yi word pattern valve layer according to any one of Claims 1 to 5 is arranged, is characterized in that: described cooling water pipe is made up of the water inlet pipe be connected and outlet pipe; Water inlet pipe and outlet pipe be arranged in parallel.
7. the DC converter valve that the yi word pattern valve layer according to any one of claim 6 is arranged, is characterized in that: cooling water pipe is looped around the outward flange of valve layer.
8. the DC converter valve that the yi word pattern valve layer according to any one of Claims 1 to 5 is arranged, is characterized in that: adjacent realizes electrical connection by the busbar of mitered between two valve layer up and down.
9. the DC converter valve of yi word pattern valve layer layout according to claim 8, is characterized in that: the two ends of the busbar of mitered are connected on the connection busbar of the first reactor and the 4th reactor in two adjacent valve layer.
10. the DC converter valve that the yi word pattern valve layer according to any one of claim 1-5 is arranged, is characterized in that: the DC converter valve that described yi word pattern valve layer is arranged also is provided with at least two for laying the cable duct of optical cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520566290.6U CN204859000U (en) | 2015-07-30 | 2015-07-30 | Direct current change of current valve that a style of calligraphy valve layer was arranged |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520566290.6U CN204859000U (en) | 2015-07-30 | 2015-07-30 | Direct current change of current valve that a style of calligraphy valve layer was arranged |
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| Publication Number | Publication Date |
|---|---|
| CN204859000U true CN204859000U (en) | 2015-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520566290.6U Active CN204859000U (en) | 2015-07-30 | 2015-07-30 | Direct current change of current valve that a style of calligraphy valve layer was arranged |
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| CN (1) | CN204859000U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105024563A (en) * | 2015-07-30 | 2015-11-04 | 南京南瑞继保电气有限公司 | Direct current converter valve with linear valve layer arrangement |
| CN109165393A (en) * | 2018-02-06 | 2019-01-08 | 中国西电电气股份有限公司 | A kind of HVDC change of current valve body cooling structure and its cooling system and simulating analysis |
| WO2021042800A1 (en) * | 2019-09-03 | 2021-03-11 | 许继电气股份有限公司 | Valve tower for flexible direct-current converter valve |
-
2015
- 2015-07-30 CN CN201520566290.6U patent/CN204859000U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105024563A (en) * | 2015-07-30 | 2015-11-04 | 南京南瑞继保电气有限公司 | Direct current converter valve with linear valve layer arrangement |
| CN109165393A (en) * | 2018-02-06 | 2019-01-08 | 中国西电电气股份有限公司 | A kind of HVDC change of current valve body cooling structure and its cooling system and simulating analysis |
| WO2021042800A1 (en) * | 2019-09-03 | 2021-03-11 | 许继电气股份有限公司 | Valve tower for flexible direct-current converter valve |
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