CN103683858A - Converter valve power unit structure - Google Patents
Converter valve power unit structure Download PDFInfo
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- CN103683858A CN103683858A CN201310690507.XA CN201310690507A CN103683858A CN 103683858 A CN103683858 A CN 103683858A CN 201310690507 A CN201310690507 A CN 201310690507A CN 103683858 A CN103683858 A CN 103683858A
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Abstract
The invention relates to a converter valve power unit structure which comprises a valve, a capacitor, a control cabinet and a framework. The control cabinet, the valve and the capacitor are sequentially arranged in the framework from front to back, the control cabinet is of a stacked structure, the valve comprises a water baffle, a top plate, AC busbars, DC busbars and a water channel, one side of the valve is provided with the water baffle, the water baffle is provided with a line passing hole, the AC busbars extend out of the bottom o the water baffle, the other side of the valve is provided with the DC busbars connected with the capacitor, and the top plate is provided with the water channel. The converter valve power unit structure has the advantages that an integrated structure is adopted, a power supply structure, a control structure and a conversion structure are connected and integrated on one framework, the structure is more compact and more attractive, the top plate for water inflowing and outflowing is provided with the water channel, water flows out of a power unit along the water channel, and accordingly operation stability and safety of equipment are greatly improved. The control cabinet is of a stacked structure, wire distributing and connecting time is effectively saved, and detachment and maintenance are more convenient to achieve.
Description
Technical field
The present invention relates to a kind of converter valve power cell structure, relate in particular to a kind of converter valve power cell structure for flexible high pressure direct current transportation field.
Background technology
The internal structure direct relation of power cell the quality of power cell performance.At present, the power cell of applying in flexible high pressure DC transmission system is mainly the static synchroballistic module of Statcom, and this inside modules structure is not quite reasonable, first, in modular design, region is divided indefinitely, and inner without waterproof measure, and water easily splashes control section; Secondly, when equipment breaks down, during problem investigation, often have more than and relate to module itself, can check together with the associated electric part of periphery, because module is to be installed on separately on valve tower, can not meet the object of dismounting simultaneously, for maintenance has brought inconvenience; Finally, because existing inside modules structure is not quite reasonable, thereby cause wiring, cabling more chaotic, the operability of wiring is not strong, has increased the time of wiring and wiring.
Summary of the invention
For overcoming the deficiencies in the prior art, the object of this invention is to provide a kind of converter valve power cell structure, simple, compact conformation, waterproof, electric parts meet to be installed simultaneously rationally distributed, the totally-enclosed integral structure of wiring convenient for assembly.
For achieving the above object, the present invention is achieved through the following technical solutions:
A converter valve power cell structure, comprises valve string, electric capacity, control cabinet, framework, sets gradually from front to back control cabinet, valve string, electric capacity in framework;
Described control cabinet is stacked structure, comprise fixed head, left plate, right plate, several fixed heads are from top to bottom fixed between left plate and right plate in stacked mode, every layer of fixed head is connected by screw with left plate, right plate respectively, the fixed head bottom of bottom and left plate, right plate form cabling space, on left plate, right plate, be equipped with flange supporting bracket, on left plate and right plate, be fixed with master control borad;
Described valve string comprises water fender, top board, AC busbar, DC busbar, water delivery tank, valve string one side is provided with water fender, water fender is provided with cable-through hole, AC busbar is stretched out by water fender bottom, valve string opposite side is provided with the DC busbar being connected with electric capacity, valve string top is fixed with top board, and top board is provided with water delivery tank.
Described fixed head is more than 3 or 3.
Described AC busbar comprises the positive busbar of AC and the negative busbar of AC, between the negative busbar of the positive busbar of AC and AC, is provided with the cushion block that insulating material is made.
Described water delivery tank bottom is provided with priming hole.
Described framework comprises upper frame, underframe, crossbeam, side shield, front apron and upper cover plate, upper frame, underframe, crossbeam form the skeleton structure of framework, underframe two ends are fixedly connected with upper frame, between underframe, by crossbeam, be fixedly connected with, skeleton structure outside is sealed by two side shields, two front aprons, two upper cover plates and a backboard, and side shield is provided with rectangle ventilation hole.
Described upper cover plate is bolted on framework.
Described front apron comprises front apron one, front apron two, and front apron one is arranged on the front bottom of framework, and front apron two is arranged on the front upper part of framework, and front apron two is provided with rectangle ventilation hole, and front apron one is made by insulating material.
Compared with prior art, the invention has the beneficial effects as follows:
1 Integration Design, by power supply, control and change of current structure articulation set, on a framework, structure is compacter, attractive in appearance;
2 divide clearer and more definite by function, once and the interior pipe burst that occurs of valve string, cause water spray, have water fender to stop, effectively controlled the direction that water disseminates, can not splash control section, in addition, on the top board of Inlet and outlet water, leak-off chute is set, when water pipe head is leaked, water can be outside leak-off chute flow to power cell, thereby has greatly improved stability and the fail safe of equipment operation.
The structure of 3 control cabinets adopts stacked structure, and every layer can independent disassembling, reduces the situation of cabling confusion, and every wire rod has own fixing shortest path, has strengthened the operability of wiring, has effectively saved the time of wiring and wiring.
4 dismountings and keep in repair more conveniently, when equipment breaks down, facilitate problem investigation; The part relevant to valve string integrated, form a unit, so not only can in not free inspection problem source, whole unit be changed, also after unit can being unloaded simultaneously, every part is checked one by one, for maintenance brings great convenience, also saved a lot of time simultaneously.
Accompanying drawing explanation
Fig. 1 is converter valve power cell structure schematic diagram.
Fig. 2 is converter valve power cell internal structure figure.
Fig. 3 is the A portion enlarged drawing of Fig. 2.
Fig. 4 is valve string structure schematic diagram.
Fig. 5 is valve string structure schematic diagram.
Fig. 6 is control cabinet structural representation.
Fig. 7 is control cabinet structural representation.
Fig. 8 is valve string and electric capacity installation diagram.
In figure: the negative busbar 21-high position of the negative positive busbar 20-DC of busbar 19-DC of the positive busbar 18-AC of 1-front apron one 2-front apron two 3-upper cover plate one 4-side shield 5-upper cover plate two 6-backboard 7-control cabinet 8-valve string 9-underframe 10-electric capacity 11-upper frame 12-cable-through hole 13-water fender 14-water delivery tank 15-top board 16-side plate 17-AC is got fixed head 24-bottom plate 25-left plate 26-right plate 27-cushion block 28-brace summer 29-hexagonal insulated column 30-master control borad 31-flange supporting bracket 32-cabling space 33-hanger 34-crossbeam in energy power supply 22-upper mounted plate 23-.
Embodiment
Below in conjunction with Figure of description, the present invention is described in detail, but should be noted that enforcement of the present invention is not limited to following execution mode.
See Fig. 1-Fig. 8, converter valve power cell is divided into three parts according to function: valve string, control cabinet, electric capacity, and the function of valve string is in whole set equipment, with topological structure, is connected, the switch change of current by controllable devices, realizes the conversion of power; Control cabinet Main Function is in equipment running process, and logic-based computing is received and sent messages with host computer in real time, and arranges, analyzes, thereby realizes the information gathering of whole unit, control and protection; Electric capacity is whole power cell power supply.
Converter valve power cell structure, comprises valve string 8, electric capacity 10, control cabinet 7, framework, sets gradually from front to back control cabinet 7, valve string 8, electric capacity 10 in framework;
Control cabinet 7 is stacked structure, comprise fixed head, left plate 25, right plate 26, several fixed heads are from top to bottom fixed between left plate 25 and right plate 26 in stacked mode, every layer of fixed head is connected by screw with left plate 25, right plate 26 respectively, the fixed head bottom of bottom and left plate 25, right plate 26 form cabling space 32, on left plate 25, right plate 26, be equipped with flange supporting bracket 31, on left plate 25 and right plate 26, be fixed with master control borad 30;
Valve string 8 comprises water fender 13, top board 15, AC busbar, DC busbar, water delivery tank 14, valve string 8 one sides are provided with water fender 13, water fender 13 is provided with cable-through hole 12, AC busbar is stretched out by water fender 13 bottoms, valve string 8 opposite sides are provided with the DC busbar 19,20 being connected with electric capacity 10, valve string 8 tops are fixed with top board 15, and top board 15 is provided with water delivery tank 14.Fixed head is more than 3 or 3.AC busbar comprises the positive busbar 17 of AC and the negative busbar 18 of AC, between the negative busbar 18 of the positive busbar 17 of AC and AC, is provided with the cushion block 27 that insulating material is made.Water delivery tank 14 bottoms are provided with priming hole.
Framework comprises upper frame 11, underframe 9, crossbeam 34, side shield 4, front apron and upper cover plate, upper frame 11, underframe 9, crossbeam 34 form the skeleton structure of framework, underframe 9 two ends are fixedly connected with upper frame 11, between underframe 9, by crossbeam 34, be fixedly connected with, skeleton structure is outside by two side shields 4, two front aprons, two upper cover plates and backboard 6 sealings, and side shield 4 is provided with rectangle ventilation hole.Upper cover plate is bolted on framework.Front apron comprises front apron 1, front apron 22, and front apron 1 is arranged on the front bottom of framework, and front apron 22 is arranged on the front upper part of framework, and front apron 22 is provided with rectangle ventilation hole, and front apron 1 is made by insulating material.
See Fig. 1, two materials of the peripheral employing of converter valve power cell are that stainless side shield 4, front apron one 1 materials are SMC plastics (creepage to prevent with the positive and negative busbar 17,18 of AC), front apron 22 materials are that stainless steel, backboard 6 and upper cover plate 1 and upper cover plate 25 materials are that stainless steel encirclement forms, both can block dust, reach again the effect of heat radiation.And the backboard 6 of afterbody links together the upper frame of framework 11 and underframe 9, make whole power cell under the support of upper and lower framework 9, form an organic whole.
See Fig. 2, on framework, (front apron place) is control cabinet 7, valve string 8, electric capacity 10 successively backward in the past, and control cabinet 7 is sitting on underframe 9, and both sides are connected with framework with 3 screws respectively; 8 two side plates 16 of valve string are connected with 2 screws respectively with two vertical beams of underframe 9; Electric capacity 10 is upper and lower respectively has two hangers 33 to be connected (see figure 3) with crossbeam 34 use screws respectively; See Fig. 7, the negative busbar 18 of the positive busbar 17 of AC that stretch out in valve string 8 left sides and AC is because the oversize rigidity of length direction is not enough, therefore between two rows, increase cushion block 27, with brace summer 28, support below, brace summer 28 is connected with underframe 9 use screws, here it should be noted that cushion block 27 and brace summer 28 materials adopt resin to make, and prevent with busbar creepage; The positive busbar 19 of DC on valve string 8 right sides is connected with six terminals of afterbody electric capacity 10 with the negative busbar 20 of DC, has formed reliable interlocking; The water fender 13 of valve string 8 has seven circular holes as cable-through hole 12, cable-through hole 12 sizes are slightly thicker than the lead-out wire of valve string 8 internal body diodes and IEGT, conveniently from hole, pass control cabinet 7 wiring with opposite, because there are many cooling water pipes valve string 8 inside, so the effect of water fender 13 is very large, can avoid pipe burst to splash the electric parts on control cabinet 7; On the top board 15 at valve string 8 tops, have water delivery tank 14, water can be caused to water delivery tank 14 for valve string 8 inner conduits and outside water-in and water-out joint when the seepage, water delivery tank 14 is provided with priming hole, the water of seepage is discharged power cell along the pipeline being connected with priming hole, flow out valve tower, can not cause excessive loss to equipment.
See Fig. 6, the structure of control cabinet 7 is comprised of five parts, be respectively upper mounted plate 22, middle fixed head 23, bottom plate 24, left plate 25, right plate 26 compositions, three fixed heads are connected with left and right side plate 26 use sunk screws with stacked form, and every layer of fixed head can be dismantled separately; A high position is got and can be fixed on control cabinet front upper by power supply 21.See Fig. 7, master control borad 30 is vertically put in control cabinet 7 backs, with four hexagonal insulated columns 29, be fixed on left and right side plate 26, electric capacity in control cabinet 7 is located in two flange supporting brackets 31 of left and right side plate 26 and back is connected with left and right side plate 26 with six screws, the cabling space 32 that before master control borad 30 and control cabinet 7, on three layers of fixed head, electric wiring just in time can be reserved with from electric capacity 10 belows passes through, and has shortened wiring path.
The present invention compares and has the following advantages with existing module:
Claims (7)
1. a converter valve power cell structure, is characterized in that, comprises valve string, electric capacity, control cabinet, framework, sets gradually from front to back control cabinet, valve string, electric capacity in framework;
Described control cabinet is stacked structure, comprise fixed head, left plate, right plate, several fixed heads are from top to bottom fixed between left plate and right plate in stacked mode, every layer of fixed head is connected by screw with left plate, right plate respectively, the fixed head bottom of bottom and left plate, right plate form cabling space, on left plate, right plate, be equipped with flange supporting bracket, on left plate and right plate, be fixed with master control borad;
Described valve string comprises water fender, top board, AC busbar, DC busbar, water delivery tank, valve string one side is provided with water fender, water fender is provided with cable-through hole, AC busbar is stretched out by water fender bottom, valve string opposite side is provided with the DC busbar being connected with electric capacity, valve string top is fixed with top board, and top board is provided with water delivery tank.
2. a kind of converter valve power cell structure according to claim 1, is characterized in that, described fixed head is more than 3 or 3.
3. a kind of converter valve power cell structure according to claim 1, is characterized in that, described AC busbar comprises the positive busbar of AC and the negative busbar of AC, between the negative busbar of the positive busbar of AC and AC, is provided with the cushion block that insulating material is made.
4. a kind of converter valve power cell structure according to claim 1, is characterized in that, described water delivery tank bottom is provided with priming hole.
5. a kind of converter valve power cell structure according to claim 1, it is characterized in that, described framework comprises upper frame, underframe, crossbeam, side shield, front apron and upper cover plate, upper frame, underframe, crossbeam form the skeleton structure of framework, underframe two ends are fixedly connected with upper frame, between underframe, by crossbeam, be fixedly connected with, skeleton structure outside is sealed by two side shields, two front aprons, two upper cover plates and a backboard, and side shield is provided with rectangle ventilation hole.
6. a kind of converter valve power cell structure according to claim 5, is characterized in that, described upper cover plate is bolted on framework.
7. a kind of converter valve power cell structure according to claim 5, it is characterized in that, described front apron comprises front apron one, front apron two, front apron one is arranged on the front bottom of framework, front apron two is arranged on the front upper part of framework, front apron two is provided with rectangle ventilation hole, and front apron one is made by insulating material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310690507.XA CN103683858A (en) | 2013-12-13 | 2013-12-13 | Converter valve power unit structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310690507.XA CN103683858A (en) | 2013-12-13 | 2013-12-13 | Converter valve power unit structure |
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| CN103683858A true CN103683858A (en) | 2014-03-26 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106559000A (en) * | 2015-09-30 | 2017-04-05 | 特变电工新疆新能源股份有限公司 | A kind of high-power compression joint type IGBT converter valve power unit structures |
| CN107359801A (en) * | 2017-08-30 | 2017-11-17 | 特变电工新疆新能源股份有限公司 | A kind of compression joint type IEGT flexible DC power transmission power models |
| CN107947220A (en) * | 2017-12-14 | 2018-04-20 | 荣信汇科电气技术有限责任公司 | A kind of split type power cell structure of easy sliding being automatically positioned |
| CN109995247A (en) * | 2019-05-13 | 2019-07-09 | 荣信汇科电气技术有限责任公司 | Split type compact tri-level inversion cellular construction based on compression joint type IEGT |
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| CN101795052A (en) * | 2009-12-25 | 2010-08-04 | 中国电力科学研究院 | Novel valve module of converter valve for high-voltage direct-current power transmission based on thyristor |
| CN101795051A (en) * | 2009-12-25 | 2010-08-04 | 中国电力科学研究院 | Valve module of thyristor current change valve used for high-voltage DC transmission |
| CN101924454A (en) * | 2010-07-16 | 2010-12-22 | 中国电力科学研究院 | A kind of thyristor converter valve module that is used for the high voltage direct current transmission |
| CN102882356A (en) * | 2012-09-19 | 2013-01-16 | 许继集团有限公司 | Hanging valve tower for converter valve |
| CN202797825U (en) * | 2012-05-31 | 2013-03-13 | 长沙有色冶金设计研究院有限公司 | High-current direct-current transmission busbar support fixing structure |
| CN203086320U (en) * | 2013-01-06 | 2013-07-24 | 荣信电力电子股份有限公司 | Power unit structure of medium-voltage inverter system |
| CN103368359A (en) * | 2012-04-11 | 2013-10-23 | 台达电子工业股份有限公司 | Converter power unit and busbar thereof |
| CN203674962U (en) * | 2013-12-13 | 2014-06-25 | 荣信电力电子股份有限公司 | Converter valve power unit structure |
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2013
- 2013-12-13 CN CN201310690507.XA patent/CN103683858A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101795052A (en) * | 2009-12-25 | 2010-08-04 | 中国电力科学研究院 | Novel valve module of converter valve for high-voltage direct-current power transmission based on thyristor |
| CN101795051A (en) * | 2009-12-25 | 2010-08-04 | 中国电力科学研究院 | Valve module of thyristor current change valve used for high-voltage DC transmission |
| CN101924454A (en) * | 2010-07-16 | 2010-12-22 | 中国电力科学研究院 | A kind of thyristor converter valve module that is used for the high voltage direct current transmission |
| CN103368359A (en) * | 2012-04-11 | 2013-10-23 | 台达电子工业股份有限公司 | Converter power unit and busbar thereof |
| CN202797825U (en) * | 2012-05-31 | 2013-03-13 | 长沙有色冶金设计研究院有限公司 | High-current direct-current transmission busbar support fixing structure |
| CN102882356A (en) * | 2012-09-19 | 2013-01-16 | 许继集团有限公司 | Hanging valve tower for converter valve |
| CN203086320U (en) * | 2013-01-06 | 2013-07-24 | 荣信电力电子股份有限公司 | Power unit structure of medium-voltage inverter system |
| CN203674962U (en) * | 2013-12-13 | 2014-06-25 | 荣信电力电子股份有限公司 | Converter valve power unit structure |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106559000A (en) * | 2015-09-30 | 2017-04-05 | 特变电工新疆新能源股份有限公司 | A kind of high-power compression joint type IGBT converter valve power unit structures |
| CN107359801A (en) * | 2017-08-30 | 2017-11-17 | 特变电工新疆新能源股份有限公司 | A kind of compression joint type IEGT flexible DC power transmission power models |
| CN107947220A (en) * | 2017-12-14 | 2018-04-20 | 荣信汇科电气技术有限责任公司 | A kind of split type power cell structure of easy sliding being automatically positioned |
| CN109995247A (en) * | 2019-05-13 | 2019-07-09 | 荣信汇科电气技术有限责任公司 | Split type compact tri-level inversion cellular construction based on compression joint type IEGT |
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Application publication date: 20140326 |