CN205016973U - Electric current of special high voltage direct current ice -melt device converges and short circuit system - Google Patents
Electric current of special high voltage direct current ice -melt device converges and short circuit system Download PDFInfo
- Publication number
- CN205016973U CN205016973U CN201520765503.8U CN201520765503U CN205016973U CN 205016973 U CN205016973 U CN 205016973U CN 201520765503 U CN201520765503 U CN 201520765503U CN 205016973 U CN205016973 U CN 205016973U
- Authority
- CN
- China
- Prior art keywords
- ice
- collecting pipe
- short circuit
- melt
- electric current
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 21
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 21
- 239000010959 steel Substances 0.000 claims abstract description 21
- 239000004411 aluminium Substances 0.000 claims abstract description 20
- 239000004020 conductor Substances 0.000 claims abstract description 20
- 230000001681 protective effect Effects 0.000 claims description 14
- 238000009413 insulation Methods 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 abstract 3
- 230000017525 heat dissipation Effects 0.000 abstract 1
- 230000008018 melting Effects 0.000 description 8
- 238000002844 melting Methods 0.000 description 8
- 230000018109 developmental process Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 230000005855 radiation Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004870 electrical engineering Methods 0.000 description 1
- 230000033772 system development Effects 0.000 description 1
- 230000003685 thermal hair damage Effects 0.000 description 1
Landscapes
- Emergency Protection Circuit Devices (AREA)
Abstract
The utility model provides an electric current of special high voltage direct current ice -melt device converges and short circuit system, including a plurality of aluminium conductors (cable) steel -reinforced unit that converges, anodal collecting pipe is female, the negative pole collecting pipe is female, the current measurement part, overcurrent protection part and ice -melt short circuit switch, the positive output end that each aluminium conductors (cable) steel -reinforced converges the unit links to each other with the female input of anodal collecting pipe, the cathode output that each aluminium conductors (cable) steel -reinforced converges the unit links to each other with the female input of negative pole collecting pipe, the female output of anodal collecting pipe loops through the current measurement part and the overcurrent protection part is continuous with the input of ice -melt short circuit switch, the output of current measurement parts and overcurrent protection parts still links to each other with the input of ice -melt short circuit switch through a switch protection device, negative pole collecting pipe output female and ice -melt short circuit switch connects the ice -melt load respectively. This electric current converges greatly with the output current of short circuit system, can effectively solve have the multiple -limb electric current in the development of special high voltage direct current ice -melt device, converge, short circuit, insulation and heat dissipation scheduling problem.
Description
Technical field
The utility model relates to electrical engineering technical field, and the electric current being specifically related to a kind of extra-high voltage direct-current deicing device confluxes and shorting system.
Background technology
Extra-high voltage direct-current deicing device is that UHV transmission line reply ice damage provides effective ice-melt means, but extra-high voltage direct-current deicing device is because output voltage is high, electric current is large, it exports direct current and is realized by the rectification in parallel of multiple stage rectifier, and the electric current of extra-high voltage direct-current deicing device conflux with shorting system comparatively major network direct current ice melting system distinguish larger.Therefore, the electric current carrying out extra-high voltage direct-current deicing device confluxes and to study with shorting system, has important theory and technology and is worth.Home and abroad minority colleges and universities and R&D institution have carried out more research to major network DC de-icing device, but installed capacity is little, output current is little, electric current is confluxed lower with shorting system requirement, the electric current being suitable for extra-high voltage direct-current deicing device is confluxed and does not carry out effective research work with shorting system.Compared with major network direct current ice melting system, the electric current of extra-high voltage direct-current deicing device confluxes and has following difficult point with shorting system: difficult point one, electric current convergence system can realize exporting after multiple stage rectifier high voltage direct current is confluxed, and has multiple current input branch road, the large and insulating requirements high feature of output current; Difficult point two, shorting system adopts ice-melt short circuit disconnecting link to realize, and because ice melting current is large, disconnecting link needs to be equipped with special disconnecting link protective device, prevents disconnecting link from crossing cause thermal damage.Therefore, high pressure can be realized in the urgent need to carrying out, the electric current of High-current output confluxes and to study with shorting system, Problems existing in effective solution extra-high voltage direct-current ice melting system development, for the structural design of extra-high voltage direct-current ice melting system provides effective guidance with final development.
Utility model content
The technical problems to be solved in the utility model is the deficiency overcoming prior art existence, there is provided a kind of output current large, can effectively solve in the development of extra-high voltage direct-current deicing device there is multiple-limb electric current, conflux, short circuit, the problem such as insulation and heat radiation the electric current of extra-high voltage direct-current deicing device conflux and shorting system.
For solving the problems of the technologies described above, the utility model by the following technical solutions:
A kind of electric current of extra-high voltage direct-current deicing device confluxes and shorting system, comprise some steel reinforced aluminium conductor joining unit, positive pole collecting pipe is female, negative pole collecting pipe is female, current measuring members, overcurrent protection parts and ice-melt short circuit disconnecting link, the cathode output end of each steel reinforced aluminium conductor joining unit is connected with the input of positive pole collecting pipe mother, the cathode output end of each steel reinforced aluminium conductor joining unit is connected with the input of negative pole collecting pipe mother, the output of described positive pole collecting pipe mother is connected with the input of overcurrent protection parts with ice-melt short circuit disconnecting link by current measuring members successively, described current measuring members is also connected by the input of a disconnecting link protective device with ice-melt short circuit disconnecting link with the output of overcurrent protection parts, described negative pole collecting pipe output that is female and ice-melt short circuit disconnecting link connects ice-melt load respectively.
Above-mentioned electric current confluxes and shorting system, and preferably, described positive pole collecting pipe mother and negative pole collecting pipe mother are that HLGM-n × 2000A type collecting pipe is female.
Above-mentioned electric current confluxes and shorting system, and preferably, described current measuring members is DLCL-n × 2000A type current measuring members.
Above-mentioned electric current confluxes and shorting system, and preferably, described overcurrent protection parts are GLBH-n × 2000A type overcurrent protection parts.
Above-mentioned electric current confluxes and shorting system, and preferably, described disconnecting link protective device is DZBH-n × 2000A type disconnecting link protective device.
Compared with prior art, the utility model has the advantage of:
1, can realize exporting after multiple stage rectifier DC electric current confluxes, solve a difficult problem for ultra high voltage deicing device High-current output;
2, effectively can solve extra-high voltage direct-current ice melting system short circuit requirement, utilize and be furnished with the ice-melt short circuit disconnecting link system of disconnecting link protective device, can be that extra-high voltage direct-current ice-melt provides efficiently, reliable short-circuit loop;
3, can system solve in the development of extra-high voltage direct-current deicing device there is multiple-limb electric current, conflux, short circuit, the problem such as insulation and heat radiation, for development extra-high voltage direct-current ice melting system provides a kind of reliable, economic, effective electric current to conflux and shorting system.
Accompanying drawing explanation
Fig. 1 is that the electric current of the utility model extra-high voltage direct-current deicing device confluxes and the schematic diagram of shorting system.
Marginal data:
1, steel reinforced aluminium conductor joining unit; 2, positive pole collecting pipe is female; 3, negative pole collecting pipe is female; 4, current measuring members; 5, overcurrent protection parts; 6, ice-melt short circuit disconnecting link; 7, disconnecting link protective device.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figure 1, the electric current of the utility model extra-high voltage direct-current deicing device confluxes and shorting system, comprise multiple steel reinforced aluminium conductor joining unit 1, positive pole collecting pipe mother 2, negative pole collecting pipe mother 3, current measuring members 4, overcurrent protection parts 5 and ice-melt short circuit disconnecting link 6, the cathode output end of each steel reinforced aluminium conductor joining unit 1 is connected with the input of positive pole collecting pipe mother 2, the cathode output end of each steel reinforced aluminium conductor joining unit 1 is connected with the input of negative pole collecting pipe mother 3, the output of positive pole collecting pipe mother 2 is connected with the input of ice-melt short circuit disconnecting link 6 with overcurrent protection parts 5 by current measuring members 4 successively, and (also namely the output of positive pole collecting pipe mother 2 is connected with the input of current measuring members 4, the output of current measuring members 4 is connected with the input of overcurrent protection parts 5, the output of overcurrent protection parts 5 is connected with the input of ice-melt short circuit disconnecting link 6), current measuring members 4 is also connected by the input of a disconnecting link protective device 7 with ice-melt short circuit disconnecting link 6 with the output of overcurrent protection parts 5, the output of negative pole collecting pipe female 3 and ice-melt short circuit disconnecting link 6 connects ice-melt load (by ice-melt extra high voltage line) respectively.In other embodiments, the quantity of steel reinforced aluminium conductor joining unit 1 also can be more than two or four.
In the present embodiment, positive pole collecting pipe female 2 and negative pole collecting pipe female 3 adopt commercially available HLGM-n × 2000A type collecting pipe female; Current measuring members 4 adopts commercially available DLCL-n × 2000A type current measuring members; Overcurrent protection parts 5 adopt commercially available GLBH-n × 2000A type overcurrent protection parts; Disconnecting link protective device 7 adopts commercially available DZBH-n × 2000A type disconnecting link protective device.Steel reinforced aluminium conductor joining unit 1 and ice-melt short circuit disconnecting link 6 adopt LGJ-2000A shaped steel core aluminum stranded wire joining unit and DLDZ-n × 2000A type short circuit disconnecting link of State Grid Corporation of China's independent development respectively.Certainly, steel reinforced aluminium conductor joining unit 1 and ice-melt short circuit disconnecting link 6 also can adopt existing other commercially available joining unit and short circuit disconnecting link.
During work, each steel reinforced aluminium conductor joining unit 1 is a corresponding rectifier respectively, the input of each steel reinforced aluminium conductor joining unit 1 is connected with the DC output end of corresponding rectifier, the positive pole output current of all steel reinforced aluminium conductor joining unit 1 confluxes by positive pole collecting pipe mother 2, the negative pole output current of all steel reinforced aluminium conductor joining unit 1 confluxes by negative pole collecting pipe mother 3, female 2 output currents of current measuring members 4 pairs of positive pole collecting pipes are measured and provide metrical information to disconnecting link protective device 7, overcurrent protection parts 5 pairs of ultra high voltage ice melting currents are measured and are provided overcurrent protection signal for disconnecting link protective device 7, ice-melt short circuit disconnecting link 6 pairs of extra high voltage lines carry out ice-melt short circuit and form ice-melt loop.
The above is only preferred implementation of the present utility model, and protection range of the present utility model is also not only confined to above-described embodiment.For those skilled in the art, do not departing from the improvement that obtains under the utility model technical conceive prerequisite and conversion also should be considered as protection range of the present utility model.
Claims (5)
1. the electric current of an extra-high voltage direct-current deicing device confluxes and shorting system, it is characterized in that: comprise some steel reinforced aluminium conductor joining unit (1), positive pole collecting pipe mother (2), negative pole collecting pipe mother (3), current measuring members (4), overcurrent protection parts (5) and ice-melt short circuit disconnecting link (6), the cathode output end of each steel reinforced aluminium conductor joining unit (1) is connected with the input of positive pole collecting pipe mother (2), the cathode output end of each steel reinforced aluminium conductor joining unit (1) is connected with the input of negative pole collecting pipe mother (3), the output of described positive pole collecting pipe mother (2) is connected with the input of overcurrent protection parts (5) with ice-melt short circuit disconnecting link (6) by current measuring members (4) successively, described current measuring members (4) is also connected with the input of ice-melt short circuit disconnecting link (6) by a disconnecting link protective device (7) with the output of overcurrent protection parts (5), the output of described negative pole collecting pipe mother (3) and ice-melt short circuit disconnecting link (6) connects ice-melt load respectively.
2. electric current according to claim 1 confluxes and shorting system, it is characterized in that: described positive pole collecting pipe mother (2) and negative pole collecting pipe mother (3) are HLGM-n × 2000A type collecting pipe mother.
3. electric current according to claim 1 confluxes and shorting system, it is characterized in that: described current measuring members (4) is DLCL-n × 2000A type current measuring members.
4. electric current according to claim 1 confluxes and shorting system, it is characterized in that: described overcurrent protection parts (5) are GLBH-n × 2000A type overcurrent protection parts.
5. electric current according to claim 1 confluxes and shorting system, it is characterized in that: described disconnecting link protective device (7) is DZBH-n × 2000A type disconnecting link protective device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520765503.8U CN205016973U (en) | 2015-09-30 | 2015-09-30 | Electric current of special high voltage direct current ice -melt device converges and short circuit system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520765503.8U CN205016973U (en) | 2015-09-30 | 2015-09-30 | Electric current of special high voltage direct current ice -melt device converges and short circuit system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205016973U true CN205016973U (en) | 2016-02-03 |
Family
ID=55215557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520765503.8U Active CN205016973U (en) | 2015-09-30 | 2015-09-30 | Electric current of special high voltage direct current ice -melt device converges and short circuit system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205016973U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105140870A (en) * | 2015-09-30 | 2015-12-09 | 国家电网公司 | Current collecting and short circuit system of extra-high-voltage direct-current ice melting apparatus |
-
2015
- 2015-09-30 CN CN201520765503.8U patent/CN205016973U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105140870A (en) * | 2015-09-30 | 2015-12-09 | 国家电网公司 | Current collecting and short circuit system of extra-high-voltage direct-current ice melting apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203607793U (en) | Tube-bus end part sliding fitting and tube bus | |
| CN105743113B (en) | A kind of determination method of Multi-infeed HVDC transmission system harmonic instability | |
| CN105680476A (en) | Direct-current boost concentrated inversion photovoltaic power generation system | |
| CN203367934U (en) | DC deicing system | |
| CN102136725A (en) | Light direct-current transmission system topology | |
| CN203850451U (en) | Anti-corona current-carrying tool for pipe bus end, and pipe bus | |
| CN205016973U (en) | Electric current of special high voltage direct current ice -melt device converges and short circuit system | |
| CN203850442U (en) | T-connection telescoping current-carrying tool for pipe bus, and pipe bus | |
| CN104348179A (en) | Control method for light direct current transmission system | |
| CN204228890U (en) | Multichannel overhead distribution fault and locating device | |
| CN105140870A (en) | Current collecting and short circuit system of extra-high-voltage direct-current ice melting apparatus | |
| CN102244382A (en) | Novel power unit for light DC power transmission equipment | |
| CN104577926B (en) | The test platform of wire ground wire combination DC ice melting can be realized | |
| CN101436768A (en) | Power line DC ice-melting device | |
| CN203481758U (en) | Output switching system of direct current ice-melting device | |
| CN202474771U (en) | Mobile overhead ground wire direct-current de-icing system | |
| CN201918684U (en) | Ice melting device for power transmission lines | |
| CN201839219U (en) | High-voltage DC (direct current) power transmission topological structure without transformer | |
| CN204230926U (en) | A kind of power cell control system of HVDC light system | |
| CN204316048U (en) | A kind of bus duct of homophase two-way parallel conductor | |
| CN204316056U (en) | The test platform of wire ground wire combination DC ice melting can be realized | |
| CN204168177U (en) | Mesohigh three level crowbar circuit, current transformer and wind power grid-connected generating system | |
| CN203135460U (en) | Power station energy-storing system | |
| CN201904741U (en) | Photovoltaic array type lightning protection junction box | |
| CN204316047U (en) | The bus duct joint device of a kind of homophase four tunnel transition conductor in parallel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |