CN204649857U - The test platform of a kind of UHV (ultra-high voltage) oidiospore wire ice-melt - Google Patents
The test platform of a kind of UHV (ultra-high voltage) oidiospore wire ice-melt Download PDFInfo
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- CN204649857U CN204649857U CN201520233334.3U CN201520233334U CN204649857U CN 204649857 U CN204649857 U CN 204649857U CN 201520233334 U CN201520233334 U CN 201520233334U CN 204649857 U CN204649857 U CN 204649857U
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- power transmission
- ice
- melt
- overhead power
- conductor
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Abstract
The utility model discloses the test platform of a kind of UHV (ultra-high voltage) oidiospore wire ice-melt, comprise one group of spaced steel tower, each described steel tower all mounts insulator, overhead power transmission split conductor is also mounted between described insulator, described overhead power transmission split conductor is in vacant state, overhead power transmission split conductor between two often adjacent steel towers all mounts a conductor spacer, also be provided with DC de-icing device in the side of described steel tower, the output terminal of DC de-icing device connects the input end of described overhead power transmission split conductor.The utility model structure is simple, small investment, easy to maintenance, do not need to transform on a large scale circuit, achieve the Miniaturization Design of deicing device capacity and volume, easy to carry, be suitable for complicated alpine terrain, the ice-melt test carrying out Multiple Type and electric pressure wire can be used in.
Description
Technical field
The utility model relates to electrical engineering technical field, particularly relates to the test platform of a kind of UHV (ultra-high voltage) oidiospore wire ice-melt.
Background technology
The safe operation of powerline ice-covering serious threat electric system, China will be at the beginning of the end of the year to 2008 in 2007, and the wire breaking and tower falling accident that the southern many provinces and cities in the whole nation cause because of sleet and snow ice weather causes massive losses to people's lives and national wealth.In order to resist the impact of ice damage, relevant research institution proposes the scheme of DC ice melting, and its ultimate principle applies big current so as to producing Joule heat at line resistance to transmission line of electricity, thus reach the object of ice-melt.But, along with modern society sharply increases the demand of electric power, grid power transmission adopts remote Large Copacity mode of movement, span between shaft tower is very large, thus the equivalent resistance between two adjacent shaft towers is very large, this has higher requirement to the capacity of deicing device, the increase of ice-melt capacity will inevitably make the weight and volume of deicing device increase, not only involve great expense, also be not easy at the scene carry, restriction by on-the-spot Special complex landform also have impact on the ability that it resists ice damage to a certain extent, therefore, conventional ultra high pressure transmission of electricity split conductor DC ice melting has some limitations.
Utility model content
The purpose of this utility model is to solve the shortcoming existed in prior art, and the test platform of a kind of UHV (ultra-high voltage) oidiospore wire ice-melt proposed.
To achieve these goals, the utility model have employed following technical scheme:
The test platform of a kind of UHV (ultra-high voltage) oidiospore wire ice-melt, it is characterized in that: comprise one group of spaced steel tower, each described steel tower all mounts insulator, overhead power transmission split conductor is also mounted between described insulator, described overhead power transmission split conductor is in vacant state, overhead power transmission split conductor between two often adjacent steel towers all mounts a conductor spacer, also be provided with DC de-icing device in the side of described steel tower, the output terminal of DC de-icing device connects the input end of described overhead power transmission split conductor.
Preferably, described conductor spacer is made up of epoxy resin, and it is a square ring texture, is respectively equipped with the fixed bar connected to described corresponding overhead power transmission split conductor at four turnings of Q-RING.
Preferably, described DC de-icing device is input voltage is 10kV voltage, and it can make the independent ice-melt of three-phase.
The utility model has the advantage of: this apparatus structure is simple, small investment, easy to maintenance, do not need to transform on a large scale circuit, achieve the Miniaturization Design of deicing device capacity and volume, easy to carry, be suitable for complicated alpine terrain, the ice-melt test carrying out Multiple Type and electric pressure wire can be used in, this device achieves oidiospore wire all insulation by conductor spacer, DC ice melting can be carried out at UHV (ultra-high voltage) oidiospore wire, the capacity reducing device can ensure the safety of test, in 500kV transmission system, the capacity of device can be reduced to 1/16 of legacy equipment.
Accompanying drawing explanation
Fig. 1 is basic structure schematic diagram of the present utility model;
Fig. 2 is conductor spacer and overhead power transmission split conductor connection diagram.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figure 1, the test platform of a kind of UHV (ultra-high voltage) oidiospore wire ice-melt that the utility model provides, it is characterized in that: comprise one group of spaced steel tower, described steel tower comprises the first steel tower 2, second steel tower 4 and the 3rd steel tower 5, described first steel tower 2, second steel tower 4 and the 3rd steel tower 5 are three base self-supporting angle steel towers, and the span between any two steel towers is 435m.
Each described steel tower all mounts insulator 7, overhead power transmission split conductor 3 is also mounted between described insulator 7, on described insulator 7 on termination steel tower, lower end mounts corresponding overhead power transmission split conductor 3, the conductors on quad bundled of the 500kV electric pressure that described overhead power transmission split conductor 3 selects Chinese Shanghai Zhong Tian aluminum steel company limited to produce, model is 4 × JLHA1/G1A-460/60 steel core aluminum alloy stranded wire, overhead power transmission split conductor 3 between two often adjacent steel towers all mounts a conductor spacer 6, by described first steel tower 2, second steel tower 4, described in the acting in conjunction of the 3rd steel tower 5 and insulator 7, overhead power transmission split conductor 3 is fixedly in vacant state, described conductor spacer 6 suppresses wire to vibrate aloft for the sub-overhead power transmission split conductor 3 of fixed splitting.
As shown in Figure 2, described conductor spacer 6 is made up of epoxy resin, change the characteristic of traditional conductors on quad bundled mutual conduction, make to adopt all insulation to design between quadripartion sub-conductor, it is a square ring texture, be respectively equipped with the fixed bar connected to described corresponding overhead power transmission split conductor 3 at four turnings of Q-RING, insulator 7 adopts the FXBW4-500/210 model composite insulator of Hao Tiantong power equipment company limited of Hejian City sound field.
DC de-icing device 1 is also provided with in the side of described steel tower, rated capacity during described DC de-icing device 1 adopts is 120MW, output-current rating is 4000A, producing maximum temperature rise is 37 DEG C, input voltage is 10kV, the output terminal of DC de-icing device 1 connects the input end of described overhead power transmission split conductor 3, and it can make the independent ice-melt of three-phase.
Principle of work of the present utility model: when extra high voltage network carries out DC ice melting, according to Fig. 1, the input end realizing the DC de-icing device 1 of UHV (ultra-high voltage) oidiospore wire ice-melt test unit of the present utility model of said structure is connected with overhead power transmission split conductor 3, DC de-icing device 1 accesses 10kV voltage, change traditional method that big current ice-melt is simultaneously provided to three-phase conducting wire, its basic thought is the independent ice-melt of three-phase, and for each phase ice-melt, line current is concentrated on a certain oidiospore wire, increase circuit thermal value and ice-melt, by switching between each split conductor, line ice coating is melted completely.According to Fig. 2, the metal conductor spacer in traditional circuit replaced by design epoxy resin conductor spacer 6, realizes all insulation of oidiospore wire.For A phase, high-pressure side and the low pressure end of DC de-icing device 1 are connected quadripartion first sub-conductor 8 and quadripartion second sub-conductor 9 respectively, carry out ice-melt to quadripartion first sub-conductor 8 and quadripartion second sub-conductor 9 simultaneously; After ice cube comes off completely on circuit, ice-melt is carried out to quadripartion the 3rd sub-conductor 10 and quadripartion the 4th sub-conductor 11, until after A phase line ice coating melts completely, carry out the ice-melt work of B phase and C phase until the ice cube on whole circuit melts away completely.Adopt this ice-melt test platform, installed capacity can be reduced to 1/16 of traditional experiment device.
Claims (3)
1. the test platform of UHV (ultra-high voltage) oidiospore wire ice-melt, it is characterized in that: comprise one group of spaced steel tower, each described steel tower all mounts insulator (7), overhead power transmission split conductor (3) is also mounted between described insulator (7), described overhead power transmission split conductor (3) is in vacant state, overhead power transmission split conductor (3) between two often adjacent steel towers all mounts a conductor spacer (6), DC de-icing device (1) is also provided with in the side of described steel tower, the output terminal of DC de-icing device (1) connects the input end of described overhead power transmission split conductor (3).
2. the test platform of a kind of UHV (ultra-high voltage) oidiospore wire according to claim 1 ice-melt, it is characterized in that: described conductor spacer (6) is made up of epoxy resin, it is a square ring texture, is respectively equipped with the fixed bar connected to described corresponding overhead power transmission split conductor (3) at four turnings of Q-RING.
3. the test platform of a kind of UHV (ultra-high voltage) oidiospore wire according to claim 1 and 2 ice-melt, is characterized in that: described DC de-icing device (1) is input voltage is 10kV voltage, and it can make the independent ice-melt of three-phase.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520233334.3U CN204649857U (en) | 2015-04-17 | 2015-04-17 | The test platform of a kind of UHV (ultra-high voltage) oidiospore wire ice-melt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520233334.3U CN204649857U (en) | 2015-04-17 | 2015-04-17 | The test platform of a kind of UHV (ultra-high voltage) oidiospore wire ice-melt |
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| Publication Number | Publication Date |
|---|---|
| CN204649857U true CN204649857U (en) | 2015-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520233334.3U Expired - Fee Related CN204649857U (en) | 2015-04-17 | 2015-04-17 | The test platform of a kind of UHV (ultra-high voltage) oidiospore wire ice-melt |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110164608A (en) * | 2019-05-15 | 2019-08-23 | 华北电力科学研究院有限责任公司 | A kind of split conductor based on the compound sub-conductor of small bore optical fiber |
-
2015
- 2015-04-17 CN CN201520233334.3U patent/CN204649857U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110164608A (en) * | 2019-05-15 | 2019-08-23 | 华北电力科学研究院有限责任公司 | A kind of split conductor based on the compound sub-conductor of small bore optical fiber |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150916 |
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| CF01 | Termination of patent right due to non-payment of annual fee |