CN202394617U - Large-power direct-current grounding resistor for flexible direct-current transmission - Google Patents
Large-power direct-current grounding resistor for flexible direct-current transmission Download PDFInfo
- Publication number
- CN202394617U CN202394617U CN201120527520XU CN201120527520U CN202394617U CN 202394617 U CN202394617 U CN 202394617U CN 201120527520X U CN201120527520X U CN 201120527520XU CN 201120527520 U CN201120527520 U CN 201120527520U CN 202394617 U CN202394617 U CN 202394617U
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- flexible
- grounding resistor
- power
- current
- mounting bracket
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Abstract
The utility model relates to a large-power direct-current grounding resistor for flexible direct-current transmission. The resistor comprises a packaged shell, a resistance element, a mounting bracket and a supporting insulator; the resistance element, the mounting bracket and the supporting insulator are all arranged in the packaged shell; and the resistance element and the supporting insulator are connected on the mounting bracket. Compared with the prior art, the large-power direct-current grounding resistor provided by the utility model has the advantages of high resistance, high voltage resistance, large power, small volume, no inductance and the like. The large-power direct-current grounding resistor can be applicable to alternating-current and direct-current systems, and is convenient to transport and field mounting due to a split type splicing structure.
Description
Technical field
The utility model relates to a kind of grounding resistor, especially relates to a kind of flexible DC power transmission high power DC grounding resistor that is used for.
Background technology
Flexible DC power transmission is to be the direct current transportation technology of new generation of core with the voltage source converter, and it adopts state-of-the-art voltage-source type converter and full control device, is the replacement upgrading of conventional direct current transportation technology.Than ac transmission and conventional direct current transportation, in transmission of power, can also regulate the AC system voltage that is attached thereto neatly.Have remarkable advantages such as controllability is better, operational mode is flexible, applicable situation is many.
On July 25th, 2011, Asia first term flexible DC power transmission demonstration project-Nanhui, Shanghai wind energy turbine set flexible DC power transmission engineering drops into commencement of commercial operation.This is that China's article one has the perfect knowledge property right, has the flexible DC power transmission circuit of world-class level, and its success puts into operation, and indicates that China is obtaining important breakthrough aspect the high-end equipment of intelligent grid.
The utility model content
The purpose of the utility model is exactly in order to overcome the defective that above-mentioned prior art exists a kind of high value to be provided, and is high withstand voltage, high-power, small size be used for flexible DC power transmission high power DC grounding resistor.
The purpose of the utility model can realize through following technical scheme:
A kind of flexible DC power transmission high power DC grounding resistor that is used for; Comprise packaged type shell, resistive element, mounting bracket and supporting insulator; Described resistive element, mounting bracket and supporting insulator all are located in the packaged type shell, and resistive element and supporting insulator are connected on the mounting bracket.
Described packaged type shell is the stainless steel cover of corrosion-resistant material, configuration shutter and resistor exhaust net on the outer cover.
The cover plate and the resistor exhaust net of the side of packaged type shell, ceiling, anti-bird protection adopt the stainless steel steel.
The top of described packaged type shell is installed into thread casing.
The bottom of described packaged type shell is provided with earth stud.
The inwall of described packaged type shell is provided with the outlet wall bushing.
Described supporting insulator is provided with two, is installed on the mounting bracket.
The direct current binding post that adopts can satisfy direct current, voltage instructions for use, and high strength, and low office puts.
Compared with prior art, the utlity model has following advantage:
(1) uses in the first at home test circuit the domestic like product that do not have.
(2) compare with other high power AC resistors: high value, high withstand voltage, high-power, small size.
(3) compare with other high power AC resistors: no inductance can be applicable in interchange and the direct current system.
(4) split type splicing structure is convenient to transportation and on-the-spot the installation.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the internal structure sketch map of the utility model.
Among the figure, 1 is that entrance bushing, 2 is that earth stud, 3 is that packaged type shell, 4 is that shutter, 5 is that resistive element, 6 is that mounting bracket, 7 is that supporting insulator, 8 is the outlet wall bushing.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is elaborated.
Embodiment
A kind of flexible DC power transmission high power DC grounding resistor that is used for; Its structure is shown in Fig. 1-2; Resistor comprises packaged type shell 3, resistive element 5, mounting bracket 6 and supporting insulator 7, and wherein, resistive element 5, mounting bracket 6 and supporting insulator 7 all are located in the packaged type shell 3; Supporting insulator 7 is provided with two, and resistive element 5 and supporting insulator 7 are connected on the mounting bracket 6.
Packaged type shell 3 is the stainless steel cover of corrosion-resistant material, configuration shutter 4 and resistor exhaust net on the outer cover.The cover plate and the resistor exhaust net of the side of packaged type shell, ceiling, anti-bird protection adopt the stainless steel steel.Be installed into thread casing 1 at the top of packaged type shell 3, the bottom is provided with earth stud 2, and the inwall of packaged type shell 3 is provided with outlet wall bushing 8.
The direct current binding post that adopts can satisfy direct current, voltage instructions for use, and high strength, the requirement that low office puts.
Claims (6)
1. one kind is used for flexible DC power transmission high power DC grounding resistor; It is characterized in that; This resistor comprises packaged type shell, resistive element, mounting bracket and supporting insulator; Described resistive element, mounting bracket and supporting insulator all are located in the packaged type shell, and resistive element and supporting insulator are connected on the mounting bracket.
2. a kind of flexible DC power transmission high power DC grounding resistor that is used for according to claim 1 is characterized in that described packaged type shell is stainless steel cover, configuration shutter and resistor exhaust net on the outer cover.
3. a kind of flexible DC power transmission high power DC grounding resistor that is used for according to claim 1 is characterized in that the top of described packaged type shell is installed into thread casing.
4. a kind of flexible DC power transmission high power DC grounding resistor that is used for according to claim 1 is characterized in that the bottom of described packaged type shell is provided with earth stud.
5. a kind of flexible DC power transmission high power DC grounding resistor that is used for according to claim 1 is characterized in that the inwall of described packaged type shell is provided with the outlet wall bushing.
6. a kind of flexible DC power transmission high power DC grounding resistor that is used for according to claim 1 is characterized in that described supporting insulator is provided with two, is installed on the mounting bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120527520XU CN202394617U (en) | 2011-12-15 | 2011-12-15 | Large-power direct-current grounding resistor for flexible direct-current transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120527520XU CN202394617U (en) | 2011-12-15 | 2011-12-15 | Large-power direct-current grounding resistor for flexible direct-current transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202394617U true CN202394617U (en) | 2012-08-22 |
Family
ID=46669524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120527520XU Expired - Fee Related CN202394617U (en) | 2011-12-15 | 2011-12-15 | Large-power direct-current grounding resistor for flexible direct-current transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202394617U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103730853A (en) * | 2013-12-27 | 2014-04-16 | 苏州市龙源电力科技股份有限公司 | Grounding resistor cabinet |
| CN103887024A (en) * | 2012-12-19 | 2014-06-25 | 上海吉泰电阻器有限公司 | Encapsulation resistor for high-voltage power transmission and distribution system |
-
2011
- 2011-12-15 CN CN201120527520XU patent/CN202394617U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103887024A (en) * | 2012-12-19 | 2014-06-25 | 上海吉泰电阻器有限公司 | Encapsulation resistor for high-voltage power transmission and distribution system |
| CN103730853A (en) * | 2013-12-27 | 2014-04-16 | 苏州市龙源电力科技股份有限公司 | Grounding resistor cabinet |
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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: 20120822 Termination date: 20151215 |
|
| EXPY | Termination of patent right or utility model |