CN203786151U - Support for mounting high-voltage DC line voltage divider - Google Patents
Support for mounting high-voltage DC line voltage divider Download PDFInfo
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- CN203786151U CN203786151U CN201420071896.8U CN201420071896U CN203786151U CN 203786151 U CN203786151 U CN 203786151U CN 201420071896 U CN201420071896 U CN 201420071896U CN 203786151 U CN203786151 U CN 203786151U
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- voltage divider
- support
- voltage
- cable
- photoelectric conversion
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Abstract
The utility model provides a support for mounting a high-voltage DC line voltage divider. The high-voltage DC line voltage divider comprises a voltage divider body, a photoelectric conversion module and a fault detection module. The support comprises a frame body for supporting the voltage divider body; the peripheral side of the frame body is provided with a signal box and a measurement box with an interval with the voltage divider body; the photoelectric conversion module is arranged inside the signal box; the fault detection module is arranged inside the measurement box; leading-out input signal cable of the voltage divider body is connected with the photoelectric conversion module, and the leading-out measurement cable is connected with the fault detection module. According to the support for mounting the high-voltage DC line voltage divider, the structure is simple and reasonable, a maintainer can finish fault maintenance and replacement on measurement equipment in the signal box or the measurement box in the power-on condition, the energy utilization ratio of the high-voltage DC power transmission system is improved and stability of the power grid system is improved.
Description
Technical field
The utility model relates to HVDC (High Voltage Direct Current) transmission system DC voltage measurement field, particularly relates to a kind of support of installation high-voltage DC line voltage divider.
Background technology
Hvdc transmission line voltage divider is for gathering the device of DC line voltage signal in a kind of HVDC (High Voltage Direct Current) transmission system, this voltage divider is provided with photoelectric conversion module and fault detection module, the DC line voltage signal collecting is first converted to light signal by photoelectric conversion module, be sent to far-end background monitoring system by optical cable afterwards, thereby realize relevant control function, the dependent failure signal simultaneously fault detection module being detected is sent into background monitoring system by cable, realizes the on-line monitoring to the each running status of hvdc transmission line voltage divider.
But the existing support for installation high-voltage DC line voltage divider, often only has a support body that supports voltage divider body, photoelectric conversion module, fault detection module can only be connected to voltage divider body lower end, higher and nearer apart from alive circuit apart from ground.In the time that photoelectric conversion module and fault detection module break down, maintainer can not directly carry out the work of power-on serving and replacing to it, and must after hvdc transmission line has a power failure, just can carry out, and has reduced the operation stability of HVDC (High Voltage Direct Current) transmission system.
Summary of the invention
The problem that the utility model exists for above-mentioned prior art, a kind of support of installation high-voltage DC line voltage divider has been proposed, for photoelectric conversion module and fault detection module and voltage divider body are isolated, thereby can carry out to it work of power-on serving and replacing, improve the operation stability of HVDC (High Voltage Direct Current) transmission system.
In order to solve the problems of the technologies described above, the technical solution of the utility model is as follows:
A kind of support of installation high-voltage DC line voltage divider, described hvdc transmission line voltage divider comprises voltage divider body, photoelectric conversion module and fault detection module, described support comprises the support body for supporting voltage divider body, all sides of described support body are provided with voltage divider body and keep the signal box at interval and measure case, described photoelectric conversion module is arranged in signal box, described fault detection module is arranged on to be measured in case, and described voltage divider body is drawn input signal cable and is connected, draws with photoelectric conversion module and measure cable and be connected with fault detection module.
By signalization case and measurement case, by photoelectric conversion module, fault detection module and voltage divider body are kept apart, and away from alive circuit, draw output signal optical cable from photoelectric conversion module again, draw output from fault detection module and measure cable, jointly pass in the far-end background monitoring system of network system, thereby maintainer can opening signal case or is measured case, under the condition not having a power failure, complete signal box or measure the Breakdown Maintenance of measuring equipment in case and more change jobs, can improve the energy availability of HVDC (High Voltage Direct Current) transmission system and the stability of network system.
The support of described installation high-voltage DC line voltage divider also comprises the web joint that is erected at described support body inner lower, and web joint is provided with one end and leads to ground and be fixed on the conduit on web joint.The output signal optical cable that signal box can be drawn and measure the case output of drawing and measure cable and penetrate in conduit and protects, extends the serviceable life of cable, optical cable and improves the stability of network system.
The upper end of described support is provided with the top board for fixing described voltage divider body.Can make the installation of voltage divider body more steadily, firmly.
The utility model has the advantages that: simple and reasonable for structure, photoelectric conversion module, fault detection module and voltage divider body can be kept apart, and away from alive circuit, thereby maintainer can complete signal box or measures the Breakdown Maintenance of measuring equipment in case and more change jobs under the condition not having a power failure, and can improve the energy availability of HVDC (High Voltage Direct Current) transmission system and the stability of network system; Can also protect cable, optical cable, improve its serviceable life and maintain the stability of network system; Can also make the installation of voltage divider body more steadily, firmly.
Brief description of the drawings
Fig. 1 is one of the utility model structural representation;
Fig. 2 is two of the utility model structural representation;
Fig. 3 is test box structural representation of the present utility model;
Fig. 4 is signal box structural representation of the present utility model;
Fig. 5 is the schematic diagram of support body of the present utility model, web joint and conduit;
Fig. 6 is top board structure schematic diagram of the present utility model;
Description of reference numerals: 1, input signal cable; 2, support body; 3, measure case; 4, signal box; 5, conduit; 6, measure cable; 7, output signal optical cable; 8, cable is measured in output; 9, web joint; 10, top board retaining thread hole; 11, guide hole; 12, measure case cable hole; 13, signal box lower end cable hole; 14, signal box back cable hole; 15, top board.
Embodiment
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figures 1 to 6, a kind of support of installation high-voltage DC line voltage divider, described hvdc transmission line voltage divider comprises voltage divider body, photoelectric conversion module and fault detection module, described support comprises the support body 2 for supporting voltage divider body, all sides of described support body 2 are provided with voltage divider body and keep the signal box 4 at interval and measure case 3, described photoelectric conversion module is arranged in signal box 4, described fault detection module is arranged on to be measured in case 3, described voltage divider body is drawn input signal cable 1 and is connected with photoelectric conversion module, drawing measurement cable 6 is connected with fault detection module.
Described photoelectric conversion module is drawn output signal optical cable 7, described fault detection module is drawn output and measured cable 8, jointly passes in the far-end background monitoring system of network system.
The support of described installation high-voltage DC line voltage divider also comprises the web joint 9 that is erected at described support body 2 inner lower, and web joint 9 is provided with one end and leads to ground and be fixed on the conduit 5 on web joint 9.
The upper end of described support is provided with the top board 15 for fixing described voltage divider body.
Describe below in conjunction with the actual conditions in application process.
As Fig. 6, the top board retaining thread hole 10 of 12 rounded arrangements can be set on top board 15, voltage divider body is threaded with top board 15 by the bolt of 12 couplings, thus fixed potentiometer body.
Measuring case 3 and signal box 4 all can adopt metal material to make, wherein measure case 3 be welded on support body 2 wherein one side on, and this face is considered as to the front of support body 2, can arrange 4 in the lower end of measuring case 3 and measure case cable hole 12, measure cable 8 and introduce the measurement cable 6 of measuring case 3 from voltage divider body for the fixing output through conduit 5; Signal box 4 is welded on the another side of support body 2, cable hole, 1 signal box lower end 13 can be established in its lower end, for the fixing output signal optical cable 7 through conduit 5, cable hole, 2 signal box backs 14, the input signal cable 1 of drawing for fixed potentiometer body can be established in its back.The quantity of measuring cable 8 and output signal optical cable 7 with output is corresponding, web joint 9 is connected with support body 2, and two row's guide holes 11 are set on web joint 9, three of every rows, for A/C 5, and conduit 5 adopts metal material, through welding after the guide hole 11 on web joint 9, thereby conduit 5 is fixed in the guide hole 11 of web joint 9, and when conduit 5 installs simultaneously, one corrects can implant ground.
After voltage divider body is arranged on top board 15; draw two input signal cables 1; through cable hole, two signal box backs 14; be connected with the photoelectric conversion module in signal box 4; photoelectric conversion module is drawn an output signal optical cable 7 from cable hole, signal box lower end 13 again; and through after a conduit 5 wherein, through underground cable duct layer, relevant information is sent in the far-end background monitoring system of the compositions such as DC protection system, utmost point control system, DC filter protection system and used as switching value input signal.Simultaneously, voltage divider body is also by the primary side voltage collecting from DC line pipe mother, be sent in the fault detection module of measuring in case 3 by measuring cable 6, wherein on can side one of this measurement cable 6 measures case cable hole 12(as shown in Figure 3) penetrate and measure case 3; Afterwards; fault detection module is drawn three outputs from remaining three measurement case cable hole 12 side by side and is measured cables 8; and pass in three conduits 5 on same row, then pass through cable duct floor (underground) and respectively the primary side voltage collecting is sent in the far-end background monitoring systems such as the DC protection system of master control building (indoor), utmost point control system, DC filter protection system and used as analog input signal.
When in described measurement case 3 or signal box 4 when arbitrary measuring equipment fault, it measures cable 8 by output or output signal optical cable 7 is sent into DC protection system in master control building (indoor), can there is corresponding failure in the voltage analog of utmost point control system or DC filter protection system or plant failure switching value, affect the normal operation of this system, now, owing to measuring case 3 or signal box 4 and the isolation of voltage divider body, maintainer can measure case 3 or signal box 4 by opening, under the condition not having a power failure, complete the Breakdown Maintenance to measuring measuring equipment in case 3 or signal box 4 and more change jobs, thereby the energy availability of HVDC (High Voltage Direct Current) transmission system and the stability of network system are improved.
The utility model is simple and reasonable for structure, photoelectric conversion module, fault detection module and voltage divider body can be kept apart, and away from alive circuit, thereby maintainer can complete signal box or measures the Breakdown Maintenance of measuring equipment in case and more change jobs under the condition not having a power failure, and can improve the energy availability of HVDC (High Voltage Direct Current) transmission system and the stability of network system; Can also guard signal cable, measure optical cable, improve its serviceable life and maintain the stability of network system; Can also make the installation of voltage divider body more steadily, firmly.
Above-listed detailed description is illustrating for one of the utility model possible embodiments, this embodiment is not in order to limit the scope of the claims of the present utility model, allly do not depart from the equivalence that the utility model does and implement or change, all should be contained in the scope of the claims of this case.
Claims (3)
1. the support of an installation high-voltage DC line voltage divider, described hvdc transmission line voltage divider comprises voltage divider body, photoelectric conversion module and fault detection module, described support comprises the support body for supporting voltage divider body, it is characterized in that, all sides of described support body are provided with voltage divider body and keep the signal box at interval and measure case, described photoelectric conversion module is arranged in signal box, described fault detection module is arranged on to be measured in case, described voltage divider body is drawn input signal cable and is connected with photoelectric conversion module, drawing measurement cable is connected with fault detection module.
2. the support of installation high-voltage DC line voltage divider according to claim 1, is characterized in that, also comprises the web joint that is erected at described support body inner lower, and web joint is provided with one end and leads to ground and be fixed on the conduit on web joint.
3. the support of installation high-voltage DC line voltage divider according to claim 1 and 2, is characterized in that, the upper end of described support is provided with the top board for fixing described voltage divider body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420071896.8U CN203786151U (en) | 2014-02-19 | 2014-02-19 | Support for mounting high-voltage DC line voltage divider |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420071896.8U CN203786151U (en) | 2014-02-19 | 2014-02-19 | Support for mounting high-voltage DC line voltage divider |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203786151U true CN203786151U (en) | 2014-08-20 |
Family
ID=51322325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420071896.8U Expired - Fee Related CN203786151U (en) | 2014-02-19 | 2014-02-19 | Support for mounting high-voltage DC line voltage divider |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203786151U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108512153A (en) * | 2018-04-03 | 2018-09-07 | 中国南方电网有限责任公司超高压输电公司昆明局 | A kind of divider holder for different structure DC bus |
-
2014
- 2014-02-19 CN CN201420071896.8U patent/CN203786151U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108512153A (en) * | 2018-04-03 | 2018-09-07 | 中国南方电网有限责任公司超高压输电公司昆明局 | A kind of divider holder for different structure DC bus |
| CN108512153B (en) * | 2018-04-03 | 2020-03-31 | 中国南方电网有限责任公司超高压输电公司昆明局 | Voltage divider bracket for direct current buses with different structures |
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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: 20140820 Termination date: 20150219 |
|
| EXPY | Termination of patent right or utility model |