CN210201726U - Flexible direct-current conversion valve tower - Google Patents
Flexible direct-current conversion valve tower Download PDFInfo
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- CN210201726U CN210201726U CN201921169455.0U CN201921169455U CN210201726U CN 210201726 U CN210201726 U CN 210201726U CN 201921169455 U CN201921169455 U CN 201921169455U CN 210201726 U CN210201726 U CN 210201726U
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- direct current
- valve tower
- flexible direct
- current valve
- shock absorber
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Abstract
The utility model provides a gentle straight change valve tower, this gentle straight change valve tower includes: a plurality of metal frameworks, a plurality of post insulators, a plurality of bumper shock absorbers and offshore platform, wherein: the flexible direct current valve tower is of a multilayer structure, and the plurality of metal frames and the plurality of post insulators are arranged together at intervals in the vertical direction; the post insulator is arranged on the offshore platform through the shock absorber. The utility model discloses can reduce gentle straight change of current valve in shipping process and the vibrations that the operation in-process received effectively to guarantee gentle straight change of current valve steady operation under various states effectively.
Description
Technical Field
The utility model belongs to the field of oil gas field development, especially, indicate viscous crude exploitation technical field, concretely relates to gentle straight change of current valve tower.
Background
Flexible direct current transmission systems (VSC-HVDC) are a new generation of direct current transmission systems based on voltage source converters. The flexible direct current converter adopts full-control power devices (such as IGBT, IEGT and the like), and can adjust the amplitude and the phase angle of the voltage at the alternating current side of the converter, thereby realizing the independent control of active power and reactive power, greatly enhancing the flexibility of power transmission, and effectively solving the inherent defects of the traditional high-voltage direct current transmission (LCC-HVDC) system, such as: the inverter side has the problems of phase commutation failure, incapability of transmitting power to a passive system load and the like, and can be applied to large-capacity and long-distance offshore wind power plant transmission.
At present, a plurality of land flexible direct current transmission projects are built in China, but the offshore wind power plant flexible direct current transmission is still blank at home. In the marine flexible direct current converter valve shipping process, the converter valve can seriously swing and incline, or the flexible direct current converter valve of an offshore platform is influenced by environmental factors such as sea waves and wind when in operation, the flexible direct current converter valve can vibrate on the platform, and how to ensure the safety of the converter valve when vibrating becomes a key problem for the development of the marine wind power flexible direct current transmission converter valve.
SUMMERY OF THE UTILITY MODEL
The utility model provides a gentle straight change of current valve tower can reduce the vibrations that gentle straight change of current valve received at shipping in-process and operation in-process effectively to guarantee gentle straight change of current valve steady operation under various states effectively.
In order to achieve the above object, an embodiment of the present invention provides a gentle straight change valve tower, include: a plurality of metal frameworks, a plurality of post insulators, a plurality of bumper shock absorbers and offshore platform, wherein:
the flexible direct current valve tower is of a multilayer structure;
the plurality of metal frames and the plurality of post insulators are arranged together at intervals in the vertical direction;
the post insulator is arranged on the offshore platform through the shock absorber.
In one embodiment, the flexible direct current valve tower further comprises: and the cable-stayed insulator is arranged between the layers of the flexible direct current converter valve tower.
In one embodiment, the shock absorber is further disposed between each layer of the flexible direct current valve tower.
In one embodiment, each layer of the flexible-straight converter valve tower is provided with a flexible-straight converter valve.
In one embodiment, the shock absorber is an elastic cement damper or a rubber vibration isolation support.
In one embodiment, the shock absorber is connected with the post insulator through bolts or welding.
In one embodiment, the shock absorber is connected with the offshore platform through bolts or welding.
In one embodiment, the metal frame is made of nickel-chromium-molybdenum alloy stainless steel.
In one embodiment, the post insulator is made of silica gel or ceramic.
In one embodiment, the cable-stayed insulator is made of silica gel or ceramic.
The utility model has simple structure, reliability and durability, and convenient installation, disassembly and replacement; the shock absorber is arranged between the offshore platform and the metal frame, so that the vibration and the inclination of the flexible straight converter valve caused by environmental factors such as sea waves, wind and the like in the shipping process and normal operation are greatly reduced, and the stable operation of the flexible straight converter valve in various states is effectively ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a flexible direct current conversion valve tower according to an embodiment of the present invention.
Reference numerals:
1. a metal frame;
2. a post insulator;
3. a shock absorber;
4. and (4) obliquely pulling the insulator.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clearly understood, the embodiments of the present invention are further described below with reference to the accompanying drawings. The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention.
Because gentle straight converter valve tower of this application is applied to in the offshore platform, based on this, the embodiment of the utility model provides a gentle straight converter valve tower.
Referring to fig. 1, a flexible direct current valve tower comprises: a plurality of metal crates 1, a plurality of post insulators 2, a plurality of bumper shock absorbers 3 and offshore platform, wherein:
the flexible direct current valve tower is of a multilayer structure;
the plurality of metal frames 1 and the plurality of post insulators 2 are arranged together at intervals in the vertical direction;
the post insulator 2 is arranged on the offshore platform through the shock absorber 3.
It will be appreciated that the post insulators and the metal frame are serially connected at spaced intervals from bottom to top, and the seismic dampers are disposed between the bottom post insulator and the offshore platform.
In one embodiment, the flexible direct current valve tower further comprises: and the cable-stayed insulator 4 is arranged between the layers of the flexible direct current converter valve tower.
The diagonal insulators 4 are cross-connected between both ends of the post insulator 2 and the metal frame 1.
In one embodiment, the shock absorber is further disposed between each layer of the flexible direct current valve tower.
In one embodiment, each layer of the flexible-straight converter valve tower is provided with a flexible-straight converter valve.
It will be appreciated that the flexible straight converter valve may be secured to the layers of the flexible straight converter valve tower by screws.
In one embodiment, the shock absorber is an elastic cement damper or a rubber vibration isolation support.
It can be appreciated that the shock absorber can effectively reduce the shock to which the flexible straight converter valve is subjected during shipping and during operation.
In one embodiment, the shock absorber is connected with the post insulator through bolts or welding.
In one embodiment, the shock absorber is connected with the offshore platform through bolts or welding.
In one embodiment, the metal frame is made of nickel-chromium-molybdenum alloy stainless steel.
It is understood that nickel-chromium-molybdenum stainless steel may be better suited for offshore platform environments.
In one embodiment, the post insulator is made of silica gel or ceramic.
In one embodiment, the cable-stayed insulator is made of silica gel or ceramic.
The utility model has simple structure, reliability and durability, and convenient installation, disassembly and replacement; the shock absorber is arranged between the offshore platform and the metal frame, so that the vibration and the inclination of the flexible straight converter valve caused by environmental factors such as sea waves, wind and the like in the shipping process and normal operation are greatly reduced, and the stable operation of the flexible straight converter valve in various states is effectively ensured.
In the description of the present specification, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
Reference to the description of the terms "one embodiment," "a particular embodiment," "some embodiments," "for example," "an example," "a particular example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. The sequence of steps involved in the embodiments is for illustrative purposes, and the sequence of steps is not limited and may be adjusted as desired.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A flexible direct current valve tower, comprising: a plurality of metal crates (1), a plurality of post insulators (2), a plurality of bumper shock absorber (3) and offshore platform, wherein:
the flexible direct current valve tower is of a multilayer structure;
the plurality of metal frames (1) and the plurality of post insulators (2) are arranged together at intervals in the vertical direction;
the post insulator (2) is arranged on the offshore platform through the shock absorber (3).
2. The flexible direct current valve tower of claim 1, further comprising: and the cable-stayed insulator (4) is arranged between the layers of the flexible direct current converter valve tower.
3. The flexible direct current valve tower according to claim 1, wherein said shock absorbers (3) are provided between the layers of the flexible direct current valve tower.
4. The flexible direct current valve tower of claim 1, wherein flexible direct current valves are disposed on each layer of the flexible direct current valve tower.
5. The flexible straight valve tower according to claim 1, wherein the shock absorber (3) is an elastic cement damper or a rubber vibration isolation bearing.
6. The flexible direct current valve tower according to claim 1, wherein the damper (3) is connected to the post insulator (2) by means of bolts or welding.
7. The flexible direct current valve tower according to claim 1, wherein the shock absorber (3) is bolted or welded to the offshore platform.
8. The flexible direct current valve tower according to claim 1, wherein the metal frame (1) is made of nickel-chromium-molybdenum alloy stainless steel.
9. The flexible direct current valve tower according to claim 1, wherein the post insulator (2) is made of silica gel or ceramic.
10. The flexible direct current valve tower according to claim 2, wherein the cable-stayed insulators (4) are made of silica gel or ceramic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921169455.0U CN210201726U (en) | 2019-07-23 | 2019-07-23 | Flexible direct-current conversion valve tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921169455.0U CN210201726U (en) | 2019-07-23 | 2019-07-23 | Flexible direct-current conversion valve tower |
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| Publication Number | Publication Date |
|---|---|
| CN210201726U true CN210201726U (en) | 2020-03-27 |
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| CN201921169455.0U Active CN210201726U (en) | 2019-07-23 | 2019-07-23 | Flexible direct-current conversion valve tower |
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| CN (1) | CN210201726U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111439344A (en) * | 2020-04-21 | 2020-07-24 | 西安西电电力系统有限公司 | Converter valve fixing method based on marine transportation and converter valve transportation system |
| CN112038014A (en) * | 2020-08-06 | 2020-12-04 | 大连理工大学 | Marine supporting type converter valve inter-split insulator with shock absorption function |
| CN112031192A (en) * | 2020-08-06 | 2020-12-04 | 大连理工大学 | Land supports formula converter valve tower damping device |
| CN112054654A (en) * | 2020-08-18 | 2020-12-08 | 许继电气股份有限公司 | Water leakage prevention device for marine flexible straight converter valve tower |
-
2019
- 2019-07-23 CN CN201921169455.0U patent/CN210201726U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111439344A (en) * | 2020-04-21 | 2020-07-24 | 西安西电电力系统有限公司 | Converter valve fixing method based on marine transportation and converter valve transportation system |
| CN112038014A (en) * | 2020-08-06 | 2020-12-04 | 大连理工大学 | Marine supporting type converter valve inter-split insulator with shock absorption function |
| CN112031192A (en) * | 2020-08-06 | 2020-12-04 | 大连理工大学 | Land supports formula converter valve tower damping device |
| CN112038014B (en) * | 2020-08-06 | 2021-06-04 | 大连理工大学 | Marine supporting type converter valve inter-split insulator with shock absorption function |
| CN112054654A (en) * | 2020-08-18 | 2020-12-08 | 许继电气股份有限公司 | Water leakage prevention device for marine flexible straight converter valve tower |
| CN112054654B (en) * | 2020-08-18 | 2022-02-18 | 许继电气股份有限公司 | Water leakage prevention device for marine flexible straight converter valve tower |
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